{"title":"Gem Stone Testing","description":"","products":[{"product_id":"premium-class-carat-scale-platinum-pct101-100ct-x-0-005ct","title":"GemOro Premium Class Carat Scale Platinum 100CT X 0.005CT","description":"\u003cp\u003eThis new generation, superior carat scales with unique features, style, precision, durability and more! These extra precision carat scale offer accuracy of 0.005ct, with a capacity of 100ct and 250ct! Each scales functions are controlled by a convenient, easy to use 4-button control panel. Its innovative, low profile flip up draft shield easily expands to accommodate the weighing of large stones or parcels. The rubberized compact carrying case protects the scale while in transit and holds the scale, calibration weight, Swiss-style diamond tweezers, diamond scoop, stainless steel weighing platform and universal voltage 100-240V AC adaptor.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e100ct x 0.005, g, dwt, oz, ozt and gn\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003eParts counting function\u003c\/li\u003e\n\u003cli\u003eLarge stainless steel weighing platform \u0026amp; bright blue backlit display\u003c\/li\u003e\n\u003cli\u003ePush button digital calibration, tare, memory, low battery indicator and battery saving auto-off functions\u003c\/li\u003e\n\u003cli\u003eInnovative low profile tinted draft shield manually expands for weighing large diamonds, gemstones and parcels\u003c\/li\u003e\n\u003cli\u003eDurable ABS construction with EZ-grip rubberized paint finish\u003c\/li\u003e\n\u003cli\u003eIncludes a rubberized protective travel \/ storage case with compartments containing scale, stainless steel calibration weight, stainless steel weighing platform, scoop, AC adaptor and Swiss-style locking diamond tweezers\u003c\/li\u003e\n\u003cli\u003ePowered by (4) long-life included AAA batteries or its supplied universal voltage 100-240V AC adaptor\u003c\/li\u003e\n\u003cli\u003e5 Year limited replacement warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":17287795540025,"sku":"","price":149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/Platinum___PCT10_4f8eefa346588.gif?v=1592919763"},{"product_id":"premium-class-carat-scale-platinum-pct251-250ct-x-0-005ct","title":"GemOro Platinum PCT251 Premium Class Carat Scale 250ct x 0.005ct","description":"\u003cp\u003eThis new generation, superior carat scales with unique features, style, precision, durability and more! These extra precision carat scale offer accuracy of 0.005ct, with a capacity of 100ct and 250ct! Each scales functions are controlled by a convenient, easy to use 4-button control panel. Its innovative, low profile flip up draft shield easily expands to accommodate the weighing of large stones or parcels. The rubberized compact carrying case protects the scale while in transit and holds the scale, calibration weight, Swiss-style diamond tweezers, diamond scoop, stainless steel weighing platform and universal voltage 100-240V AC adaptor.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e250ct x 0.005, g, dwt, oz, ozt and gn\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003eParts counting function\u003c\/li\u003e\n\u003cli\u003eLarge stainless steel weighing platform \u0026amp; bright blue backlit display\u003c\/li\u003e\n\u003cli\u003ePush button digital calibration, tare, memory, low battery indicator and battery saving auto-off functions\u003c\/li\u003e\n\u003cli\u003eInnovative low profile tinted draft shield manually expands for weighing large diamonds, gemstones and parcels\u003c\/li\u003e\n\u003cli\u003eDurable ABS construction with EZ-grip rubberized paint finish\u003c\/li\u003e\n\u003cli\u003eIncludes a rubberized protective travel \/ storage case with compartments containing scale, stainless steel calibration weight, stainless steel weighing platform, scoop, AC adaptor and Swiss-style locking diamond tweezers\u003c\/li\u003e\n\u003cli\u003ePowered by (4) long-life included AAA batteries or its supplied universal voltage 100-240V AC adaptor\u003c\/li\u003e\n\u003cli\u003e5 Year limited replacement warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":17287814479929,"sku":"","price":149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/9883-PCT251-slate-wacc-web.jpg?v=1592919762"},{"product_id":"gempen","title":"GemPen - Premium Package","description":"\u003cp\u003e\u003cspan\u003eThe GemPen® provides professional users with the means to efficiently determine whether a diamond, ruby or sapphire is natural, synthetic (man-made) or treated (visually improved to increase the value). The tool is portable, durable and gives instant results. GemPen® is used to validate gemstones.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"vc_custom_heading vc_custom_1530192162847 bb_custom_1530192155726 bbvcedo-fsi\"\u003eGemPen® is a brand-new, portable instrument for validating gemstones.\u003cbr\u003eThey were founded by industry professionals, and by utilising top-tier technology, GemPen® enables professional users to validate the identity of gemstones.\u003c\/div\u003e\n\u003cdiv class=\"vc_custom_heading vc_custom_1530192162847 bb_custom_1530192155726 bbvcedo-fsi\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"vc_custom_heading vc_custom_1530192162847 bb_custom_1530192155726 bbvcedo-fsi\"\u003e\u003cstrong\u003e* Shows an instant fluorescence effect on synthetic diamonds\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"vc_custom_heading vc_custom_1530192162847 bb_custom_1530192155726 bbvcedo-fsi\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vc_custom_heading vc_custom_1530192162847 bb_custom_1530192155726 bbvcedo-fsi\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vc_custom_heading vc_custom_1530192162847 bb_custom_1530192155726 bbvcedo-fsi\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"vc_custom_heading vc_custom_1530192162847 bb_custom_1530192155726 bbvcedo-fsi\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/files\/gem-pen-cinemagraph-final_large.gif?v=1556031042\" alt=\"GemPen\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDistinguish natural from synthetic\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIdentify treatment of gemstones\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGemPen works for diamonds, rubies and sapphires.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHexagonal Pen Grip\u003c\/li\u003e\n\u003cli\u003eInterchangeable Filters\u003c\/li\u003e\n\u003cli\u003eUSB-C Standard For Recharging\u003c\/li\u003e\n\u003cli\u003eDust \u0026amp; Rain Proof\u003c\/li\u003e\n\u003cli\u003eShock resistant, with protective casing\u003c\/li\u003e\n\u003cli\u003eHighly Durable\u003c\/li\u003e\n\u003cli\u003eEasy to use\u003c\/li\u003e\n\u003cli\u003eHard case designed to be used as a darkroom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCapability:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eEnables professional users to validate the identity of gemstones\u003c\/li\u003e\n\u003cli\u003eCan distinguish natural from synthetic gemstones\u003c\/li\u003e\n\u003cli\u003eCan identify the treatment of gemstones\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eGemstones:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiamonds\u003c\/li\u003e\n\u003cli\u003eRubies\u003c\/li\u003e\n\u003cli\u003eSapphires\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eWatch Demo Videos Below: \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/player.vimeo.com\/video\/308467360\" width=\"640\" height=\"640\" frameborder=\"0\" allow=\"autoplay; fullscreen\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/files\/Part_7.1_GemPen_Q_A_-_Updated_2018-11-20.pdf?3068804811294830732\" title=\"View FAQ's About GemPen Here\"\u003e\u003cstrong\u003eView FAQ's About the GemPen Here\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHere's another example below of GemPen used on a small parcel of melee diamonds. Out of the 49 melees, 14 are HPHT synthetics and emits a fluorescence effect. \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe melees are placed in the Travel Case that function as a portable darkroom and are then scanned with GemPen®. Validation in your pocket.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/player.vimeo.com\/video\/306815533\" width=\"640\" height=\"360\" frameborder=\"0\" webkitallowfullscreen=\"\" mozallowfullscreen=\"\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eGemPen® is included in the Assure Program for diamond verification instruments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/files\/ny-DPA-Bild-1024x576_480x480.png?v=1652955388\" alt=\"GemPen Assure Program\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/files\/ny-DPA-Bild-1024x576_480x480.png?v=1652955388\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/files\/Part_7.1_GemPen_Q_A_-_Updated_2018-11-20.pdf?3068804811294830732\" title=\"Frequently Asked Questions about GemPen\"\u003eFrequently Asked Questions About GemPen\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":18433611137081,"sku":"gempem premium","price":2495.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/gempen-premium-package-gemmological-instruments-987.jpg?v=1592920676"},{"product_id":"kern-ora-1gg-gemmology-jewellery-refractometer","title":"Kern ORA 1GG Gemmology\/Jewellery Refractometer","description":"\u003ch2\u003eKern ORA 1GG Gemmology\/Jewellery Refractometer Details\u003c\/h2\u003e\n\u003cp\u003eNeed to measure the refractive index of jewellery? You need Kern's ORA 1GG.\u003c\/p\u003e\n\u003cp\u003eThis specially designed analogue refractometer is made for use in jewellery\/gemmology studies and has a special refractive-index range designed specifically for this application.\u003c\/p\u003e\n\u003cp\u003eSupplied as standard in a leather carrying bag.\u003c\/p\u003e\n\u003ch2\u003eKern ORA 1GG Jewellery Refractometer Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRefractive index measurement range from 1.30 to 1.81nD\u003c\/li\u003e\n\u003cli\u003eSpecially designed for use in the jewellery industry\u003c\/li\u003e\n\u003cli\u003eFlipping lid for insertion of gem sample\u003c\/li\u003e\n\u003cli\u003eHigh-quality eyepiece\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":19825421877305,"sku":"","price":229.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/img-ora-1gg-a.jpg?v=1592920708"},{"product_id":"gem-a-darkfield-loupe","title":"Gem-A Darkfield Loupe","description":"\u003cp\u003eA darkfield loupe allows a gemstone to be observed against a dark background with lateral illumination, allowing for easier study and identification of coloured gemstone inclusions and fracture filling.\u003c\/p\u003e\n\u003cp\u003ePortable, battery-operated dark-field 10× loupe. This is a good instrument to have when observing inclusions in diamonds and coloured gemstones, especially fracture-filled diamonds and rubies. Please note: this loupe can only be used for loose gemstones\u003c\/p\u003e\n\u003cul class=\"normal-list\"\u003e\n\u003cli\u003e\u003cspan\u003eAllows the examination of a gemstone against a dark background\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHighlights flaws and colours more easily\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLateral illumination provided by 3 LED's\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSimply screw the base to activate the light\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact and lightweight\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupplied with storage and transportation box\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo assembly required\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMetal body with mineral glass lenses\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTakes 2 x 2032 batteries (supplied)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGem-A instruments\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul class=\"normal-list\"\u003e\n\u003cli\u003e\u003cspan\u003eØ35 x 110mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLens diameter Ø18mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":31588565123129,"sku":"L53126","price":179.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/lou0017_1.jpg?v=1591184718"},{"product_id":"gem-a-conoscope-rod","title":"Gem-A Conoscope Rod","description":"\u003cp\u003eA simple instrument used to observe interference figures in gemstones such as quartz, the Conoscope Rod is used in conjunction with a polariscope to determine whether the stone is uniaxial or biaxial. \u003c\/p\u003e\n\u003cul class=\"normal-list\"\u003e\n\u003cli\u003e\u003cspan\u003eStrain free spherical glass lens\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e59 x 10 x 10mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGem-A\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":31588582031417,"sku":"","price":29.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/95b78fbc-7192-45c8-90f3-d4162128f588.jpg?v=1591184718"},{"product_id":"chelsea-filter","title":"Chelsea Filter Emerald Loupe","description":"\u003cp\u003e\u003cspan\u003eAlso known as an emerald loupe. The special ultraviolet filter is designed to detect real emeralds from imitations. \u003c\/span\u003e\u003cspan\u003eIt is used primarily to spot fakes mixed in with natural stones in coloured stone parcels and jewellery and to differentiate emeralds, sapphires, aquamarines and natural green jadeite from manufactured stones.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul class=\"normal-list\"\u003e\n\u003cli\u003e\u003cspan\u003eSize Length with lense open 85mm and closed 55mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWidth 30mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThickness 12mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe diameter of the filter 21mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial Plastic white\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight 16grms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes instructions and guide notes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePocket-sized colour filter\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan\u003eSome Familiar Reactions under the Chelsea Filter:\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul class=\"normal-list\"\u003e\n\u003cli\u003e\u003cspan\u003eSynthetic Emerald (Cr) - Red\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlue Glass (Co) - Red\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSynthetic Blue Spinel (Co) - Red\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSynthetic Blue Quartz (Co) - Pink\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNatural Aquamarine (Fe) - Green\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNatural Zircon (Blue) - Green\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyed Green Chalcedony - Red to Orange Red\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDyed Blue Chalcedony - Red to Pink\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNatural Emerald (Cr\/V\/Fe) - Pink to Red \/ Green to Yellow Green\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDermatoid Garnet - Reddish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlue Topaz - Blue Green\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":31588596645945,"sku":"","price":89.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/ChelseaFilter.jpg?v=1591184718"},{"product_id":"gem-a-diffraction-spectroscope","title":"Gem-A Diffraction Spectroscope","description":"\u003cspan\u003eFor pure transparent (non-opaque) stones. Each type of stone has its own spectrum colour diagnostic. Simular to the prism spectroscope but works by diffracting white light to give non-prismatic perspective.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eLight enters through a narrow slit and is then diffracted by a thin film of diffraction grating material. This produces a linear spectrum image with a generally larger view of the red part than a prism spectroscope.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe spectroscope is a small and handy instrument that can be very quick to use.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIt may be used to test transparent gem materials including rough and broken\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003epieces, fashioned pieces, strings of beads, gems set in jewellery, ornaments and carvings.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe spectrum of visible light, from red to violet can be viewed by observing\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003epure white light through a spectroscope.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSome gem materials modify this white light in a way which can aid identification.\u003c\/span\u003e\u003cbr\u003e\n\u003cul class=\"normal-list\"\u003e\n\u003cli\u003e\u003cspan\u003eSize length 55mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe diameter of body 13mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe diameter of lens 5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinish stainless steel body.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTop \u0026amp; bottom black plastic viewers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight 14grms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWith leather case\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":31588629381177,"sku":"","price":129.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/download_2839f14e-4407-4a01-a62c-f270a3a7c780.jpg?v=1591184718"},{"product_id":"gem-a-prism-spectroscope","title":"Gem-A Prism Spectroscope","description":"\u003cp\u003e\u003cspan\u003eUsed to test less pure transparent (opaque) gem materials including rough and broken pieces, fashioned pieces, strings of beads, gems set in jewellery, ornaments and carvings.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eOur prism spectroscope (unlike others available on the market) gives the observer the flexibility to adjust the focus to suit the user's eyesight, whilst extending the blue area of the spectrum for easier observation. This also allows those who wear glasses to more easily use the tool.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePrism spectroscope (based on dispersion) is a tool for examining which parts of white light are absorbed by a gemstone (as well as by other materials).\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe light enters through a narrow slit and is then dispersed through a series of prisms. Because prism spectroscopes are based on dispersion, the blue area of the spectrum is more spread out and the red parts are more condensed than the diffraction grating types.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eMaterials can absorb parts of the electromagnetic spectrum, and when the absorbed parts fall within the visible range that absorbed part will influence the colour of the material.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhen a gemstone is observed with a Prism spectroscope, the absorbed parts show as dark lines and\/or bands in the spectroscope image.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eHow does it work…?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElements within a gemstone will absorb certain levels of energy. Light is energy. Therefore certain elements in a gemstone will absorb certain colours of light based on what energy level they are absorbing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Prism Spectroscope allows us to see which colour of light, or energy is being absorbed; thereby allowing us to know what elements are in a gemstone.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThis, in turn, allows us to know more about the gemstone, for example...identification, where it came from, what causes it to have colour, etc.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhen looking through a spectroscope you will see lines or bands missing from the colours. This is where elements within the stone have absorbed that level of energy or light, letting us know that the element exists within the stone.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul class=\"normal-list\"\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable focus and slit.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBlack shell to avoid reflective light disturbance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSize: 85mm x 20mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe diameter of the lens top -7mm bottom - 10mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 45g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":31588656742457,"sku":"","price":179.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/spe0013_-_2.png?v=1591184718"},{"product_id":"conoscope-rod-gem-a","title":"Gem-A Conoscope Rod","description":"\u003cp\u003eA simple instrument used to observe interference figures in gemstones such as quartz, the Conoscope Rod is used in conjunction with a polariscope to determine whether the stone is uniaxial or biaxial. \u003c\/p\u003e\n\u003cul class=\"normal-list\"\u003e\n\u003cli\u003e\u003cspan\u003eStrain free spherical glass lens\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e59 x 10 x 10mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGem-A\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":31724739067961,"sku":"G56314","price":29.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/Conoscope_105cf31d-75e4-40f9-918f-02d1c0954752.jpg?v=1591185593"},{"product_id":"multispec-uv-lamp-for-long-wave-short-wave-uv-fluorescence-tests","title":"MULTISPEC UV Lamp for Long-Wave \u0026 Short-Wave UV Fluorescence Tests","description":"\u003cdiv class=\"h3 product-detail-description-title\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eProduct information MULTI SPEC UV lamp LW \/ KW and darkrooms \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-detail-description-text\" data-mce-fragment=\"1\" itemprop=\"description\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUV lamp 2 x 4 watt UV fluorescent tubes, arranged in parallel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUV longwave: High-intensity UV lamp of 366nm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUV short wave: High-intensity UV lamp of 254nm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUV filter: UV light exit of 70 x 45 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eEach LW \/ KW lamp can be switched individually\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRed control light when switched on\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLong service life thanks to robust design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFlameproof by painting\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Dynagem","offers":[{"title":"Default Title","offer_id":32904151990329,"sku":"","price":749.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/0219\/8585\/products\/edit1.jpg?v=1602691244"}],"url":"https:\/\/www.dynagem.co.uk\/fr\/collections\/gem-stone-testing.oembed","provider":"Dynagem ","version":"1.0","type":"link"}