{"product_id":"gemological-polariscope-gemstone-identification-tool","title":"Gemological Polariscope – Gemstone Identification Tool","description":"\u003cp\u003eThis professional gemological polariscope uses polarized light to help identify and examine the optical properties of gemstones. An essential instrument for gemologists, jewellers, gemstone dealers and gemmology students, it can help determine whether a gemstone is isotropic, anisotropic, anomalously double refractive (ADR), or an anisotropic aggregate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe instrument features two polarizing filters, one positioned above and one below the gemstone. When their vibration directions are positioned at right angles to each other, the viewing area becomes dark. This is known as the crossed position and provides the controlled viewing environment required for polariscope examination.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompact and straightforward to operate, this polariscope is a valuable addition to any professional gemstone identification and testing setup.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional gemological polariscope\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUses polarized light for gemstone identification\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTwo polarizing filters: polarizer and analyzer\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAllows observation in the crossed position\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHelps determine gemstone optical behaviour\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUseful for examining single and double refractive behaviour\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for loose gemstone examination\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSimple visual testing method\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIdeal for professional laboratories and gemmology education\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen used correctly, the polariscope can help determine whether a gemstone is:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIsotropic\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnisotropic\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnomalously double refractive (ADR)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnisotropic aggregate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese observations provide valuable information when narrowing down the identity and optical character of an unknown gemstone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow It Works\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA polariscope contains two polarized filters with their own vibration directions. When the vibration direction of the polarizer is positioned at right angles to that of the analyzer, the field between them appears dark.\u003c\/p\u003e\n\u003cp\u003eThe gemstone is placed between these filters and observed while being appropriately positioned or rotated. Changes in the appearance of the stone can provide information about its optical behaviour and assist with identification.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Type: Gemological Polariscope\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eApplication: Gemstone identification and optical examination\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptical System: Dual polarizing filters\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFilters: Polarizer and analyzer\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTesting Position: Crossed position\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFilter Material: Polarizing plastic sheet\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFilter Composition: Polyvinyl alcohol containing dichroic molecules \/ stretched polymers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTesting Method: Polarized light examination\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable For: Professional and educational gemmology\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGemologists • Jewellers • Gemstone Dealers • Gemmology Students • Appraisers • Gemological Laboratories • Jewellery Workshops • Gemstone Buyers\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Note\u003cbr\u003e\u003c\/strong\u003eA polariscope is a gemological identification aid. Results should be correctly interpreted and, where necessary, combined with other gemological instruments and testing methods when identifying an unknown gemstone.\u003c\/p\u003e","brand":"I.DAVID Store","offers":[{"title":"Regular Light","offer_id":45284274503982,"sku":"GMI-7043","price":289.25,"currency_code":"EUR","in_stock":true},{"title":"Led Light","offer_id":45284274536750,"sku":"GMI-7043-LED","price":326.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/9309\/0350\/files\/POLARISCOPE-01.jpg?v=1788782739","url":"https:\/\/idavid.be\/products\/gemological-polariscope-gemstone-identification-tool","provider":"I.DAVID","version":"1.0","type":"link"}