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WebRepresenting more than 85 years of research and the combined expertise of GIA’s laboratory, education and research divisions, these instruments will help you buy, grade and appraise gemstones and jewelry with unrivaled accuracy and confidence. Creating Trust through Transparency Legacy of Excellence WebGet started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist! paradigm 5th wheels
GIA iD100 Gem Testing Device - Gemological Institute of America
WebThe GIA iD100 ® gem testing device combines advanced spectroscopic technology and more than 60 years of GIA diamond and gemstone identification research to deliver a sophisticated and easy-to-operate desktop instrument to screen your stones. WebMar 5, 2024 · Since there is a great variety of precious stones out there, and a lot of them overlap in terms of colors they can display, sizes and formations they are usually found in, as well as a whole range of other factors, raw gemstones identification often comes down to the method of elimination. WebNov 17, 2024 · Smithsonite, also known as zinc spar, is an ore of zinc, like sphalerite. Beside white, yellow and blue, smithsonite also occurs as green stones. The green gems are translucent to opaque. The green gemstones were named after the mineralogist James Smithson, who first identified the mineral in 1802. A green crystal of andalusite paradigm 1408 n westshore blvd