gemologically
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Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… … Wikipedia
Hope Diamond — French Blue redirects here. For the color, see French blue (color). Hope Diamond Hope Diamond in the Smithsonian Museum of Natural History Weight 45.52[1][2] … Wikipedia
Cubic zirconia — A round brilliant cut cubic zirconia Cubic zirconia (or CZ) is the cubic crystalline form of zirconium dioxide (ZrO2). The synthesized material is hard, optically flawless and usually colorless, but may be made in a variety of different colors.… … Wikipedia
Ammolite — Infobox mineral name = Ammolite category = fossilized, mineralized Ammonite shell boxwidth = boxbgcolor = imagesize = caption = Unprocessed sample of ammolite, a dragon skin pattern is apparent formula = CaCO3 aragonite polymorph, with minor… … Wikipedia
simulant — noun Something that simulates something else such as, for example, a gemstone. Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976 … Wiktionary
