http://webmineral.com/data/Beryl.shtml WebSee all condition definitions opens in a new window or tab. Seller Notes. “Emerald is a green gemstone and a variety of Beryl. It has a hexagonal crystal system and a vitreous luster. Emerald is considered to be a precious gem and takes its green color from traces of chromium and vanadium. Emerald is 7.5-8 on the Mohs hardness scale.
Emerald Gemstone Emerald Stone – GIA
WebA brilliant green to grass-green transparent variety of beryl, used as a gemstone. Onyx noun A chalcedony that occurs in bands of different colors and is used as a gemstone, especially in cameos and intaglios. Emerald noun A strong yellowish green. Onyx noun (mineral) A banded variety of chalcedony, a cryptocrystalline form of quartz. WebOrientation of gem This gem variety of beryl is often treated with heat to reduce Fe (iron) and therefore create a more desirable color aquamarine Which gem (s) would you expect to form in an extrusive igneous rock. Check all that apply Peridot Agate Emerald Topaz **** Peridot agate topaz east berne ny car accident
Emerald Definition & Meaning Dictionary.com
Webnoun A transparent blue-green variety of beryl, used as a gemstone. American Heritage A transparent, pale bluish-green variety of beryl, used in jewelry. Webster's New World A pale blue to light greenish blue. American Heritage Its color. Webster's New World The bluish-green colour of the sea. Wiktionary More Noun Definitions (1) Synonyms: aqua WebAug 4, 2006 · The greenish-yellow colored variety is referred to as heliodor or golden beryl. Golden beryl is the most common gem-quality variety of beryl. Colors range from vivid lemon-lime to pale greenish-yellow to golden in color. Golden beryl, or heliodor, owes its color to iron impurities. Beryl can also display ranging levels of pleochroism. WebEmerald definition, a rare variety of beryl that is colored green by chromium and valued as a gem. See more. cuban ministry of foreign affairs visa