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A polished almandine stone . Carbuncle (/ ˈ k ɑːr b ʌ ŋ k əl /) is another name for a deep red almandine gemstone that has been cut with a smooth, convex face in a method called cabochon. [1] Traditionally, the term referred to any red gemstone, most often a red garnet. [2] Carbuncles and their chimeras have spanned three millennia.
Most of the garnet at the Tuticorin beach in south India is 80 mesh, and ranges from 56 mesh to 100 mesh size. [citation needed] River garnet is particularly abundant in Australia. The river sand garnet occurs as a placer deposit. [70] Rock garnet is perhaps the garnet type used for the longest period of time. This type of garnet is produced in ...
Garnet gemstones (13 P) Pages in category "Garnet group" The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes. *
Mineralogically and chemically, rhodolite garnets are members of the pyrope–almandine solid-solution series, with an approximate bulk garnet composition of Py 70 Al 30. [ 1 ] Rhodolites from different occurrences around the world have been characterized by crystal chemical and absorption spectral analysis showing that besides iron such ...
[6] Rare in gem-quality over several carats (1 carat = 200 mg), tsavorite has been found in larger sizes. In late 2006, a 925-carat (185.0 g) crystal was discovered. It yielded an oval mixed-cut 325 carat (65 g) stone, one of the largest, if not the largest, faceted tsavorites in the world.
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