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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.
A dearest ring in which the T is represented by tourmaline instead of topaz. An acrostic ring is a ring on which the initials of the gemstones on the band spell out a word in an acrostic style. In some cases, paste gems were used instead of precious stones. [1] [2]
Uvarovite is a chromium-bearing garnet group species with the formula: Ca 3 Cr 2 (Si O 4) 3. It was discovered in 1832 by Germain Henri Hess who named it after Count Sergei Uvarov (1765–1855), a Russian statesman and amateur mineral collector. [2] It is classified in the ugrandite group alongside the other calcium-bearing garnets andradite ...
3 languages. العربية ... Pages in category "Garnet gemstones" The following 13 pages are in this category, out of 13 total. This list may not reflect recent ...
The first set of commonly used mineral symbols was published in 1983 and covered the common rock-forming minerals using 192 two- or three-lettered symbols. [1] These type of symbols are referred to as Kretz symbols. More extensive lists were subsequently made available in the form of publications [2] [3] or posted on journal webpages. [4]
This is a list of gemstones, organized by species and types. Minerals ... Garnet group: Pyralspite. Almandine; Pyrope; ... 1.3 G–L. 1.4 M–Q. 1.5 R–Z.