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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.
Garnets (/ ˈ ɡ ɑːr n ɪ t /) are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. All species of garnet possess similar physical properties and crystal forms but differ in chemical composition .
Tsavorite or tsavolite is a variety of the garnet group species grossular, a calcium-aluminium garnet with the formula Ca 3 Al 2 Si 3 O 12. [2] Trace amounts of vanadium or chromium provide the green color.
Almandine (/ ˈ æ l m ən d ɪ n /), also known as almandite, is a species of mineral belonging to the garnet group. The name is a corruption of alabandicus, which is the name applied by Pliny the Elder to a stone found or worked at Alabanda, a town in Caria in Asia Minor. Almandine is an iron alumina garnet, of deep red color, inclining to ...
Pages in category "Garnet gemstones" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. * Garnet; A. Almandine;
This is a list of gemstones, organized by species and types. Minerals ... Grandite (Mali garnet) Pyrope-almandine-spessartine Malaia garnet; Pyrope-spessartine