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The garnet family is one of the most complex in the gem world. It is not a single species, but is composed of multiple species and varieties. [54] It is the state mineral of Connecticut, [55] New York's gemstone, [56] and star garnet (garnet with rutile asterisms) is the state gemstone of Idaho. [57]
Andradite is a mineral species of the garnet group. It is a nesosilicate, with formula Ca 3 Fe 2 Si 3 O 12. Andradite includes three varieties: Colophonite: a historical variety found in the Scandinavian islands, brownish or reddish in color, often opaque or translucent. [6]: 61. Demantoid: Vivid green in color, one of the most valuable and ...
Demantoid is the green gemstone variety of the mineral andradite, a member of the garnet group of minerals. Andradite is a calcium - and iron -rich garnet. The chemical formula is Ca 3 Fe 2 (SiO 4) 3 with chromium substitution as the cause of the demantoid green color. Ferric iron is the cause of the yellow in the stone.
Nd:YAG (neodymium-doped yttrium aluminum garnet; Nd:Y 3 Al 5 O 12) is a crystal that is used as a lasing medium for solid-state lasers. The dopant , neodymium in the +3 oxidation state, Nd(III), typically replaces a small fraction (1%) of the yttrium ions in the host crystal structure of the yttrium aluminum garnet (YAG), since the two ions are ...
Garnet is a character from the animated series Steven Universe, created by Rebecca Sugar. Based on the real world mineral garnet, Garnet is a Gem, a fictional alien being that exists as a magical gemstone projecting a holographic body. Garnet is a fusion — i.e., two Gems combining personalities and appearances as one shared holographic body ...
Carbuncle (/ ˈkɑːrbʌŋkəl /) 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. Intermingling red gems until the time of ...
Color charge is a property of quarks and gluons that is related to the particles' strong interactions in the theory of quantum chromodynamics (QCD). Like electric charge, it determines how quarks and gluons interact through the strong force; however, rather than there being only positive and negative charges, there are three "charges", commonly called red, green, and blue.
The mineral pyrope is a member of the garnet group. Pyrope is the only member of the garnet family to always display red colouration in natural samples, and it is from this characteristic that it gets its name: from the Greek words for fire and eye. Despite being less common than most garnets, it is a widely used gemstone with numerous ...
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