Demantoid

（重定向自Uralian Emerald）

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 Ca₃Fe₂(SiO₄)₃ with chromium substitution as the cause of the demantoid green color. Ferric iron is the cause of the yellow in the stone.

单词	Uralian Emerald
释义	Uralian Emerald 英语百科 Demantoid （重定向自Uralian Emerald） 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 Ca₃Fe₂(SiO₄)₃ with chromium substitution as the cause of the demantoid green color. Ferric iron is the cause of the yellow in the stone.
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