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Uvarovite [abbr. Uv ]

Year of discovery: 1832 (Saranovskii mine, Russia), 1915 (Japan)

Locality list: 62 localities of uvarovite

• Ca₃Cr₂(SiO₄)₃
• [Ca²⁺₃][Cr³⁺₂][(SiO₄)₃]^12-

• Class: Ugrandite subgroup < Garnet group < Garnet supergroup
• Class: Nesosilicate
• Insoluble in: HCl
• Fluorescence: UV excitation (Red)

• Ca => Mg: Knorringite

• Cr => Al: Grossular (Series)
• Cr => V: Goldmanite
• Cr => Fe: Andradite
• Cr => (Ti,Fe): Morimotoite
• Cr => Zr: Kimzeyite

• Color: Green
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Habit: Tetracosahedron, Dodecahedron

• Cleavage: No
• Hardness: 6.5-7
• Density: 3.8

• System: Cubic
• Group: /m3m, Ia3d
• Lattice: a=12.0

Etymology: Count Sergey Semeonovich Uvarov (1786-1855), Russian minister of education