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Morimotoite

Year of discovery: 1995 (Japan as the first occurence in the World)

Locality list: A locality of morimotoite

• Ca₃TiFeSi₃O₁₂
• Ca₃(Ti⁴⁺,Fe²⁺,Fe³⁺)₂(Si,Fe³⁺)₃O₁₂
• [Ca²⁺₃][Ti⁴⁺][Fe²⁺][(SiO₄)₃]^12-

• Class: Garnet group < Garnet supergroup
• Class: Nesosilicate

• Ti => Fe: Andradite

• TiFe => V₂: Goldmanite
• TiFe => Al₂: Grossular
• TiFe => Cr₂: Uvarovite
• TiFe => Zr: Kimzeyite

• Color: Black
• Streak: Gray
• Luster: Adamantine
• Diaphaneity: Opaque

• Habit: Tetracosahedron, Dodecahedron

• Cleavage: No
• Hardness: 7.5
• Density: 3.8

• System: Cubic
• Group: m3m, Ia3d
• Lattice: a=12.2

Etymology: Nobuo Morimoto (1925-), Japanese mineralogist