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Ohmilite

Year of discovery: 1973 (Japan as the first occurence in the World)

Locality list: A locality of ohmilite

• Sr₃TiSi₄O₁₃,2-3H₂O
• Sr₃(Ti,Fe)Si₄O₁₂(O,OH),2-3H₂O
• [Sr²⁺₃][Ti⁴⁺][O|(SiO₃)₄]^10-,2-3H₂O

• Class: Inosilicate (Single chain) - Oxide - Hydrate

• Color: Pale pink, Bronw
• Streak: White
• Luster: Vitreous
• Diaphaneity: Translucent

• Habit: Fibrous
• Aggregate: Radial

• Cleavage: Perfect on {100} (1 plane)
• Hardness: 3.5
• Density: 3.4

• System: Monoclinic
• Group: 2/m, P2₁/m
• Lattice: a=11.0, b=7.8, c=7.8, β=100.9

Etymology: Ohmi city of Niigata prefecture, Japan, address of Kanayama valley where this mineral was discovered for the first time.