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Haradaite

Year of discovery: 1963 (Japan as the first occurence in the World)

Locality list: 5 localities of haradaite

• SrVSi₂O₇
• [Sr²⁺][V⁵⁺][O|(SiO₃)₂]

• Class: Haradaite group
• Class: Inosilicate (Single chain) - Oxide

• Sr => Ba: Suzukiite

• Color: Bright green
• Streak: Pale green
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Cleavage: Perfect on {010} (1 plane), Distinct on {100} and {001} (2 planes)
• Hardness: 4.5
• Density: 3.8

• Habit: Orthorhombic
• Group: mm2, Ama2
• Lattice: a=7.0, b=14.6, c=5.3