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Olshanskyite

Year of discovery: 1968 (Titovskoe B deposit, Russia), 1994 (Japan)

Locality list: A locality of olshanskyite

• Ca₃B₄(OH)₁₈
• [Ca²⁺₃][(OH)₂|(H₄BO₄)₄]^6-

• Class: Neso-Borate - Hydroxide

• Color: Colorless, White, Pale brown
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent

• Hardness: 4
• Density: 2.2

• System: Triclinic
• Group: (-1), P(-1)
• Lattice: a=8.0, b=9.9, c=7.4, α=111.0, β=94.7, γ=107.5