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Bakerite

Year of discovery: 1903 (Corkscrew Canyon mine, USA), 1994 (Japan)

Locality list: A locality of bakerite

• Ca₄B₅Si₃O₁₅(OH)₅
• [Ca²⁺₄][B³⁺₄][(OH)₄|HBO₄|(SiO₄)₃]^20-

• Class: Datolite group
• Class: Nesosilicate - Borate - Hydroxide

• Color: Colorless, White
• Streak: White
• Luster: Vitreous
• Diaphaneity: Translucent

• Hardness: 4.5
• Density: 2.9

• System: Monoclinic
• Group: 2/m, P2₁/c
• Lattice: a=4.9, b=7.6, c=9.7, β=90.3