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Parasibirskite

Year of discovery: 1996 (Japan as the first occurence in the World)

Locality list: A locality of parasibirskite

• CaHBO₃
• Ca₂B₂O₄(OH)₂
• [Ca²⁺₂][OH|HB₂O₅]^4-

• Class: Borate - Hydroxide

• Polymorph: Sibirskite (Monoclinic)

• Ca => Mn: Sussexite
• Ca => Mg: Szaibélyite (Szaibelyite)

• Color: White
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent

• Habit: Tabular
• Aggregate: Columnar

• Cleavage: Perfect on {100} (1 plane)
• Hardness: 3
• Density: 2.5

• System: Monoclinic
• Group: 2/m, P2₁/m
• Lattice: a=6.7, b=5.4, c=3.6, β=93.0