[ Top ] [ Japanese ]

Imayoshiite

Year of discovery: 2016 (Japan as the first occurence in the World)

Locality list: A locality of imayoshiite

• Ca₃Al(CO₃)B(OH)₁₀,12H₂O
• [Ca²⁺₃][Al³⁺][(OH)₆|H₄BO₄|CO₃]^9-,12H₂O

• Class: Carbonate - Neso-Borate - Hydroxide - Hydrate

• Color: Colorless, White
• Streak: White
• Luster: Silky
• Diaphaneity: Transparent-Translucent

• Habit: Fibrous

• Cleavage: Distinct on {100} (3 planes)
• Hardness: 2-3

• System: Hexagonal
• Group: 6, P6₃
• Lattice: a=11.0, c=106.

Etymology: Takaharu Imayoshi (1905-1984), Japanese amateur collector of minerals.