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Iyoite

Year of discovery: 2015 (Japan as the first occurence in the World)

Locality list: A locality of iyoite

• MnCuCl(OH)₃
• [Mn²⁺][Cu²⁺][(OH)₃|Cl]^4-

• Class: Chloride - Hydroxide

• Mn => Cu: Botallackite, Atacamite, Clinoatacamite

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

• Habit: Acicular
• Aggregate: Radial

• System: Monoclinic
• Group: 2/m, P2₁/m
• Lattice: a=5.7, b=6.6, c=5.6, β=88.5

Etymology: Iyo district, Ehime prefecture, Japan, where this mineral was discovered for the first time.