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Maucherite

Year of discovery: 1913 (Eisleben Germany), 1978 (Japan)

Locality list: 7 localities of maucherite

• Ni₁₁As₈
• [Ni²⁺₁₁][As₈]

• Class: Arsenide

• Color: Reddish silver
• Tarnish: Dark reddish gray
• Streak: Dark gray
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Tabular on {001}, pyramidal
• Striation: Intersection with {001}

• Cleavage: No
• Hardness: 5
• Density: 7.8

• System: Tetragonal
• Group: 422, P4₁2₁2
• Lattice: a=6.9, c=21.8

Etymology: William Maucher (1879-1930), German mineral dealer