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Arsenogoldfieldite

Year of discovery: 2022 (North Star mine, USA)

Locality list:

• Cu₁₂Sb₂As₂S₁₃
• Cu₁₂(As,Te,Sb)₄S₁₃
• [Cu⁺₆][Cu⁺₄][[]][As³⁺₂][Te³⁺₂][S₁₂|S]

• Class: Goldfieldite series < Tetrahedrite group < Cu sulfosalts < Sulfosalt class
• Class: Sulfosalt

• Sb₂Te₂ => Te₄: Goldfieldite
• As₂Te₂ => Ab₂Te₂: Stibiogoldfieldite

• Color:
• Streak:
• Luster: Metallic
• Diaphaneity: Opaque

• Cleavage: No
• Hardness:
• Density:

• System: Cubic
• Group: (-4)3m, I(-4)3m
• Lattice: a=10.3