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Dugganite

Year of discovery: 1978 (Emerald mine, USA), 2004 (Japan)

Locality list: A locality of dugganite

• Pb₃Zn₃(AsO₄)₂(TeO₆)
• Pb₃Zn₃(As,V,Si)₂Te(O,OH)₁₄
• [Pb²⁺₃][Zn²⁺₃][(AsO₄)₂|TeO₆]^12-

• Class: Orthotellurate - Arsenate

• AsO₄ => VO₄: Cheremnykhite
• AsO₄ => PO₄: Kuksite

• Te⁶⁺O => Sb⁵⁺(OH): Joëlbruggerite, Joelbruggerite

• Color: White, Green
• Streak: White
• Luster: Adamantine
• Diaphaneity: Transparent

• Cleavage: Indistinct on {1120} (3 planes)
• Hardness: 3
• Density: 6.3

• System: Trigonal
• Group: 32, P32₁
• Lattice: a=8.5, c=5.2