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Plumbonacrite

Year of discovery: 1889 (Torr Works quarry (Merehead quarry), UK, and Wanlockhead, UK), 1997 (Japan)

Locality list: 2 localities of plumbonacrite

• Pb₅O(OH)₂(CO₃)₃
• [Pb²⁺₅][(OH)₂|O|(CO₃)₃]^10-

• Class: Carbonate - Oxide - Hydroxide

• Color: White
• Luster: Adamantine
• Diaphaneity: Transparent-Translucent

• Hardness: 3.5
• Density: 7.1

• System: Trigonal
• Group: (-3)m, P(-3)c1
• Lattice: a=9.1, c=24.9