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Hydrocerussite

Year of discovery: 1877 (Långban, Sweden), 1971 (Japan)

Locality list: 2 localities of hydrocerussite

• Pb₃(CO₃)₂(OH)₂
• [Pb²⁺₃][(OH)₂|(CO₃)₂]^6-

• Class: Carbonate - Hydroxide
• Soluble in: HCl (with bubbles), HNO₃ (with bubbles), H₂SO₄ (with bubbles)
• Substitution pseudomorph: Replaced by Cerussite.

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

• Cleavage: Perfect on {0001} (1 plane)
• Hardness: 3.5
• Density: 6.8

• System: Trigonal
• Group: 3m, P3₁m
• Lattice: a=5.2, c=23.7