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Hydrozincite (Photo)

Year of discovery: 1853 (Bad Bleiberg, Austria), 1885 (Japan)

Locality list: 27 localities of hydrozincite

• Zn₅(CO₃)₂(OH)₆
• [Zn²⁺₅][(OH)₆|(CO₃)₂]^10-

• Class: Carbonate - Hydroxide
• Soluble in: HCl (with bubbles), HNO₃, H₂SO₄
• Fluorescence: UV excitation (Blue white-Pale yellow)
• Substitution pseudomorph: Replace Dolomite.

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

• Habit: Earthy

• Cleavage: Perfect on {100} (1 plane)
• Hardness: 2-2.5
• Density: 4.0

• System: Monoclinic
• Group: 2/m, C2/m
• Lattice: a=13.6, b=6.3, c=5.4, β=95.5

Etymology: Hydro (water in Greek) - zincite