Formula: Zn5(CO3)2(OH)6
Origin of name: From composition
Crystal system: Monclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: White, gray, pale shades of yellow, pink, lavender, brown
Diaphaneity:
Luster: Pearly on crystals
Habit: Crystals flattened, lath-like; massive, compact to earthy, dense; crusts; stalactitic; reniform
Hardness: 2 to 2.5
Specific gravity: 3.5 to 3.8
Cleavage: 1; {100} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments: Sometimes fluoresces; luster of massive material dull to silky to shining
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