Formula: (Zn,Cu)2(CO3)(OH)2
Origin of name: From Zinc and Rosasite
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Pale green to whitish
Diaphaneity: Transparent to translucent
Luster: Subadamantine
Habit: Radial fibrous in botryoidal or mammillary crusts
Hardness: ~4.5
Specific gravity: 4-4.2
Cleavage: 2: At right angles, good
Tenacity: Brittle
Streak: White
Synonyms/varieties:
Comments: Zn analogue of rosasite
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