Formula: Zn6Al6(SO4)2(OH)26 .5H2O
Origin of name: from zinc and aluminium
Crystal system: Hexagonal
Crystal class: Unknown
Twinning:
Unit cell:
Colour: White, bluish white, pale blue
Diaphaneity: Translucent
Luster:
Habit: Crystals thin hexagonal plates, minute; tufted aggregates; crusts, microscopic crystals
Hardness: 2.5 to 3
Specific gravity: 2.26
Cleavage: None
Tenacity:
Streak: White
Synonyms/varieties:
Comments:
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