Formula: (Cu,Zn)7(SO4,CO3)2(OH)10.3H2O
Origin of name: after locality Oberschulenberg, Harz Mountains, Germany
Crystal system: hexagonal
Crystal class: 3 or -3
Twinning:
Unit cell:
Colour: light greenish blue
Diaphaneity:
Luster: pearly
Habit: crystals thin tabular, average 150 micron across
Hardness: 2
Specific gravity: 3.28
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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