Formula: Na2(Ni,Mg)(SO4)2.4H2O
Origin of name: from nickel and blödite
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: light green
Diaphaneity: transparent
Luster:
Habit: tabular crystallites to 150 micron
Hardness: 1.5
Specific gravity: 2.43
Cleavage:
Tenacity:
Streak:
Synonyms/varieties:
Comments: Ni analogue of blödite
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