Formula: MgFe4(SO4)6(OH)2 . 20H2O
Origin of name: From Magnesium and copiapite
Crystal system: Triclinic
Crystal class: -1
Twinning:
Unit cell:
Colour: Yellow, yellowish green
Diaphaneity: Transparent to translucent
Luster: Pearly
Habit: Crystals tabular; loose scaly aggregates; granular; crusts
Hardness: 2.5 to 3
Specific gravity: 2.08 to 2.17
Cleavage: 2; {010} perfect, {-101} imperfect
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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