Formula: (Mg,Fe)3(PO4)2(OH,O) . 1.5H2O
Origin of name: For H. Gary Ansell, Canadian mineral curator
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Brown
Diaphaneity:
Luster: Vitreous
Habit: Crystals elongated; flattened plates
Hardness: 4
Specific gravity: 3.16
Cleavage: 1; {001} good
Tenacity:
Streak:
Synonyms/varieties:
Comments: Series with kryzhanovskite
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