Formula: BaAl2(PO4)2(OH)2
Origin of name: For John Gower, Canadian mineralogist
Crystal system: Triclinic
Crystal class: -1
Twinning:
Unit cell:
Colour: Light green
Diaphaneity:
Luster: Vitreous
Habit: Crystalline masses
Hardness: 4.5
Specific gravity: 4.01
Cleavage: 3; {100} and {0-11} good, {0-21} fair
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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