Formula: Mg3(PO4)2
Origin of name: For O. Farrington, American museum curator
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: White to yellow
Diaphaneity:
Luster:
Habit: Massive
Hardness:
Specific gravity: 2.74
Cleavage: 2; {100} and {010} fair to good
Tenacity:
Streak:
Synonyms/varieties:
Comments: From a meteorite
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