Formula: Ca5(PO4,CO3)3(OH)
Origin of name: From carbonate, hydroxide, and the apatite series
Crystal system: Hexagonal
Crystal class: 6/m
Twinning:
Unit cell:
Colour: Colourless to white
Diaphaneity:
Luster:
Habit: Crystals short to long prismatic, acicular; granular, massive, globular, reniform, stalactitic, fibrous, earthy
Hardness: 5
Specific gravity: 3.05
Cleavage: 2; {0001} indistinct, {10-10} trace
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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