Formula: (Na,Ca,K)2(Mg,Fe,Mn)2(PO4)2
Origin of name: for F. Paneth, German scientist
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: pale amber
Diaphaneity: transparent
Luster:
Habit: minute grains, massive
Hardness:
Specific gravity: 2.9 to 3.0
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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