Formula: NaCaMn(Fe,Fe,Mg)2(PO4)3
Origin of name: After locality; Hagendorf-south pegmatite, Bavaria, Germany
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Greenish black
Diaphaneity:
Luster:
Habit: Massive
Hardness: 3.5
Specific gravity: 3.71
Cleavage: 3; One good, one less good, one poor
Tenacity:
Streak:
Synonyms/varieties:
Comments: Series with varulite
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