Formula: (Mn,Fe)2(PO4)(OH)
Origin of name: from triplite, which it resembles
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: pinkish, yellowish to yellowish brown, reddish brown, greenish
Diaphaneity: transparent to translucent
Luster: vitreous to greasy
Habit: crystals prismatic, striated parallel to elongation, columnar to parallel-fibrous aggregates or divergent fibrous, granular
Hardness: 4.5 to 5
Specific gravity: 3.69
Cleavage: 2; {010} good, {120} fair
Tenacity:
Streak: whitish
Synonyms/varieties:
Comments: series with wolfeite
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