Formula: PbMn(VO4)(OH)
Origin of name: from Greek for fire and needle
Crystal system: orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: red
Diaphaneity: transparent
Luster: adamantine
Habit: crystals acicular
Hardness: 3.5
Specific gravity: 5.38
Cleavage: none
Tenacity:
Streak: orangish, reddish
Synonyms/varieties:
Comments:
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