Formula: LiMnPO4
Origin of name: From lithium and Greek for friend
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell: a = 6.05 Å, b = 10.32 Å, c = 4.71 Å
Colour: Light reddish brown, yellowish brown, salmon
Diaphaneity:
Luster: Resinous to vitreous
Habit: Crystals anhedral to subhedral, large, with rough faces; massive, cleavable
Hardness: 4 to 5
Specific gravity: 3.34
Cleavage: 3; {100} nearly perfect, {010} imperfect, {011} interrupted
Tenacity: Subconchoidal to uneven
Streak: Colourless to dirty white
Synonyms/varieties:
Comments: Series with triphylite
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