Formula: Mn(UO2)2(PO4)2 . 8H2O
Origin of name: For F. Lehner, German mineral collector
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Bronze-yellow to yellow
Diaphaneity:
Luster: Vitreous to pearly iridescent
Habit: Thin platy pseudotetragonal crystals to 1 mm
Hardness: 2 to 3
Specific gravity:
Cleavage: 4; {010} perfect, {101}, {-101} and {100} less perfect
Tenacity:
Streak: Whitish yellow
Synonyms/varieties:
Comments: Mn analogue of bassetite
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