Formula: (Fe,Mg)2Si2O6
Origin of name: From monoclinic and ferrosilite
Crystal class: 2/m
Colour: Colourless with amber tint
Diaphaneity: Transparent
Habit: Crystals needle-like, minute
Hardness: 5 to 6
Specific gravity: 4.068
Cleavage: 1; {110} distinct
Synonyms/varieties:
Comments: Series with clinoenstatite; dimorphous with orthoferrosilite
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