Formula: MoO2
Origin of name: for Ivan Tugarinov, Russian geochemist
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: dark lilac-brown
Diaphaneity:
Luster: greasy to metallic
Habit: crystals prismatic or thick tabular, 0.5 to 1.5 mm
Hardness: 4.6
Specific gravity: 6.58
Cleavage: none
Tenacity:
Streak: greenish gray
Synonyms/varieties:
Comments:
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