Formula: Cu3MoO4SO4O
Origin of name: Named after Lidiya Pavlovna Vergasova (b. 1941), of the Institute of Volcanology, Russian Academy of Sciences, Petropavlovsk, Russia
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell: a = 7.42, b = 6.741, c = 13.548
Colour: Olive green
Diaphaneity: Transparent
Luster: Vitreous
Habit: Radial, aggregates
Hardness: 4-5
Specific gravity:
Cleavage: None
Tenacity: Brittle
Streak: Light yellow
Synonyms/varieties:
Comments:
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