Formula: PbSb2O6
Origin of name: after locality Rosia, Tuscany, Italy
Crystal system: hexagonal
Crystal class: -3 2/m
Twinning:
Unit cell:
Colour: colourless to pale yellow
Diaphaneity: transparent
Luster: resinous
Habit: as thin, tabular, hexagonal crystals to 0.3 mm forming aggregates to 2 mm across
Hardness:
Specific gravity: 6.96
Cleavage: 1; {0001} parting possible
Tenacity:
Streak: white
Synonyms/varieties:
Comments:
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