Formula: FeSb2O6
Origin of name: after locality Tripuhy, Ouro Preto, Minas Gerais, Brazil
Crystal system: tetragonal
Crystal class: 4/mn 2/m 2/m
Twinning:
Unit cell:
Colour: greenish yellow, lemon-yellow to brownish black
Diaphaneity: translucent
Luster:
Habit: microcrystalline aggregates, compact or earthy, nodular
Hardness: about 7
Specific gravity: 5.82
Cleavage: none
Tenacity:
Streak: yellowish
Synonyms/varieties:
Comments:
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