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Derbylite
Type Locality
Tripuí (Tripuhy), Main district, Ouro Preto, Iron Quadrangle, Minas Gerais, Brazil
Mineral Data
Fe
3+
4
Ti
3
Sb
3+
O
13
(OH)
Strunz:
4.JB.55
Physical Properties
Crystal System:
Monoclinic
Streak:
Brown
Hardness:
5.0
Tenacity:
very brittle
