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Derbylite

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CR20855

Derbylite

Rare Mineral

Description Tabs

Description
Locality: 
Buca Della Vena Mine, Apuan Alps, Lucca Province, Tuscany, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.3 × 5.5 × 2.8 cm
Description

Small black derbylite crystals on matrix from the type locality.

Rare

Mineral Data
What's on the rock

Derbylite

Formula: 
Fe3+4Ti3Sb3+O13(OH)
Strunz: 
4.JB.55
Crystal System: 
Monoclinic
Hardness: 
5.0
Streak: 
Brown
Type Locality: 
Tripuí (Tripuhy), Main district, Ouro Preto, Iron Quadrangle, Minas Gerais, Brazil