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Tapiolite-(Fe)

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SHS44928

Tapiolite-(Fe)

Description Tabs

Description
Locality: 
São José da Safira, Minas Gerais, Brazil
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.8 × 2.8 cm
Description

Dark gray twinned tapiolite fe crystal

Mineral Data
What's on the rock

Tapiolite-(Fe)

Formula: 
(Fe,Mn)(Ta,Nb)2O6
Strunz: 
4.DB.10
Hardness: 
6.0 - 6.5
Colour: 
Black
Type Locality: 
Tapiolite-(Fe) typelocality, Kulmala, Sukula Pegmatites, Tammela, Southern Finland Region, Finland