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Stannomicrolite

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ESM796874

Stannomicrolite

Description Tabs

Description
Locality: 
Urucum Mine, Galileia, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 2 cm
Description

Yellow stannomicrolite crystals with stokesite crystals

Mineral Data
What's on the rock

Stannomicrolite

Variety Of: 

Stannomicrolite (of Hogarth 1977)

Formula: 
(Sn,Fe,Mn)2(Ta,Nb,Sn)2(O,OH)7
Strunz: 
4.DH.15
Hardness: 
4.5 - 5.5