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Wodginite & Ferrowodginite

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RSL598850

Wodginite & Ferrowodginite

Analysed

Description Tabs

Description
Locality: 
Sapucaia Mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.7 × 0.5 cm
Description

Fragment of wodginite-ferrowodginite showing good brilliance, some transparence with reddish tones. It is common that wdginite and ferrowodginite turns out to be a thick coating epitaxial on cassiterite, almost or completely vanished. Unusual locality. Analysis shows a Mn 3.17%w and 3.06%w Fe, accompanied by minor Nb and Y. It is a intermediate wodginite-ferrowodginite.

Mineral Data
What's on the rock

Wodginite

Formula: 
Mn(Sn,Ta)Ta2O8
Strunz: 
4.DB.40
Hardness: 
5.5
Type Locality: 
Wodgina Mine (Wodgina pegmatite; Main tantalite dyke), Port Hedland Shire, Western Australia, Australia

Ferrowodginite

Formula: 
FeSnTa2O8
Strunz: 
4.DB.40
Crystal System: 
Monoclinic
Hardness: 
5.5
Type Locality: 
Sukula Pegmatites, Tammela, Southern Finland Region, Finland
Analysis
Analysis Report - only: Wodginite & Ferrowodginite