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Oxystannomicrolite

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SKY1037332

Oxystannomicrolite

Rare Mineral

Description Tabs

Description
Locality: 
Varuträsk, Skellefteå, Västerbotten County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.5 × 1.3 cm
Description

Yellowish brown crystal aggregates of the very rare Sn-Ta oxide mineral oxystannomicrolite from the second known locality worldwide and labeled as sukulaite in the plastic box.

Sukulaite from the TL in Sukula Pegmatite in Finland was renamed as oxystannomicrolite in 1977.

After Mindat:

Originally named sukulaite in 1967 for the Sukula Pegmatites, Finland, the type locality. It was renamed to stannomicrolite during a classification and nomenclature update of the pyrochlore group in 1977 (Hogarth 1977). It was renamed again, to oxystannomicrolite, according to new recommended pyrochlore supergroup nomenclature (Atencio et al. 2010), indicating dominant elements and its relation to other microlite group minerals.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Oxystannomicrolite

Formula: 
Sn2Ta2O6O
Hardness: 
0.0
Type Locality: 
Sukula Pegmatites, Tammela, Southern Finland Region, Finland

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