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Tungstite & Hydrotungstite

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JYJ767688

Tungstite & Hydrotungstite

Description Tabs

Description
Locality: 
Polo Sur Mine, Aroma Province, La Paz Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.1 × 1 cm
Description

P-XRD confirmed yellow hydrotungstite & tungstite on scheelite beige scheelite matrix. 

New find from an almost unknown mine. Analysis attached (note: hydrotungstite is not in the preconfigured database, but the d-values are in accordance with the mineral). 

Mineral Data
What's on the rock

Tungstite

Formula: 
WO3·H2O
Strunz: 
4.FJ.10
Hardness: 
2.5
Type Locality: 
Lane's [Lead and Silver] Mine (Elm Street), Monroe, Fairfield Co., Connecticut, USA...

Hydrotungstite

Formula: 
WO3·2H2O
Strunz: 
4.FJ.15
Hardness: 
2.0
Type Locality: 
San Antonio de Calacalani mine, Cercado Province, Oruro Department, Bolivia