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Tavagnascoite & Håleniusite-(La)

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JYJ712459

Tavagnascoite & Håleniusite-(La)

Description Tabs

Description
Locality: 
Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1 × 0.6 cm
Description

Rare SEM-EDS & Raman confirmed tavagnascoite from the second locality world wide. The matrix consist of a mixture of haleniusite-La, cerite-Ce and bismuthinite. Analysis attached. 

An article will be published soon about this second locality. 

 

Mineral Data
What's on the rock

Tavagnascoite

Formula: 
Bi4O4(SO4)(OH)2
Strunz: 
7.BB.35
Crystal System: 
Orthorhombic
Colour: 
Colourless

Håleniusite-(La)

Formula: 
(La,Ce)OF
Strunz: 
3.DE.05
Hardness: 
0.0
Type Locality: 
Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden