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Cerite-(Ce) Törnebohmite-(Ce) & Ferriallanite-(Ce)

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Cerite-(Ce) Törnebohmite-(Ce) & Ferriallanite-(Ce)

Analysed
Type Locality

Description Tabs

Description
Locality: 
Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.7 × 0.9 cm
Description

Mixture of  three rare minerals - massive, typical for occurance pinkish-grey Cerite-(Ce) (Type Locality!), greenish-grey Törnebohmite-(Ce) (Type Locality!) and black Ferriallanite-(Ce). Analysed!

Mineral Data
What's on the rock

Cerite-(Ce)

Formula: 
(Ce,Ca)9(Mg,Fe)(SiO4)3(HSiO4)4(OH)3
Strunz: 
9.AG.20
Hardness: 
5.5
Type Locality: 
St Görans Mine, Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden

Törnebohmite-(Ce)

Formula: 
(Ce,La)2Al(SiO4)2(OH)
Strunz: 
9.AG.45
Hardness: 
4.5
Type Locality: 
Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden

Ferriallanite-(Ce)

Formula: 
{CaCe}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
6.0 - 0.0
Colour: 
black
Streak: 
brown
Type Locality: 
Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia

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