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Ferriallanite-(Ce) & Cerite-(Ce)

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SHS186847

Ferriallanite-(Ce) & Cerite-(Ce)

Description Tabs

Description
Locality: 
Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.7 × 2 cm
Description

Ferriallanite fe and cerite ce in matrix

Mineral Data
What's on the rock

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

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