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Håleniusite-(La) Cerite & Ferriallanite-(Ce)

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SKI889061

Håleniusite-(La) Cerite & Ferriallanite-(Ce)

ex Joy Desor mineralanalytik

Description Tabs

Description
Locality: 
Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 2.5 cm
Description

Håleniusite-(La), Cerite & Ferriallanite-(Ce) from Bastnäs Mines.

ex Joy Desor mineralanalytik

Mineral Data
What's on the rock

Håleniusite-(La)

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

Cerite

Synonym Of: 

Cerite-(Ce)

Formula: 
(Ce,Ca)9(Mg,Fe)(SiO4)3(HSiO4)4(OH)3
Strunz: 
9.AG.20
Hardness: 
5.5

Cerite-(La)

Formula: 
(La,Ce,Ca)9(Fe,Ca,Mg)(SiO4)3(HSiO4)4(OH)3
Strunz: 
9.AG.20
Hardness: 
5.0

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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