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Bastnäsite-(Ce) Calcite & Talc

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MEX143445

Bastnäsite-(Ce) Calcite & Talc

Classic Locality

Description Tabs

Description
Locality: 
Trimouns, Luzenac, Ariège, Occitanie, France
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.7 × 3.7 × 2.9 cm
Description

Brown crystal groups of bastnäsite ce from the famous locality in france. Isn't damaged.

Mineral Data
What's on the rock

Bastnäsite-(Ce)

Formula: 
(Ce,La)(CO3)F
Strunz: 
5.BD.20a
Crystal System: 
Hexagonal
Hardness: 
4.0 - 4.5
Type Locality: 
Bastnäs mines, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Talc

Formula: 
Mg3(Si4O10)(OH)2
Strunz: 
9.EC.05
Crystal System: 
Triclinic
Hardness: 
1.0
Streak: 
White