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Thorite In Bastnäsite-(Ce)

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SHS205566

Thorite In Bastnäsite-(Ce)

Description Tabs

Description
Locality: 
Mountain Pass Mine, Mountain Pass, San Bernardino County, California, United States of America
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 2.6 × 2.2 cm
Description

 Thorite in bastnaesite from the largest see deposit of the western world

Mineral Data
What's on the rock

Thorite

Formula: 
(Th,U)SiO4
Strunz: 
9.AD.30
Crystal System: 
Tetragonal
Hardness: 
4.5
Type Locality: 
The Thorite Hole, Løvøya (Løvø; Lövö; Lövöe), Langesundsfjorden, Porsgrunn, Telemark, Norway

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