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Bastnäsite

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WND550230

Bastnäsite

Description Tabs

Description
Locality: 
Årøya, Kongshus, Troms og Finnmark, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 5.6 × 3.2 cm
Largest Crystal: 
1.80cm
Description

Brown, crudely developed bastnäsite crystals up to 1.8 cm in size, embedded in matrix from the Aröya Island in Norway. The crystals have visible prismatic crystal faces but no terminations. A good  example of this mineral.

Mineral Data
What's on the rock

Bastnäsite

Synonym Of: 

Bastnäsite-(Ce)

Formula: 
(Ce,La)(CO3)F
Strunz: 
5.BD.20a
Hardness: 
4.0 - 4.5

Bastnäsite-(La)

Formula: 
(La,Ce)(CO3)F
Strunz: 
5.BD.20a
Hardness: 
4.0 - 5.0

Bastnäsite-(Nd)

Formula: 
Nd(CO3)F
Strunz: 
5.BD.20a
Hardness: 
4.0 - 4.5

Bastnäsite-(Y)

Formula: 
(Y,Ce)(CO3)F
Strunz: 
5.BD.20a
Hardness: 
4.0 - 4.5
Wendel Minerals

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