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Perbøeite-(Ce) & Alnaperbøeite-(Ce)

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CHA771763

Perbøeite-(Ce) & Alnaperbøeite-(Ce)

Type Locality

Description Tabs

Description
Locality: 
Stetind Pegmatite, Tysfjord, Nordland, Norway
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.9 cm
Description

specimen with some greenish crystals of perboeite-alnaperboeite on/in matrix, the Perbøeite-(Ce)) and alnaperbøeite-(Ce) are a solid solution series and are indistinguishable.

For value the dimension of the crystals I remenber you that the photos of my specimens are taken at only 20/40 enlargement!

Mineral Data
What's on the rock

Perbøeite-(Ce)

Formula: 
(CaCe3)(Al3Fe2+)(Si2O7)(SiO4)3O(OH)2
Hardness: 
0.0
Type Locality: 
Hundholmen, Tysfjord, Nordland, Norway

Alnaperbøeite-(Ce)

Formula: 
(CaCe2.5Na0.5)(Al4)(Si2O7)(SiO4)3O(OH)2
Hardness: 
0.0
Type Locality: 
Stetind pegmatite, Tysfjord, Nordland, Norway

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