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Britholite-(Ce) & Fluorapatite

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MCH838301

Britholite-(Ce) & Fluorapatite

Description Tabs

Description
Locality: 
Vevja Quarry, Tvedalen, Larvik, Vestfold og Telemark, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.6 × 1.8 cm
Description

Several green fluorapatite crystals up to 1.3 cm in size are surrounded by a narrow brown coloured rim of britholite-(Ce) embedded in feldspar with grey metallic magnetite and a bit of black material – thorite? Specimen from the Langesundsfjord-Larvikite Region in Southern Norway.

Mineral Data
What's on the rock

Britholite-(Ce)

Formula: 
Ca2(Ce,Ca)3(SiO4,PO4)3(OH,F)
Strunz: 
9.AH.25
Crystal System: 
Hexagonal
Hardness: 
5.5
Type Locality: 
Naujakasik (Naajakasik), Tunulliarfik Fjord (Tunugdliarfik), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

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