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Britholite-(Ce)

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LGM172921

Britholite-(Ce)

Ex Dr. Krantz, Bonn, Germany
With Antique Label

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Description Tabs

Description
Locality: 
Mochalin Log, Kyshtym, Chelyabinsk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2 × 1 cm
Description

A single brown crystal fragment of lessingite, quite big for the species. Comes with old label dated 19th century. Lessingite is a synonym for britholite-(Ce) and was originally reported from this locality - though an important historic specimen. Very slight radioactive. These russian oldies are increasingly hard to get, though rare on the market. Weight: 7 grams

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

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