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Sphaerobertrandite

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JYJ668091

Sphaerobertrandite

Description Tabs

Description
Locality: 
Skallist Quarry, Klåstad, Tjølling, Larvik, Vestfold og Telemark, Norway
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.8 × 0.8 cm
Description

Brownish spheres of the rare mineral sphaerobertrandite from the Skallist quarry in the pegmatitic Larvik area.

 

Analysed material!

Mineral Data
What's on the rock

Sphaerobertrandite

Formula: 
Be3(SiO4)(OH)2
Strunz: 
9.AE.50
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sengischorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...