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Sphaerobertrandite

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CHA763360

Sphaerobertrandite

Rare Mineral

Description Tabs

Description
Locality: 
Johs Nilsens Quarry, Tvedalen, Larvik, Vestfold og Telemark, Norway
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.8 × 1.7 cm
Description

cream colour sphaerulites of the rare sphaerobertrandite on green acicular aegirine on matrix.

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

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...

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