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Berborite & Natrolite

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SKY639988

Berborite & Natrolite

Rare Mineral

Description Tabs

Description
Locality: 
Saga #1 Quarry, Sagåsen, Mørje, Porsgrunn, Vestfold og Telemark, Norway
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1 × 1 cm
Description

Outstanding beige sharp perfect crystals of the very rare mineral berborite in a matrix of natrolite.

Berborite is a beryllium borate.

Mineral Data
What's on the rock

Berborite

Formula: 
Be2(BO3)(OH,F)·H2O
Strunz: 
6.AB.10
Crystal System: 
Trigonal
Hardness: 
3.0
Type Locality: 
Lupikko Mine, Pitkyaranta District (Pitkäranta District), Ladoga Region, Karelia Republic, Northern Region, Russia

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany

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