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Amicite & Natrolite

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ESM561990

Amicite & Natrolite

Rare Mineral

Description Tabs

Description
Locality: 
Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.7 × 5.3 × 3.3 cm
Description

Colorless lustrous amicite crystals with pale-green natrolite on matrix

Mineral Data
What's on the rock

Amicite

Formula: 
K2Na2Al4Si4O16·5H2O
Strunz: 
9.GC.05
Crystal System: 
Monoclinic
Hardness: 
4.5
Colour: 
Colorless
Streak: 
White
Type Locality: 
Höwenegg Quarry (Hewenegg Quarry), Immendingen, Hegau, Baden-Württemberg, Germany

Natrolite

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