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Natrolite & Analcime

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MGR885410

Natrolite & Analcime

Rare Mineral

Description Tabs

Description
Locality: 
Streymoy Island, Faroe Islands, Denmark
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 3.7 × 2.6 cm
Description

Incredible combination of rare analcime combined with natrolite from the Faroe Islands. The crystals are lustrous all over and the contrast which the dark matrix gives is fantastic.

Mineral Data
What's on the rock

Natrolite

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

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy