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Albite Psm Analcime & Epidote

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MGR851888

Albite Psm Analcime & Epidote

Pseudomorph

Description Tabs

Description
Locality: 
Feiring Bruk, Lørenskog, Viken, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 4.6 × 1.9 cm
Description

The main crystal is 22mm across, the crystals are epimorph - all of them hollow. They show a light red color, which gives a nice contrast to matrix, which is partly covered witha green Epidote layer. This is a very rare, uncommon locality and the specimen represents very best quality and features a rare pseudomorph cast. No significant damages to report.

Mineral Data
What's on the rock

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

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

Epidote

Formula: 
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05a
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
Colorless
Type Locality: 
Bourg d'Oisans, Isère, Rhône-Alpes, France...