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Atacamite Sodalite & Sanidine

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CLB557459

Atacamite Sodalite & Sanidine

Classic Locality

Description Tabs

Description
Locality: 
Villa Inglese Quarries, Mount Vesuvius, Campania, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.5 × 1.8 cm
Description

Formerly offered as volborthite (originally labeled as such), colleague Massimo Russo convinced me, that this is a mix of elongated sodalite with sanidine, stained by green atacamite.

Mineral Data
What's on the rock

Atacamite

Formula: 
Cu2(OH)3Cl
Strunz: 
3.DA.10a
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Type Locality: 
Atacama Region, Chile

Sodalite

Formula: 
Na8(Al6Si6O24)Cl2
Strunz: 
9.FB.10
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Sanidine

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic - Prismatic
Hardness: 
6.0
Streak: 
White
Type Locality: 
Drachenfels, Königswinter, Siebengebirge, North Rhine-Westphalia, Germany

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