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Dawsonite Ankerite & Sodalite

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PJM105696

Dawsonite Ankerite & Sodalite

Description Tabs

Description
Locality: 
Cerro Sapo, Ayopaya Province, Cochabamba Department, Bolivia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 5.1 × 3.6 cm
Description

Large off white bladed dawsonite crystals in a ankerite lined cavity in sodalite from a little known locale in Bolivia. These are very good sized crystals for the species.

Mineral Data
What's on the rock

Dawsonite

Formula: 
NaAlCO3(OH)2
Strunz: 
5.BB.10
Crystal System: 
Orthorhombic
Hardness: 
3.0
Streak: 
White
Type Locality: 
McGill University campus, Montréal, Québec, Canada

Ankerite

Formula: 
Ca(Fe2+,Mg)(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Styrian Erzberg, Eisenerz, Styria, Austria

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
Earthstones Australia

Seller Information

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