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Natroalunite

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HEF1168845

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Description
Locality: 
Unnamed Copper Mine, Mejillones Peninsula, Antofagasta Province, Antofagasta Region, Chile
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.4 × 1.5 cm
Description

Natroalunite is a relatively rare sulfate mineral from the alunite supergroup and is the sodium analogue of the more widespread mineral alunite. It usually occurs in the form of white, granular to dense masses.
 

Mineral Data
What's on the rock

Natroalunite

Formula: 
NaAl3(SO4)2(OH)6
Strunz: 
7.BC.10
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Red Mountain District, Ouray Co., Colorado, USA

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Start 26 Feb 18:00
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Shipping Information

Postage Area Price
Germany : Insured parcel < 2000g 6 €
6
Germany : Insured parcel > 2000g 9 €
9
International <500g 10 €
10
International > 500g < 1000g 18€
18
USA 12€
12
Worldwide < 5000g insured parcel 50€
50

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