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Ammonioalunite & Ammoniojarosite

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QWE747359

Ammonioalunite & Ammoniojarosite

Rare Mineral

Description Tabs

Description
Locality: 
Radlin, Wodzisław County, Silesian Voivodeship, Poland
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 3 cm
Description

Yellow aggregates composed of ammonioalunite and ammoniojarosite. Minor associated tschermigite also possible. Analyzed material (PXRD).

Mineral Data
What's on the rock

Ammonioalunite

Formula: 
(NH4)Al3(SO4)2(OH)6
Strunz: 
7.BC.10
Crystal System: 
Trigonal
Hardness: 
2.0 - 3.0
Streak: 
white
Type Locality: 
The Geysers, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA

Ammoniojarosite

Formula: 
(NH4)Fe3+3(SO4)2(OH)6
Strunz: 
7.BC.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Type Locality: 
Kaibab fault, Kane Co., Utah, USA

Seller Information

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Guarantee and Return

YOUR 100% SATISFACTION GUARANTEE.
If you are not happy with your purchase we will accept a return. Up to 14 days after you received the item please e-mail us to arrange the refund. We will refund immediately 100% your money upon receiving back the item. Return shipping will be paid by the buyer.
If a specimen is broken during the shipping we will make a refund.
We work very hard to give accurate and complete descriptions of each specimen. Our goal is providing the highest quality photos, giving a true image of the specimen without enhancement. You should realize that viewing a photograph of a specimen does not replace holding the actual specimen in your hand.

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