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Coquimbite Aluminocopiapite & Rhomboclase

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CSW179491

Coquimbite Aluminocopiapite & Rhomboclase

Description Tabs

Description
Locality: 
Alcaparrosa Mine, Sierra Gorda, Antofagasta Province, Antofagasta Region, Chile
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.5 × 1.7 cm
Description

A nice specimen showing deep violet coquimbite with golden yellow aluminocopiapite and white rhomboclase crystals.

Mineral Data
What's on the rock

Coquimbite

Formula: 
Fe2-xAlx(SO4)3·9H2O, x ~0.5
Strunz: 
7.CB.55
Hardness: 
2.5
Streak: 
white
Type Locality: 
Coquimbo Region, Chile

Aluminocopiapite

Formula: 
Al2/3Fe3+4(SO4)6(OH)2·20H2O
Strunz: 
7.DB.35
Crystal System: 
Triclinic
Hardness: 
2.0 - 3.0
Streak: 
no data
Type Locality: 
Mosquito Fork, Forty Mile River, Southeast Fairbanks Borough, Alaska, USA

Rhomboclase

Formula: 
(H5O2)Fe3+(SO4)2·2H2O
Strunz: 
7.CB.55
Hardness: 
2.0
Streak: 
White
Type Locality: 
Smolník (Schmöllnitz; Szomolnok), Gelnica Co., Košice Region, Slovakia

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.