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Gypsum & Devilline

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MNT116925

Gypsum & Devilline

Classic Locality

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Description
Locality: 
Bou Beker, Touissit-Bou Beker District, Jerada Province, Oriental Region, Morocco
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 3.7 × 3.4 cm
Description

The base metal deposit of Touissite (including Bou Beker) has yielded excellent specimens of a variety of species. One of the more recent finds are matrix specimens covered with lustrous water clear gypsum crystals which include copper secondary minerals. The turquoise blueish inclusions are said to be devilline. Nice example.

Mineral Data
What's on the rock

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Devilline

Formula: 
CaCu4(SO4)2(OH)6·3H2O
Strunz: 
7.DD.30
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
Cornwall, England, UK

Seller Information

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Seller's terms and conditions

Terms & Conditions

Thank you for your interest in my offers! Payment is possible via Paypal, bank transfer or cash if you pick up the item(s) personally. Bank data will be provided after settling the auction/transaction(s) if needed.

In case you are not happy with a specimen, you may send it back within 4 weeks. After receipt, i will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions (or maybe complaints) please feel free to contact me.

Best regards Roger

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