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Gypsum

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MNT716552

Gypsum

Classic Locality

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Description
Locality: 
Bad Sulza, Thuringia, Germany
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 2.8 × 1.8 cm
Description

Interesting oldtimer: Dornstein is a synonym for formations of minerals built on salt recovery works. These are called Gradierwerke (graduation houses) and usually consisted of a network of thin wooden branches where the saline solution would run over and evaporate, leaving the salt in solid form. So this is an anthropogenic mineral but a rare historic one. Two specimens, size is for the bigger one. 1910 specimen.

 

 

Mineral Data
What's on the rock

Gypsum

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

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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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