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Bitumen

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Bitumen

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Description
Locality: 
Sarliève, Cournon-d'Auvergne, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 3 cm
Description

Famous natural bitume conglomerate with natural limestone from the Cournon quarry.

I collected the material by myself 3 years ago in the famed Cournon quarry close to Clermont Ferrand which is famous for the „fleurs de bitume/ bitumen flowers“

The formation of these specimens is strongly linked to the opening of the Limagne Graben and its upward migrating hydrocarbons. These highly viscous hydrocarbons filled and glued fractures in limestone and once cracks induced by blasting in the nearby quarry occurred, these almost „unnatural“ patterns formed.
 

Mineral Data
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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 10 days. After receipt, I will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions please feel free to contact me. Best regards Crystallum