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Asphaltum

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NST657025

Asphaltum

With Antique Label

Description Tabs

Description
Locality: 
La Presta Asphalt Mine, Trvaers, Neuchâtel, Switzerland
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 6 × 3.5 cm
Description

Historic example of natural bitumen from an abandoned mine starting in 1714 and closed in 1986. In the 19th century, this mine accounted for a fifth of global asphalt production. Nowadays it is a tourist mine. This example hosts natural bitumen in calcitic veins of jurassic limestone.

Comes with an antique handwritten label.
 

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