Elaterite
Encyclopedia
Elaterite, also known as Aeonite, elastic bitumen or mineral caoutchouc.
Elaterite is a brown hydrocarbon
Hydrocarbon
In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons from which one hydrogen atom has been removed are functional groups, called hydrocarbyls....

 varying somewhat in consistency, being sometimes soft, elastic and sticky, like India rubber, and occasionally hard and brittle. It is usually dark brown in color and slightly translucent. A substance of similar physical character is found in the Coorong district of South Australia
South Australia
South Australia is a state of Australia in the southern central part of the country. It covers some of the most arid parts of the continent; with a total land area of , it is the fourth largest of Australia's six states and two territories.South Australia shares borders with all of the mainland...

, and is hence termed coorongite. It is said to be carcinogenic.

Occurrence in nature:

Strawberry, Utah, USA
Strawberry, Utah
Strawberry is an unincorporated community in western Duchesne County, Utah, United States. Most of the inhabitants live along the Strawberry River between the Strawberry River pinnacles and Starvation Reservoir west of the city of Duchesne, the county seat of Duchesne County.-History:1905-1910 In...

: Flows from the ground in a soft elastic form, also exists in the brittle form from various veins in the canyon walls.

Castleton in Derbyshire
Derbyshire
Derbyshire is a county in the East Midlands of England. A substantial portion of the Peak District National Park lies within Derbyshire. The northern part of Derbyshire overlaps with the Pennines, a famous chain of hills and mountains. The county contains within its boundary of approx...

: Windy Knoll Cave. The lead mines of Odin
Odin Mine
Odin Mine is a disused lead mine in the Peak District National Park, situated at grid reference . It lies on a site of 25 hectares near the village of Castleton, England. It is the oldest documented mine in Derbyshire and is thought to be one of the oldest lead mines in England...

.

Further reading

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