Elaterite

Elaterite, also known as Aeonite, `elastic bitumen` or `mineral caoutchouc`. Elaterite is a brown hydrocarbon 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 f...
Found on http://en.wikipedia.org/wiki/Elaterite

Elaterite

• (n.) A mineral resin, of a blackish brown color, occurring in soft, flexible masses; -- called also mineral caoutchouc, and elastic bitumen.
Found on http://thinkexist.com/dictionary/meaning/elaterite/

Elaterite

El'a·ter·ite noun (Min.) A mineral resin, of a blackish brown color, occurring in soft, flexible masses; -- called also mineral caoutchouc , and elastic bitumen .
Found on http://www.encyclo.co.uk/webster/E/16

Elaterite

Elaterite (also lnown as elastic bitumen or mineral caoutchouc) is a natural bitumen, soft, brown and elastic found in the lead mines of Castleton in Derbyshire and in Edinburgh.
Found on http://www.probertencyclopaedia.com/browse/HE.HTM
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