
1) Resin
Found on
https://www.crosswordclues.com/clue/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

• (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/
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 (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

an elastic, rubbery, brownish natural asphalt.
Found on
https://www.infoplease.com/dictionary/elaterite
No exact match found.