earth wax

Pronunciation:			urth waks
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WordNet Dictionary
	Definition:		[n]  a waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleum; some varieties are used in making ceresin and candles
	Synonyms:		ader wax, mineral wax, ozocerite, ozokerite
	See Also:		mineral
Biology Dictionary
	Definition:		A type of bitumin (semisolid to solid hydrocarbon substance) which is composed mostly of alkanes with high molecular weights. The substance is a waxy solid found in irregular veinlike deposits within stressed rocks and have colors ranging from greenish to brown to jet black. It is formed from oils, or liquid petroleum, of the same composition which have been exposed to the surface, have been exposed to oxidation and biodegradation, and/or whose liquid components have evaporated.
	Synonyms:		fossil wax, mineral wax, native mineral wax, native paraffin, ozocerite, ozokerite