Igneous

a.	1.	Pertaining to, having the nature of, fire; containing fire; resembling fire; as, an igneous appearance.
	2.	(Geol.) Resulting from, or produced by, the action of fire; as, lavas and basalt are igneous rocks.

Adj.	1.	igneous - produced under conditions involving intense heat; "igneous rock is rock formed by solidification from a molten state; especially from molten magma"; "igneous fusion is fusion by heat alone"; "pyrogenic strata" Synonyms: pyrogenic, pyrogenous
	2.	igneous - like or suggestive of fire; "the burning sand"; "a fiery desert wind"; "an igneous desert atmosphere" Synonyms: fiery

fiery, hot