different between igneous vs lamprophyre

English

From Latin igneus (“fiery”).

igneous (not comparable)

Pertaining to or having the nature of fire; containing fire; resembling fire.
(geology) Resulting from, or produced by, great heat. With rocks, it could also mean formed from lava or magma.

Ancient Greek ??µ???? (laµprós) (lamprós) = "bright" and ???? (phúr?) (phýro) = "to mix".

lamprophyre (plural lamprophyres)

(geology) An uncommon, small-volume ultrapotassic igneous rock primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions.

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