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Phaneritic
-seen w naked eye
-plutonic
can be equigranular or porphyritic
plutonic
subsurface formed igneous rock
aphanitic
cant see crystals of groundmass
-volcanic
can be equigranular or porphyritic
volcanic
surface formed igneous rock
glassy/vitreous
igneous rock with conchoidal fracture
vesicular
igneous rock texture
bubbles
porphyritic
larger crystals within a ground mass mass of smaller crystals
equigranular
all crystals are around the same size
basic
dark igneous rock
acidic
light igneous rock