igneous
what texture does baslatic glass have
glassy non vesicular
what is the texture of slate
foliated mineral alignment
what is the texture of shale
clastic
what mineral has the composition of C
graphite
what color density is obsidian
felsic
what is the grain size of gneiss
medium to coarse
what is the composition of rock salt
halite
what is sulfurs compostion
S
what color density is gabbro
mafic
what rock has just mica as there composition
slate
what rock has the compostion of dolomite
dolostone
what are the uses for talc
ceramics, paper
what is basalts crystal size
less than 1 mm
what is the texture of marble
nonfoliated
what three rocks are made from crystals that from from chemical precipitates and evaporites
rock slat, rock gypsum, dolostone
what are the common colors of plagioclase feldspar
white to gray
what rock has pryoxene and olivine as their mineral composition
peri- dotite
what is the metamorphism type of hornfels
contact (heat)
what is bituminous coals texture
bioclastic
what is a distinguishing characteristic of fluorite
cleaves in 4 directions