(ordered by popularity)
common
important
rare
valuable
only
abundant
secondary
accessory
black
principal
white
primary
dominant
natural
powdered
heavy
green
particular
essential
latter
soft
original
chief
metallic
single
dark
hard
main
pure
yellow
rich
predominant
bearing
forming
crystalline
fibrous
opaque
red
like
brown
agricultural
precious
characteristic
ferromagnesian
unknown
useful
beautiful
blue
metamorphic
gray
magnetic
transparent
stable
micaceous
native
colored
hardest
typical
solid
orthorhombic
monoclinic
uncommon
earthy
massive
nonmetallic
greenish
coloured
soluble
light
dilute
strategic
amorphous
brittle
magnesian
orange
commonest
minor
poisonous
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