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These are the most frequently used words in another edition of this book.
africa
agate
amber
another
applied
beryl
between
black
blue
brilliant
brown
cabochon
called
chemical
chinese
cleavage
color
colored
colorless
commercial
containing
corundum
crown
crystal
cts
cut
dark
deposit
diamond
effect
element
emerald
etc
facets
form
formula
found
fracture
garnet
gem
gemstones
glass
gold
green
group
imitation
inclusions
jade
known
light
lines
location
luster
marble
material
may
metal
mine
mineral
misleading
name
natural
opal
optics
pearl
pink
quartz
red
rock
ruby
sapphire
seen
shell
similar
small
sometimes
south
spectrum
spelled
star
stone
structure
surface
synthetic
system
term
terns
topaz
tourmaline
translucent
transparent
turquoise
two
usa
used
usually
variety
water
white
yellow
