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PRECIOUS STONES 205
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Cat's-Eye ...........Gray, brown, and black, with yellowish or greenish tints.
Cave Pearls.........Gray.
Chiastolite .........Black, blackish gray, and white.
Chlorastrolite......Green, mottled.
Chrysoberyl.........Yellow to brown, and various shades
of green.
Chrysolite..........Yellow, olive-green, bright green.
Cymophane .........Milky colors of the chrysoberyl.
Cinnamon-Stone .... Brownish-red garnet.
Chrysocolla ........Light to dark mottled greenish blue.
Citrine .............Yellow rock crystal.
Cobaltite ...........Flesh color.
Compact Titanic Iron . Black.
Coral...............Red, pink.
Cassiterite..........Brownish white to reddish brown.
Crocidolite..........Light brown, brownish yellow, green,
and greenish blue.
Cyanite.............Bluish, yellowish, and reddish white,
sapphire-blue, gray, and green.
Datolite............White, creamy, and flesh-colored.
Danburite ..........Wine, honey or yellowish brown.
Demantoid ..........Green garnet.
Diamond ............Colorless, red, green, blue, pink, violet, yellow, brown, and black.
Dichroite ...........See Iolite.
Diopside.............Green, greenish gray and white, blue.
Dioptase ............Brilliant green.
Eljeolite............Blue.
Emerald ............Green, pale to dark grass-green.
Enstatite...........Rhodonite.
Epidote .............Gray to grayish green and blue with
brown and red tints.
Essonite ............Yellowish to brownish-red garnet.
Euclase.............Straw to green and blue.
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