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FAMILY
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POPULAR NAME
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COLOR(S)
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Andalusite
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Poor Man’s Alexandrite
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Changes from grayish green to reddish brown, emerald green to bright yellow
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Apatite
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Apatite
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Various shades of blue and green
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Beryl
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Aquamarine
Golden Beryl
Green Beryl
Emerald
Morganite
Red Emerald
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Pastel blue to medium deep blue
Yellow; brownish-yellow
Pastel grayish-green to yellowish-green or bluish-green
Yellow-green to blue-green
Pink to orange-pink
Light to deep orange red to purple-red
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Chrysoberyl
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Alexandrite
Precious Cat’s Eye
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Changes from greenish in daylight to reddish in incandescent light
Greenish to brownish-yellow with "eye" effect
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Corundum
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Ruby
Blue Sapphire
Colorless Sapphire
Green Sapphire
Pink Sapphire
Yellow Sapphire
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Red to bluish or purplish-red toYellow-red
Bright blue to inky-blue
White (colorless)
Clear green to brownish or bluish-green
Light to very dark pink (almost red)
Yellow (mostly heat-treated: natural yellow usually less brilliant)
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Feldspar
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Labradorite
Moonstone
Sunstone
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Deep gray-blue to brownish-blue with strong iridescent play of color
Milky-white to blue-white peach/salmon teal
Red-green color change
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Garnet
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Almandine
Demantoid
Grossularaite
Malaya
Pyrope
Rhodolite
Tsvorite
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Purplish-red to pure red
Yellow-green to emerald green
Yellowish to yellowish-green to yellowish-brown
Pink-orange to brownish-red
Yellowish-red to dark red
Red violet
Yellowish-green to bluish-green
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Iolite
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Iolite
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Violet-blue to gray-blue
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Pearls
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Round
South Sea
Baroque
Fresh Water
Potato
Black/Gray
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Silver, silver-white, pink-white, white, cream
Silver, silver-white, pink-white, white, cream
White to creamy white
All colors
All colors
Deep gray to black with various overtones of blue-green and pink
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Peridot
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Peridot
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Yellow-green to deep green to rich chartreuse
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Quartz
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Amethyst
Ametrine
Citrine
Rose Quartz
Smokey Quartz
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Purple, reddish-purple to brownish purple
Shades of yellow and purple
Yellow to yellow-brown
Pure pink; some murky; some clear
Transparent brown shades
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Spinel
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Blue Spinel
Pink Spinel
Red Spinel
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Medium gray-blue to deep blue to violet
Lively or bright pink to brownish-pink
Red to brownish-red
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Topaz
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Blue Topaz
Imperial Topaz
Pink Topaz
Yellow/Golden Topaz
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Blue
Golden with pinkish/reddish overtone
Pink
Yellow/gold (no pink/red overtone)
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Tourmaline
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Chrome
Indicolite
Paraiba (neon)
Pink
Rubellite
Verdelite
Golden
Bicolor & Tricolor
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Deep green
Inky-blue to blue-green
Wide range of "neon" blue, green, blue-green, and purplish-blue
Pink or rose
Red to violet
Green: all shades except chrome
Yellow, orange, and brown
Red/black, red/green and red/green/colorless
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Zircon
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Zircon
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Pastel blue (usually treated) green to yellow-green, colorless (usually heat treated), orange to golden brown, red to brownish-red yellow to yellow brown
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Zoisite
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Tanzanite
Green
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Strong blue to weak blue-violet
Blue-green to grey-green
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SOURCE: Jewelry and Gems: The Buying Guide: Antoinette L. Matins, PG and A.C. Bonanno, FGA, GP ASA
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