These are stunning examples of fine color amethyst from a mine in Arizona.
AMETHYST
This rough crystal (left) shows the classic seawater color aquamarine is named for.
AQUAMARINE
DIAMOND
The Diamond also comes in many colors.
This 10.86-ct. Colombian rough crystal shows the color of the finest emeralds.
EMERALD
PEARL AND CULTURED PEARL
Akoya and Tahitian cultured pearls
ALEXANDRITE
Alexandrites change colors under different lighting, going from green in daylight and fluorescent light (left) to red or raspberry in incandescent light (right).
RUBY
Ruby can command the highest price of all colored stones. This 15.97-ct. Ruby sold for over $3,000,000 at auction.
PERIDOT
The finest peridot is a beautiful green to slightly yellowish green. The depth of color in this 172.53-ct. faceted gem is especially rare for peridot.
SAPPHIRE
Sapphire is the most popular blue gem, but it comes in a wide array of colors.
Opal displays the play-of-color phenomenon.
OPAL
Blue Topaz
TOPAZ
Imperial topaz
TANZANITE
Tanzanite is a beautiful bluish - purple gem from Tanzania, Africa.
CreditsColumbia Gem House, Inc.
De Beers (Diamond Promotion Service/Diamond Information Center)