Chrome
Diopside
Morganite
Paraiba
Tourmaline
Red Spinel
Tanzanite
Tsavorite
Blue Zircon
Colored stones... known by the average consumer are grouped into the Big Three:
  • Emeralds
  • Rubies
  • Sapphires

Beyond those three are another 75 or so varieties, which have very little exposure outside the gem
collector's circle. This table lists the more accessible gemstones:
Major Families
Varieties within the Family
Andalusite
 
Apatite
Green Blue-Green, Blue
Beryl
Aquamarine, Emerald, Pink (Morganite), Yellow (Heliodor), Red
Chrysoberyl
Cat's Eye, Alexandrite
Corundum
Ruby (red), Sapphire (blue), Fancy Sapphire (light blue, green,
pink, yellow), Padparascha (orangey Red)
Diopside
Green (Chrome)
Diamond
blue, brown, green, orange, pink, red, yellow
Garnet
Almandine, Demantoid, Green Grossular, Hessonite, Spessartite,
Tsavorite, Uvarovite
Iolite
purplish-greyish-Blue
Jadeite
Green, brown, lavender
Spinel
Red, blue, brown
Sphalerite
Yellow, orange
Tourmaline
Paraiba, Indicolite (blue), Rubellite (red), Chrome (green),
bi-color, watermelon
Zircon
Blue, brown, orange
Zoisite
Tanzanite (blue, purplish-blue)
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