Loose gemstones

Ametrines

Ametrine is a single quartz crystal that grew as two colors at once — purple amethyst on one side, golden citrine on the other, meeting along a boundary that can be knife-sharp or softly blended. It is one of the few gems where the interesting thing is a line rather than a color.

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Stone type
Sapphire 2,027 Ruby 494 Emerald 475 Aquamarine 321 Tanzanite 187 Tourmaline 263 Amethyst 350 Citrine 288 Garnet 378 Peridot 149 Spinel 146 Opal 234 Topaz 421 Alexandrite 189 Morganite 65 Zircon 89 Pearl 149 Iolite 36 Kunzite 8 Apatite 12 Ametrine 2 Zoisite 7 Zultanite 5 Beryl 5 Sunstone 4 Chrysoberyl 2

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