What Colour is Your Gem?

So you have a thing for blue stones, or always wanted that knock-your-socks-off green cabochon.  Here is a partial list of the colours of precious and semiprecious stones:

Shades of White.  Quartz, opal, chalcedony, mother of pearl, moonstone, white jade, agate.

Shades of Grey.  Labradorite, smoky topaz, chalcedony, zircon, howlite, hematite.

Black.  Obsidian, tourmaline, jet, dyed agate, hypersene.

Shades of Blue.  Lapis lazuli, amethyst, chalcedony, spinel, zircon, sapphire, kyanite, tourmaline, larimar, turquoise, blue lace agate, fluorite, blue goldstone.

Shades of Green.  Amazonite, turquoise, beryl, bloodstone, epidote, emerald, malachite, chrysoprase, chrysolite, olivine, garnet, chrysoberyl, peridot, unakite, bloodstone, ammolite, ruby zoisite.

Shades of Yellow & Orange.  Opal, amber, topaz, beryl, jasper, garnet, sapphire, citrine, chrysoberyl, ametrine.

Shades of Red.  Garnet, carnelian, chalcedony, rose quartz, corundum, tourmaline, spinel, ruby, rhodonite, rhodochrosite, goldstone.

Shades of Brown.   Zircon, garnet, smoky topaz, tiger eye, jasper, botswana agate, tiger stone, sunstone, petersite, petrified wood.

Colourless.   Diamond, sapphire, spinel, zircon, topaz, rock crystal, moonstone, quartz.

Many of these gemstones come in a wide variety of colours!