Gemstones
| Gemstone | Colour |
| Achroite | Colourless |
| Agate | Variable |
| Alexandrite | Green in daylight, red in incanescent light |
| Almandine | Red; also variable |
| Amazonite | Yellow green to blue green |
| Amethyst | Purple |
| Andradite | Deep emerald green |
| Aquamarine | Sky blue to greenish blue |
| Aventurine | Colourless with reddish glow provided by inclusions |
| Balas ruby | Red; also variable |
| Beryl | Variable |
| Bloodstone | Variable |
| Brazilian emerald | Green |
| Cairngorm | Smoky gray to brown |
| Carbuncle | Deep red with a trace of purple |
| Cat's-eye | Green in daylight, red in incanescent light |
| Chalcedony | Variable |
| Chrysoberyl | Green in daylight, red in incanescent light |
| Chrysolite | Yellow green; dark bottle green; olive green |
| Chrysoprase | Variable |
| Citrine | Yellow |
| Corundum | Orange |
| Cristobalite | White to colourless; milky to bluish white; variable pale shades |
| Cymophone | Green in daylight, red in incanescent light |
| Demantoid | Deep emerald green |
| Diamond | Colourles to faint yellowish tinge; also variavle |
| Dravite | Brown |
| Emerald | Green |
| Feldspar | Variable |
| Garnet | Deep red with a trace of purple |
| Goshanite | colourless; greenish yellow, yellow green, brownish |
| Grossularite | Brownish yellow or orange to orange, red, or green |
| Heliotrope | Variable |
| Helodore | golden yellow |
| Hessonite | Brownish yellow or orange to orange, red, or green |
| Hyacinth | Tellow, orange, red, brown |
| Imperial jade | Pure white to black, red, brown, yellow, blue, mauve, various greens |
| Indicolite | Dark blue |
| Jade | Pure white to black, red, brown, yellow, blue, mauve, various greens |
| Jargon | Variable |
| Jasper | Variable |
| Kunzite | Lilac |
| Labradorite | Grayish |
| Lapiz Lazuli | Deep blue, azure blue, greenish-blue |
| Malachite | Bright Green |
| Matura diamond | Colourless |
| Mocha syone | Variable |
| Moonstone | Colourless; also white to yellowish, and reddish to bluish gray |
| Morganite | Pink |
| Moss agate | Variable |
| Mutton-fat jade | Deep spinach green to near-white |
| Nephrite | Deep spinach green to near-white |
| Olovine | Yellow green; dark bottle green; olive green |
| Onyx carnelian | Variable |
| Opal | White to colourless; milky to bluish white; variable pale shades |
| Orthoclase | pale tellow; flesh red |
| Padmaradschah | Orange |
| Peridot | Yellow green; dark bottle green; olive green |
| Peristerite | pastel pink to gray |
| Plasma | Variable |
| Prase | Variable |
| Pyrope | Dark blood red |
| Quartz | Variable, usually colourless |
| Rock crystal | Colourless |
| Rose quartz | Pink |
| Rubellite | Pink |
| Rubicelle | Red; also variable |
| Ruby | Red |
| Sapphire | Blue; variable other than red |
| Sard | Variable |
| Sardonyx | Variable |
| Serpentine | Grayish; white; green; yellow; green-blue |
| Siberite | Violet |
| Smoky quartz | Smoky gray to brown |
| South African jade | Brownish yellow or orange to orange, red, or green |
| Spessartite | Yellowish orange; brownish to orange red |
| Spinel | Red; also variable |
| Sunstone | Colourless with reddish glow provided by inclusions |
| Topaz | Wine yellow; pale blue, green, violet, or red |
| Tourmaline | Colourless |
| Turquoise | Sky blue; greenish blue |
| Uralian emerald | Deep emerald green |
| Zircon | Variable |
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