Chalcedony is a microcrystalline Quartz, and is found in many different colours and patterns. Chalcedony has a number of crystals grouped under it, many of which will be very familiar, including Agate, Carnelian, Chrysoprase, Aventurine, Bloodstone, Jasper and Onyx.
| Alternative Names | Sard, Mtorolite |
| Colour | White, Blue, Green, Red, Yellow, Orange, Brown, Black |
| Hardness | 7 |
| Crystal system | Trigonal |
| Streak | White |
| Lustre | Dull |
| Main Locations | Worldwide |
| Chakra | Crown, Third Eye, Throat, Heart, Solar Plexus, Sacral, Root |
| Zodiac | Cancer, Sagittarius |
| Numerology | 9 |
| Planetary | Jupiter |
| Element | Water |
