A rare variety of Andalusite which forms with a black cross consisting of carbon and black graphite, best shown off when the specimen is sliced across. Although Chiastolite is made primarily of Andalusite, this form was actually recorded first in 1754, over 40 years before Andalusite was officially recorded.
| Alternative Names | Andalusite, Cross Stone |
| Colour | Black, Brown |
| Hardness | 6.5 - 7 |
| Crystal system | Orthorhombic |
| Streak | White |
| Lustre | Vitreous |
| Main Locations | China, Australia |
| Chakra | Root |
| Zodiac | Libra |
| Numerology | 3 |
| Planetary | Earth |
| Element | Earth |
