Marcasite is a polymorph of Pyrite, meaning has the same chemical formula as Pyrite, but a different crystal structure. In the jewellery trade Pyrite used in jewellery is known as Marcasite, and this is different to the mineral Marcasite.
| Alternative Names | N/A |
| Colour | Gold, White |
| Hardness | 6 - 6.5 |
| Crystal system | Orthorhombic |
| Streak | Grayish Black |
| Lustre | Metallic |
| Main Locations | Belgium, France |
| Chakra | Root |
| Zodiac | Leo |
| Numerology | 8 |
| Planetary | Mercury, Venus |
| Element | Spirit |
