Hematite is an iron oxide mineral. It has a hexagonal crystal system and a hardness of 5 - 6. It's name is derived from a Greek word for blood, which refers to it's colour in powder form.
Hematite is one of the most effective stones for grounding. It is said to counteract spaciness and confusion, help one notice concerns and to move forward with useful action, balance the auric field and align all chakras.