Taur Stone

Taur Stone (タウル) is a mineral found in Tortus.

Description
Taur Stone is a black, hard rock. On the that measures a mineral's hardness, with ten being the highest rank, Taur Stone would be eight. It is able to handle heat and direct impacts well, but is weak to the cold. Cooling the stone makes it brittle and fragile. However, reheating it will restore its hardness.