3021 - Hardness Sample W/Test Kit Price: $19.95

Please find a dealer to place an order.

The determination of the hardness of a mineral can be an important step in identification. This kit includes a sample of a mineral with each of the hardness characteristics from 1-9 on the Moh's scale. It also includes the basic tools to identify hardness, an iron nail, a ceramic streak plate and a piece of glass. Instruction are included.