Mineral Hardness Collection [0101000781]

Mineral Hardness Collection

Collection of 12 minerals (Talc, Selenite, Gypsum, Calcite, Copper, Fluorite, Apatite, Feldspar, Quartz, Amethyst, Topaz, Corundum and Diamond) in 4x4 cm box and a special presentation for a diamond in the raw state.

The boxes are numbered according to Mohs' scale hardness.

Self made.

Size: 24 x 20.5 x 3 cm.