Collection of 12 minerals (Talc, Selenite, Gypsum, Calcite, Copper, Fluorite, Apatite, Feldspar, Quartz, Amethyst, Topaz, Corundum and Diamond) mounted in a 4x4 cm box. with indication of the name of the mineral and numbered according to its hardness on the Mohs Scale. This collection is accompanied by a special presentation for a natural diamond. Own manufacturing. Measurements: 24 x 20.5 x 3 cm
