Brand: Cornerstone Educational Supply

Product Code:

Availability:In stock

$6.00 6.00

During testing activities, some minerals break easily (it's part of their physical nature). The Mineral Replacement Set includes one each of the following four soft minerals, numbered according to our Deluxe Mineral Kit:

  • Biotite mica

  • Calcite

  • Kaolin clay

  • Muscovite mica