Crystallized light blue Baryte or Baryte.
The main use of barite is in the oil industry, in the production of hydrogen peroxide, and it also has important applications in the paint industry as an acid-resistant pigment.
The mineral includes a label with the name and origin and is attached to a cardboard box. 4 cm square.
*The price is per unit (a single cardboard box of the four shown in the photo)
Since the minerals are natural, you will receive a piece similar to the one in the photograph. The minerals come in cardboard boxes and are glued to a porex base with hot silicone; these can be removed using ethyl alcohol without damaging the mineral. The size is approximate.