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Massive from Realgar in Matrix.
Realgar is a red-orange mineral. It is a very delicate mineral, if it is exposed to light for a certain time, it breaks up and pulverizes.
It was formerly used for medicinal purposes during the Middle Ages by alchemists. Today it is used in fireworks and pesticides.
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)
ATTENTION: It is a toxic mineral. Use under the supervision of an adult and wash your hands before and after.
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.