Scientist Names Stones You Shouldn't Take Home Sometimes we bring back beautiful pebbles from our hikes, but some of them can be harmful to health because they literally contain poisons. For example, such a stone is cinnabar. The crimson beauty is actually mercury sulfide with a metal content of about 86%. And bright orpiment is sometimes sold as a "pretty stone", but it is yellow-golden arsenic sulphide. Physics teacher Alexander Vorobyov spoke in more detail about the AIF topic.

Scientist Names Stones You Shouldn't Take Home Sometimes we bring back beautiful pebbles from our hikes, but some of them can be harmful to health because they literally contain poisons. For example, such a stone is cinnabar. The crimson beauty is actually mercury sulfide with a metal content of about 86%. And bright orpiment is sometimes sold as a "pretty stone", but it is yellow-golden arsenic sulphide. Physics teacher Alexander Vorobyov spoke in more detail about the AIF topic.