Pruskite

Pruskite does not grow naturally but is grown under lab conditions in Poland. It’s color, yellow or red, is natural and is the result of the iron inside the minerals composition. But be aware that the yellow color might fade under direct sunlight. The chemical compound for this mineral is used to develop film the old fashioned way and is used as an additive to road salt.

This Pruskite specimen is 2″ in length, 2″ in height and 2″ wide.