Bismuth crystals
Sold Out
Bismuth crystal, UK
These fantastic shapes have not been cut or moulded. They are crystals of Bismuth (Bi, 83) and they just grew this way. The fascinating surface irridiscence is due to varying thicknesses of the bismuth oxide which formed during crystal growth, which has led to an interference effect.
Dim 4cmx2.5cmx3cm Item weight 54g. This photograph is of the item offered for sale