http://www.earthporm.com/beautiful-minerals-and-stones/




7. Fluorite





8. Bismuth

Looks like the insides of a fancy computer chip, but Bismuth (Bismuthinite) is a naturally occurring chemical element resulting in a white, crystalline, brittle metal with a pink tint. The dense mineral is soft enough to easily incur scratches but is rather dense.





Much more at link at top!