Some of you may have seen these photos....they have been circulating via e-mail over the last few weeks. Pretty amazing....probably the largest selenite (CaSO 4 ·2H 2 O) crystals found, i'd imagine.

Sodium selenite (Na 2 SeO 3) is a toxic inorganic salt that is highly soluble in water and insoluble in organic solvents. The crystal structure of the anhydrous salt has been variously reported as ...

This is a preview. Log in through your library . Abstract Previous investigation of prehistoric activity in Mammoth Cave and Salts Cave (Mammoth Cave National Park, Kentucky) led to conclusions about ...