L533 calcite 17th century Italian fragment mounted

17th century Italian fragment mounted with fossil rose sea coral

75" wide x

the spolvero prints have become a work of art in their own right

11" tall x 11" wide x 11" deep

75” high x 6” wide x 3

L533 calcite 17th century Italian fragment mountedFishtail selenite in its matrix on lucite. Fishtail selenite is made up twin crystals of optical selenite that have grown together in the shape of angel wings or "fishtails." This crystalline form of selenite gypsum is comprised of striations that look like optical light fibers. Unusual in size, these specimens have been mined by hand in Mexico. Size: 13 high x 13 wide x 7. 5 deep 23 lbs