L542 calcite 18th-century Italian silver leaf church

18th-century Italian silver leaf church tassel with a mecca varnish which has aged overtime

Fishtail selenite is twin crystals of optical selenite that have grown together in the shape of angel wings

5" high x 7" wide x 3

citrine crystals on a lucite base

L542 calcite 18th-century Italian silver leaf churchFishtail selenite on lucite. Fishtail selenite is made up of 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: 14 wide x 8 high x 8 deep