Barite with Marcasite Slab DS1615 moon Ammolite is an exquisite and

Ammolite is an exquisite and rare gemstone that comes from the fossilized shells of ancient ammonite

or there could possibly be a completely different explanation

Locality: Owens Lake

This gemstone is often cut into cabochons

Barite with Marcasite Slab DS1615 moon Ammolite is an exquisite andBarite with Marcasite Slab Approx. Dimensions: 4. 25x2. 25x0. 25 inches Approx. Weight: 174 grams Locality: Lubin Mine, Legnica, Lower Silesia, Poland This lovely barite slab from Poland is polished on one side. It has a thick crust of marcasite on the top edge, and the brown barite is chatoyant as well as phosphorescent! When exposed to a long wave UV light, the barite will fluoresce but also hold that fluorescent charge for a few seconds after the