Hyalite Opal Specimen -Mexico Feldspar Approximate Size: 4in x 3in

Approximate Size: 4in x 3in x 2in

Black Hematite: An iron oxide mineral that contributes metallic

This small slab is polished on both sides and is very translucent

Each specimen may also include chrysocolla and/or quartz

Hyalite Opal Specimen -Mexico Feldspar Approximate Size: 4in x 3inHyalite Opal on agate matrix Hyalite opal is an unusual variety of opal found in various volcanic locations around the world. Because of its unique structure, you won't find any opalescence or "play of color" that traditional opals are known for. Instead, hyalite opal impresses when viewed under both Longwave and Shortwave ultraviolet light, fluorescing a strong green color. Its formation can be classified as amorphous, botryoidal and globular. Its