Hyalite Opal Specimen -Mexico Feldspar This small slab is polished

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

This unique mineral specimen features cubic pyrite a few with hints of galena

showcasing many stunning crystal points

Approximate Size: 4in x 3in x 2in

Weight: 626g

Hyalite Opal Specimen -Mexico Feldspar This small slab is polishedHyalite 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