Hyalite Opal Specimen -Mexico Sphalerite this carving is dense

this carving is dense

Weight: 626g

Shattuckite is a copper silicate mineral that has been found in the Milpillas Mine in Sonora

Lapidaries carefully shape each piece into a symmetrical heart contour

Hyalite Opal Specimen -Mexico Sphalerite this carving is denseHyalite 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