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Size: 79x60x49mm
it also reacts beautifully to longwave UV
Stand not included
Possibly some Stilbite and/or heulandite in this specimen
Hyalite Opal Specimen -Mexico Mariposa Size: 79x60x49mmHyalite 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
