Hyalite Opal Specimen

Hyalite Opal Specimen (Gram Weight) ~ These vivid Hyalite Opal specimens from Mexico have a green glow when they're exposed to UV rays and remain translucent crystals in incandescent light. These specimens will have some areas of grape-like botryoidal growth and all will range in translucence with clear to milky or gold coloring.This listing is for ONE (1) intuitively chosen crystal. Each piece has been handpicked and examined for quality. The photography used is a representation of our collection, the unique specimen you receive will be similar to the stones pictured and will have its own individual traits. Specimens categorized by weight don’t have specific size measurements provided, as each piece has a different shape and mass. Hyalite is a special, colorless variety of Opal that grows in volcanic formations! Although these Mexican stones do not show typical opalescence, they have their own unique trait - fluorescence! Hyalite contains trace amounts of uranium within its silica str