Hyalite Opal is a rare, clear, and glass-like variety of opal that lacks a traditional play-of-color. Highly prized by collectors, it is best known for its vivid neon-green fluorescence under UV light, which is caused by trace amounts of Uranium trapped within its silica structure.
This specimen comes in a protective box with identification label.
Crystal measures approx. 2cm x 1.4cm x 1.3cm. Box measures 3.5cm x 3.5cm x 3.5cm.
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