Hyalite Opal Crystal Specimen in Box Palm Stone unstable crystallization

unstable crystallization

Intaglio carving is the process of etching out a design from the rear

A large tower of mixed Amethyst and Lace Agate

which is caused by the inclusion of Red Rutilated Hematite

Hyalite Opal Crystal Specimen in Box Palm Stone unstable crystallizationHyalite 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. 2. 8cm x 1. 7cm x 1. 3cm. Box measures 3. 5cm x 3. 5cm x 3. 5cm. Please choose