Hyalite Opal Crystal Specimen in Box Palm Stone Intaglio carving is the process

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

A large tower of mixed Amethyst and Lace Agate

Stretch gauge is 13mm / hanging gauge is 11mm

2 (9cm x 6

Hyalite Opal Crystal Specimen in Box Palm Stone Intaglio carving is the processHyalite 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