Blue Goldstone

Physical Properties

Hardness: 5.5-6 (Mohs scale); Color: Deep indigo blue with glittery reflecting inclusions; Luster: Vitreous (glassy); Crystal Structure: Amorphous (non-crystalline glass); Specific Gravity: ~2.5

Formation & Geological History

Created in a low-oxygen reducing atmosphere; blue versions use cobalt or manganese combined with copper/silica. Originally popularized in 17th-century Venice (Murano glass).

Uses & Applications

Primarily used in jewelry (rings, pendants), beads, figurines, and healing crystal collections.

Geological Facts

Despite its name, it is a synthetic glass and not a natural stone. The 'gold' name comes from the glittery effect produced by metallic inclusions through a process called aventurescence.

Field Identification & Locations

Identify byIts intense, uniform 'galaxy' glitter effect and lack of natural mineral inclusions. It is found in stores worldwide rather than geological field sites.

Identified on: 4/15/2026

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