mineral

Blue goldstone beads

Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli

AI-generated identification · may be incorrect

Dark cobalt-blue, glassy/vitreous luster with reflective golden copper flecks; amorphous rather than crystalline, hardness about 5.5–6 Mohs, no cleavage, specific gravity roughly 2.4–2.6. The spherical, uniformly colored beads indicate polished material.

Identified August 7, 2026More mineral →

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Physical properties

Formation & geological history

Blue goldstone is an artificial glass produced by reducing copper compounds in molten silica-rich glass; it is not a naturally formed rock and has no geological age. It is commonly manufactured in Italy, China, and elsewhere.

Uses & applications

Used extensively for beads, cabochons, ornaments, and inexpensive jewelry; it is valued for its glittering appearance and durability.

Geological facts

Its aventurescent sparkle comes from tiny metallic copper crystals. It is often misidentified as lapis lazuli, sodalite, or blue aventurine.

Field identification & locations

Identify it by the evenly distributed glitter, translucent-to-opaque blue glass body, spherical bead drilling, and absence of natural grain or crystal boundaries. Natural lapis usually shows white calcite or pyrite and has a softer, more irregular appearance.