mineral
Blue goldstone (man-made glass)
Copper-bearing aventurine glass; synthetic silicate glass
AI-generated identification · may be incorrectTumbled, opaque dark blue glass with glittering copper-colored inclusions and a glassy luster. Hardness is typically about 5.5–6 on the Mohs scale; it has no natural crystal structure or cleavage.
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Physical properties
Tumbled, opaque dark blue glass with glittering copper-colored inclusions and a glassy luster. Hardness is typically about 5.5–6 on the Mohs scale; it has no natural crystal structure or cleavage.
Formation & geological history
Manufactured by melting silica-rich glass with copper compounds, then cooling it to create reflective crystals; it is not a naturally formed geological specimen.
Uses & applications
Used for beads, jewelry, ornaments, and decorative carvings; inexpensive and widely available.
Geological facts
Despite its mineral-like sparkle, blue goldstone is man-made and is not a natural stone or mineral.
Field identification & locations
The uniformly distributed glitter and smooth, glassy appearance are characteristic; natural locations do not apply. Common tumbled pieces typically sell for about $2–$15 USD.
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