mineral
Goldstone
Man-made glass infused with copper crystals
AI-generated identification · may be incorrectHardness of 5.5-6 on the Mohs scale, reddish-brown color, vitreous luster, amorphous crystal structure, lacks cleavage, specific gravity around 2.4-2.6.
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Physical properties
Hardness of 5.5-6 on the Mohs scale, reddish-brown color, vitreous luster, amorphous crystal structure, lacks cleavage, specific gravity around 2.4-2.6.
Formation & geological history
Synthetically produced in a reducing chemical environment where molten glass, silica, and copper or metallic oxides are slowly cooled to precipitate reflective metal crystals.
Uses & applications
Widely used in affordable jewelry, beads, carvings, and decorative ornaments due to its striking starry appearance.
Geological facts
Legend claims goldstone was accidentally invented by 17th-century Italian monks, though similar glassmaking dates back to ancient Persia.
Field identification & locations
Easily identified by its intense, uniform metallic glitter suspended within a translucent reddish-brown glass matrix; found exclusively in commercial shops rather than nature.
