mineral
Goldstone
Man-made glass with copper inclusions
AI-generated identification · may be incorrectHardness of 5.5 on the Mohs scale, reddish-brown color, metallic luster, amorphous crystal structure, and a distinct sparkling appearance.
Identified More mineral →
Explore Goldstone in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 5.5 on the Mohs scale, reddish-brown color, metallic luster, amorphous crystal structure, and a distinct sparkling appearance.
Formation & geological history
Created in seventeenth-century Venice through a serendipitous process of adding copper filings to molten glass.
Uses & applications
Widely used in beads, carvings, and affordable jewelry for its glittering appearance.
Geological facts
Legend states it was accidentally invented by Italian monks working in alchemy.
Field identification & locations
Easily identified by its intense metallic glitter suspended in a translucent glass matrix; found globally in novelty shops.
More like this
Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous