Rock Identifier
Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass) (Silicon Dioxide (SiO2) with metallic inclusions) — man-made material
man-made material

Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)

Silicon Dioxide (SiO2) with metallic inclusions

Hardness: 5.5-6 (Mohs scale); Color: cobalt blue with internal metallic foil/glitter; Luster: Vitreous; Structure: Amorphous; Cleavage: none (conchoidal fracture).

Hardness
5
Color
cobalt blue with internal metallic foil/glitter
Luster
Vitreous
Identified More man-made material

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Physical properties

Hardness: 5.5-6 (Mohs scale); Color: cobalt blue with internal metallic foil/glitter; Luster: Vitreous; Structure: Amorphous; Cleavage: none (conchoidal fracture).

Formation & geological history

Formed through a synthetic melting process where copper or other metallic elements are crystallized in a cooling melt of glass; modern geological age (anthropogenic).

Uses & applications

Primarily used in jewelry making, fashion accessories, and decorative beadwork due to its aesthetic appeal and low cost compared to natural gemstones.

Geological facts

Also known as Blue Goldstone, this material was originally discovered by accident in 17th-century Venice by monks or alchemists attempting to make gold.

Field identification & locations

Identify by looking for uniform glittery internal reflections (aventurescence) and smooth, rounded surfaces without natural crystalline growth patterns; found in craft and jewelry markets globally.