mineral

Yellow Aventurine

Quartz (Silicon Dioxide) with Mica inclusions (SiO2)

Hardness: 7 on Mohs scale; Color: Yellow to honey-gold; Luster: Vitreous to waxy; Crystal Structure: Trigonal (often occurs in massive form); Cleavage: None; Specific Gravity: 2.64-2.69

Hardness: 7 on Mohs scale
Color: Yellow to honey-gold
Luster: Vitreous to waxy

Identified May 3, 2026More mineral →

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Physical properties

Hardness: 7 on Mohs scale; Color: Yellow to honey-gold; Luster: Vitreous to waxy; Crystal Structure: Trigonal (often occurs in massive form); Cleavage: None; Specific Gravity: 2.64-2.69

Formation & geological history

Formed through the metamorphism of sandstone or as a secondary mineral in igneous rocks, where mica or other platy minerals are trapped within the quartz as it crystallizes. Found in various geological ages.

Uses & applications

Primarily used for ornamental carvings, jewelry (beads and cabochons), and as a popular stone in the metaphysical and gemstone collecting community.

Geological facts

The name 'Aventurine' comes from the Italian 'a ventura', meaning 'by chance', originally referring to the accidental discovery of aventurine glass in the 18th century. Its characteristic shimmer is called aventurescence.

Field identification & locations

Identify by its characteristic shimmer (aventurescence) and hardness that scratches glass. Commonly found in India, Brazil, Russia, and Spain. Look for its translucent nature and small sparkly inclusions.

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