metamorphic
Peach Aventurine
Silicon Dioxide (SiO2) with inclusions
Hardness: 6.5-7 Mohs; Color: Orange to peach; Luster: Vitreous to waxy; Crystal structure: Trigonal; Cleavage: None; Aventurescence: Shimmering effect caused by mineral inclusions.
- Hardness
- 6
- Color
- Orange to peach
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 6.5-7 Mohs; Color: Orange to peach; Luster: Vitreous to waxy; Crystal structure: Trigonal; Cleavage: None; Aventurescence: Shimmering effect caused by mineral inclusions.
Formation & geological history
Formed through the regional metamorphism of sandstone into quartzite, where small inclusions of Muscovite or Hematite/Goethite provide the distinct orange-peach color and glittering effect.
Uses & applications
Primarily used in jewelry, lapidary carvings (like this star shape), decorative items, and metaphysical practices.
Geological facts
The peach hue is typically the result of Hematite or Goethite inclusions within the quartz matrix. The term 'aventurescence' comes from the Italian 'a ventura', meaning 'by chance'.
Field identification & locations
Identified by its glittering shimmer when rotated under light and its characteristic peachy-orange color. Found commonly in India, Brazil, and Russia. Collectors look for uniform color and strong shimmer.
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