
mineral
Yellow Aventurine
Quartz variety (SiO2) with inclusions
AI-generated identification · may be incorrectHardness: 7 on Mohs scale; Color: Yellow, golden brown, or honey-colored; Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal (microcrystalline); Cleavage: None; Specific Gravity: 2.63-2.65. Features 'aventurescence' due to mica inclusions.
- Hardness
- 7 on Mohs scale
- Color
- Yellow, golden brown, or honey-colored
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 7 on Mohs scale; Color: Yellow, golden brown, or honey-colored; Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal (microcrystalline); Cleavage: None; Specific Gravity: 2.63-2.65. Features 'aventurescence' due to mica inclusions.
Formation & geological history
Formed primarily as metamorphic quartzites or in hydrothermal veins where silica-rich fluids precipitate into cavities. The yellow color typically comes from inclusions of muscovite or goethite. Found in Precambrian to modern geological formations.
Uses & applications
Used extensively in jewelry as beads and cabochons, carved into decorative figurines and heart shapes, and used in metaphysical practices.
Geological facts
Yellow Aventurine is a variety of quartz characterized by its translucency and the presence of platy mineral inclusions that give a shimmering or glistening effect termed aventurescence. It is most commonly found in India.
Field identification & locations
Identify in the field by its hardness (scratches glass), waxy luster, and internal shimmering inclusions. Frequently found in riverbeds or as large chunks in metamorphic belts. Collectors look for uniform color and strong shimmer.
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