mineral
Purple druzy quartz (likely dyed or coated)
Quartz, SiO₂ (trigonal crystal system)
AI-generated identification · may be incorrectA small, irregular slab covered with sparkling purple microcrystals. Quartz has Mohs hardness 7, vitreous luster, no cleavage, and specific gravity about 2.65; the vivid uniform color may be enhanced.
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Physical properties
A small, irregular slab covered with sparkling purple microcrystals. Quartz has Mohs hardness 7, vitreous luster, no cleavage, and specific gravity about 2.65; the vivid uniform color may be enhanced.
Formation & geological history
Druzy quartz forms as tiny crystals lining a cavity in rock as silica-rich fluids cool. The image does not establish the specimen’s age or whether its color is natural.
Uses & applications
Used in jewelry, decorative pieces, and mineral collections.
Geological facts
“Druzy” describes a coating of many small crystals rather than a separate mineral species.
Field identification & locations
Look for a dense surface of individually sparkling quartz crystals; natural amethyst typically shows more varied purple tones. Druzy quartz occurs in geodes and mineralized cavities worldwide, including Brazil and Uruguay.
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