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The Science Museum of Minnesota

Purple Aura Quartz $6.00

Prix habituel $6.00 USD
Prix habituel Prix soldé $6.00 USD
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These pieces are natural quartz that have been treated with a thin metallic coating to create a vibrant purple iridescent finish, known as “aura quartz.” The treatment involves bonding metals such as titanium or platinum to the quartz surface, producing a rainbow-like effect while preserving the clarity and structure of the crystal.

Details:

  • Material: Natural quartz (SiO₂) with metallic aura coating
  • Form: Loose pieces, varying in size
  • Appearance: Transparent to translucent quartz with a vivid purple iridescent sheen
  • Formation: Quartz naturally crystallizes from silica-rich fluids; the aura effect is created artificially through vapor deposition of metals
  • Physical Properties: Mohs hardness 7; vitreous luster; smooth, durable surface
  • Educational Value: Demonstrates natural quartz crystallization alongside human-applied surface treatments that alter optical properties

These purple aura quartz pieces combine natural mineral structure with colorful visual effects, making them ideal for display, educational purposes, or collection.