gemstone
Mystic Topaz (Treated Quartz or Topaz)
Silicate Mineral (SiO2 or Al2SiO4(F,OH)2) with Titanium coating
AI-generated identification · may be incorrectHardness: 7-8 (Mohs); Color: Iridescent multihued (rainbow); Luster: Vitreous; Crystal structure: Trigonal or Orthorhombic; Specific gravity: 2.65-3.5
- Hardness
- 7-8 (Mohs)
- Color
- Iridescent multihued (rainbow)
- Luster
- Vitreous
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Physical properties
Hardness: 7-8 (Mohs); Color: Iridescent multihued (rainbow); Luster: Vitreous; Crystal structure: Trigonal or Orthorhombic; Specific gravity: 2.65-3.5
Formation & geological history
The base mineral forms in igneous pegmatites or metamorphic rocks. The 'mystic' effect is created through a modern Thin Film Deposition (TFD) process where a layer of titanium is bonded to the pavilion.
Uses & applications
Primarily used in decorative jewelry like rings and pendants due to its unique optical properties.
Geological facts
The 'Mystic' effect is not natural; it was first developed by Azotic Coating Inc. in the late 1990s. While beautiful, the coating can be scratched or worn off over time.
Field identification & locations
Identify by the distinct 'oil-on-water' rainbow shimmer. It is a popular commercial gemstone found in global markets rather than sourced as-is from the field.
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