Mystic Quartz

Quartz

By Tim Matthews, JD, FGA, GG, DGA,
CEO and President of JTV (retired)
Published: June 2014
Modified: April 2024
Mystic Quartz Polished Mystic Quartz Jewelry

The chemical vapor deposition (CVD) process deposits a thin film onto part of the surface of a colorless quartz gemstone. This creates an eye-catching rainbow effect as light passes through the gem, resulting in an unbelievable array of colors.

General Information

Common Name
Mystic Quartz
Species
Quartz
Transparency
Transparent
Dispersion
Strength: None
Refractive Index
1.544-1.553
Polariscope Reaction
Doubly Refractive (DR)
Fluorescence
SWUV: Inert
LWUV: Inert
Pleochroism
None
Hardness
7
Streak
None
Toughness
Good
Inclusions
Might have liquid inclusions or healed fractures.
Luster
Vitreous
Stability
Fair
Fracture
Conchoidal
Cleavage
None
Chemical Name
silicon dioxide (aka silica)
Chemical Formula
SiO2
Crystal System
Trigonal
Chemistry Classification
Silicate

Mystic Quartz Colors

  • Bi-color Mystic Quartz
    Bi-color
  • Black Mystic Quartz
    Black
  • Blue Mystic Quartz
    Blue
  • Brown Mystic Quartz
    Brown
  • Colorless Mystic Quartz
    Colorless
  • Gray Mystic Quartz
    Gray
  • Green Mystic Quartz
    Green
  • Multi-color Mystic Quartz
    Multi-color
  • Orange Mystic Quartz
    Orange
  • Pink Mystic Quartz
    Pink
  • Purple Mystic Quartz
    Purple
  • Red Mystic Quartz
    Red
  • White Mystic Quartz
    White
  • Yellow Mystic Quartz
    Yellow

Countries of Origin

Unknown; Brazil

Care

The coating that gives this stone its rainbow should not be re-polished, scratched, or chipped. Gentle rinsing in warm water should be all you need to keep it bright. Keep your mystic quartz free of perfumes, lotions, and chemicals.