mineral

Mystic Topaz

Aluminum Silicate Fluoride Hydroxide (Al2SiO4(F,OH)2) with metallic film coating

Hardness: 8 (Mohs scale); Color: Iridescent greens, purples, and blues; Luster: Vitreous; Crystal Structure: Orthorhombic; Cleavage: Perfect basal

Hardness: 8 (Mohs scale)
Color: Iridescent greens, purples, and blues
Luster: Vitreous

Identified June 7, 2026More mineral →

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Physical properties

Hardness: 8 (Mohs scale); Color: Iridescent greens, purples, and blues; Luster: Vitreous; Crystal Structure: Orthorhombic; Cleavage: Perfect basal

Formation & geological history

Natural colorless topaz is found in pegmatites and high-temperature quartz veins. The 'Mystic' effect is man-made via a thin-film deposition process called CVD (Chemical Vapor Deposition) applied to the base of the faceted natural stone.

Uses & applications

Used exclusively in jewelry settings such as pendants, rings, and earrings for its aesthetic appeal.

Geological facts

Mystic topaz is not a naturally occurring color; it was first seen at the Hong Kong Jewelry Fair in 1998. The coating is only a few microns thick and can be scratched if not handled carefully.

Field identification & locations

Identified by its rainbow-like pavonine luster and intense color play on a transparent base. Natural topaz is found in Brazil, Russia, and the USA, but the 'Mystic' treatment is performed in laboratories.

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