mineral with artificial coating

Aura Quartz Bead

Silicon dioxide (SiO2) with metal coating

AI-generated identification · may be incorrect

Hardness: 7 (quartz base). Color: Iridescent, showing metallic colors like blue, green, and purple. Luster: Metallic to vitreous. Crystal structure: Hexagonal (trigonal) - typically fashioned into a bead here.

Hardness: 7 (quartz base)
Luster: Metallic to vitreous

Identified July 19, 2026More mineral with artificial coating →

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Physical properties

Formation & geological history

Base material is natural quartz formed in igneous, metamorphic, or sedimentary environments. The iridescent effect is created artificially by bonding vaporized metals (like titanium, niobium, or gold) to the surface of the quartz in a vacuum chamber.

Uses & applications

Primarily used in jewelry making and as decorative elements. Often used in new age practices.

Geological facts

Aura quartz is a popular example of a natural mineral enhanced by human technology. Different metal combinations produce different colors, such as 'Aqua Aura' (gold) or 'Titanium Aura' (titanium).

Field identification & locations

Identified by its bright, metallic iridescence on a quartz base. The coating can sometimes be scratched or worn off, revealing the clear or milky quartz beneath.