Rock Identifier
Aura Quartz Bead (Silicon dioxide (SiO2) with metal coating) — mineral with artificial coating
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
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Physical properties

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.

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.

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Other mineral with artificial coating specimens

Painted Rock / Geode Specimen (Silicon Dioxide with artificial pigment coating) — mineral

Painted Rock / Geode Specimen

Silicon Dioxide with artificial pigment coating

mineral
Likely polished black-and-white stone fragment (Indeterminate from image; possibly tourmalinated quartz, black-and-white jasper, or coated stone) — mineral

Likely polished black-and-white stone fragment

Indeterminate from image; possibly tourmalinated quartz, black-and-white jasper, or coated stone

mineral
Aura Quartz (Silicon Dioxide (SiO2) treated with metal vapor) — gemstone

Aura Quartz

Silicon Dioxide (SiO2) treated with metal vapor

gemstone
Red Painted Rock (Artificial Coated Lithic Fragment) — sedimentary

Red Painted Rock

Artificial Coated Lithic Fragment

sedimentary
Rainbow-coated amethyst (likely treated quartz) (Quartz, SiO₂; purple color from iron-related defects. The iridescent surface appears artificially coated, often with a titanium-based film.) — mineral

Rainbow-coated amethyst (likely treated quartz)

Quartz, SiO₂; purple color from iron-related defects. The iridescent surface appears artificially coated, often with a titanium-based film.

mineral
Iridescent red crystal cluster, likely aura-coated quartz (Quartz (SiO₂), possibly metal-coated; exact identification is uncertain from the photo) — mineral

Iridescent red crystal cluster, likely aura-coated quartz

Quartz (SiO₂), possibly metal-coated; exact identification is uncertain from the photo

mineral