mineral
Mixed Mineral Collection (with Titanium Aura Quartz)
Silicon Dioxide (SiO2) with metallic coatings and various silicates
Hardness: 7 (Quartz basis); Colors: iridescent rainbow, white, blue, green; Luster: Vitreous to metallic (treated); Crystals: Hexagonal (Quartz), cubic/massive (others).
- Hardness
- 7 (Quartz basis)
- Luster
- Vitreous to metallic (treated)
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Physical properties
Hardness: 7 (Quartz basis); Colors: iridescent rainbow, white, blue, green; Luster: Vitreous to metallic (treated); Crystals: Hexagonal (Quartz), cubic/massive (others).
Formation & geological history
Quartz and Sodalite are natural minerals formed in igneous and metamorphic environments, but the bright iridescent specimen is human-processed through Physical Vapor Deposition (PVD).
Uses & applications
Predominantly used for ornamental purposes, crystal healing collections, jewelry, and decorative hobbyist items.
Geological facts
The rainbow specimen is 'Aura Quartz', created by bonding titanium or gold atoms to the surface of natural quartz crystals in a vacuum chamber. The collection also includes blue Sodalite and clear Quartz.
Field identification & locations
Commonly sold in gift shops and crystal boutiques. While the location near the Poland-Czech border (Sudetes region) is rich in natural agates and quartz, these specific tumbled specimens are commercial trade items.
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Other mineral specimens
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Schist
Schist
Metamorphic
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Gypsum (variety Selenite or Alabaster)
Calcium sulfate dihydrate (CaSO4·2H2O)
Mineral
Nephrite Jade
Nephrite
Mineral/Rock
Granite
Granite (Phaneritic intrusive igneous rock)
igneous