mineral
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial purple dye
AI-generated identification · may be incorrectHardness: 7 on Mohs scale (quartz base). Color: Deep intense purple/violet from artificial pigment. Luster: Vitreous to dull. Crystal structure: Trigonal (microcrystalline/small quartz points lining cavity). Cleavage: None.
- Hardness
- 7 on Mohs scale (quartz base)
- Color
- Deep intense purple/violet from artificial pigment
- Luster
- Vitreous to dull
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Physical properties
Hardness: 7 on Mohs scale (quartz base). Color: Deep intense purple/violet from artificial pigment. Luster: Vitreous to dull. Crystal structure: Trigonal (microcrystalline/small quartz points lining cavity). Cleavage: None.
Formation & geological history
Formed as a natural quartz geode in basaltic or sedimentary host rock through hydrothermal precipitation. The natural specimen was subsequently cut open and soaked in a purple chemical dye solution to enhance its color.
Uses & applications
Popular for home decor, crystal healing, metaphysical practices, costume jewelry, and novelty gift items.
Geological facts
Natural amethyst geodes have distinct hexagonal crystal terminations, whereas dyed quartz geodes often feature fine, sugary quartz crystals (druzy) coated uniformly with dye that pools in fractures and crevices.
Field identification & locations
Can be identified in the field or shop by checking for unnatural, oversaturated dye concentration in cracks, underlying white host rock, and lack of typical natural amethyst crystal geometry. Commonly exported from Morocco or Brazil.
