mineral
Chevron Amethyst
Silicon Dioxide with Iron Impurities (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale; purple and white banded color; vitreous luster; hexagonal crystal system; no cleavage; specific gravity of 2.65
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Physical properties
Hardness of 7 on the Mohs scale; purple and white banded color; vitreous luster; hexagonal crystal system; no cleavage; specific gravity of 2.65
Formation & geological history
Forms in hydrothermal veins or cavities in volcanic rocks where silica-rich fluids cool and precipitate quartz crystals with alternating layers of white quartz and purple amethyst, often over millions of years.
Uses & applications
Used in jewelry, ornamental carvings, crystal healing, and as a collectible mineral specimen.
Geological facts
Chevron amethyst combines the magnifying and strengthening properties of white quartz with the stress-relieving properties of amethyst, creating a distinct V-shaped or striped pattern.
Field identification & locations
Easily identified in the field by its distinct chevron (V-shaped) or striped purple and white banding. Commonly found in Brazil, Madagascar, South Africa, and the USA.
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