gemstone
Chevron Amethyst
Silicon Dioxide (SiO2) with Fe3+ impurities
Hardness: 7 (Mohs scale); Color: V-shaped bands of purple and white/clear; Luster: Vitreous; Crystal system: Trigonal; Cleavage: None/Conchoidal fracture.
- Hardness
- 7 (Mohs scale)
- Color
- V-shaped bands of purple and white/clear
- Luster
- Vitreous
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Physical properties
Hardness: 7 (Mohs scale); Color: V-shaped bands of purple and white/clear; Luster: Vitreous; Crystal system: Trigonal; Cleavage: None/Conchoidal fracture.
Formation & geological history
Formed in hydrothermal veins or cavities within volcanic and metamorphic rocks. The chevron pattern occurs during the crystallization process through alternating layers of amethyst and milky quartz, often reflecting changes in temperature or mineral supply.
Uses & applications
Primarily used for decorative purposes, jewelry (pendants, beads), lapidary art, and widely sought by collectors and those interested in metaphysical practices.
Geological facts
Also known as Dream Amethyst or Banded Amethyst, it is essentially a combination of Amethyst and White Quartz. It is one of the most popular varieties of quartz due to its striking geometric patterns.
Field identification & locations
Identified by the distinct V-shaped white bands against a purple background. It is commonly sourced from Brazil, India, and Russia. Collectors look for sharp, high-contrast banding and deep violet colors.
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