gemstone
Dream Amethyst (Chevron Amethyst)
Silicon Dioxide (SiO2) with iron impurities
Hardness: 7 (Mohs scale); Color: Purple with white V-shaped bands; Luster: Vitreous (glassy); Crystal Structure: Hexagonal (trigonal); Cleavage: None; Specific Gravity: 2.65
- Hardness
- 7 (Mohs scale)
- Color
- Purple with white V-shaped bands
- Luster
- Vitreous (glassy)
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Physical properties
Hardness: 7 (Mohs scale); Color: Purple with white V-shaped bands; Luster: Vitreous (glassy); Crystal Structure: Hexagonal (trigonal); Cleavage: None; Specific Gravity: 2.65
Formation & geological history
Forms in geothermal environments, typically within volcanic basalt cavities. The chevron pattern is a result of alternating layers of amethyst and milky quartz or white quartzite crystallizing in successive pulses.
Uses & applications
Predominantly used for jewelry, lapidary arts (cabochons/tumbled stones), and as a popular metaphysical or decorative collecting specimen.
Geological facts
Also known as Chevron Amethyst or Banded Amethyst, it is one of the few stones that combines the properties of Amethyst and White Quartz. The banding creates a striking 'V' or 'Chevron' pattern, hence the name.
Field identification & locations
Identified by its distinctive angular white quartz banding against deep purple amethyst. Highly common in Brazil, Uruguay, and Africa. Collectors should look for sharp, high-contrast banding and deep coloration.
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