
mineral
Dream Amethyst (Chevron Amethyst)
Silicon Dioxide (SiO2) with impurities of Iron (Fe3+)
Hardness: 7 on Mohs scale; Color: Banded purple (amethyst) and white (quartz); Luster: Vitreous/glassy; Crystal Structure: Hexagonal (trigonal); Cleavage: None (conchoidal fracture); Specific Gravity: 2.65
- Hardness
- 7 on Mohs scale
- Color
- Banded purple (amethyst) and white (quartz)
- Luster
- Vitreous/glassy
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Physical properties
Hardness: 7 on Mohs scale; Color: Banded purple (amethyst) and white (quartz); Luster: Vitreous/glassy; Crystal Structure: Hexagonal (trigonal); Cleavage: None (conchoidal fracture); Specific Gravity: 2.65
Formation & geological history
Formed in hydrothermal veins or volcanic cavities (geodes) where silica-rich fluids deposit layers over time. The 'chevron' bands occur when amethyst and white quartz crystallize in alternating cycles. Most specimens date from the Mesozoic era to the present.
Uses & applications
Primarily used in jewelry (beads, cabochons), carvings, and as a popular collector specimen. Frequently used in metaphysical practices as a 'sobriety stone' or for meditation.
Geological facts
Also known as Banded Amethyst or Chevron Amethyst, it is unique because it combines the stress-relieving properties of amethyst with the amplifying qualities of clear/white quartz in a naturally occurring V-shaped pattern.
Field identification & locations
Identify in the field by the distinct 'teeth' or V-shaped banding of white quartz against deep purple. Commonly found in Brazil, Uruguay, Africa, and India. It is durable enough to scratch glass.
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