Chevron Amethyst
Quartz var. Chevron Amethyst · Semi-Precious Gemstone
Crystal System
Trigonal system, massive habit with banded structure
Mineral Group
Silicates, specifically Tectosilicates
Chemical Formula
SiO2 with trace iron impurities
Formation Process
Hydrothermal activity in volcanic cavities and pegmatites
About This Crystal
Tumbled stone featuring distinct V-shaped or chevron-like bands of violet-purple quartz intergrown with white milky quartz, translucent to opaque with a vitreous to waxy luster
Physical Characteristics
Purple and white color, white streak, no distinct cleavage, conchoidal fracture, specific gravity around 2.65, brittle tenacity, hardness of 7 on the Mohs scale
Optical Properties
Uniaxial positive optical character, doubly refractive with weak birefringence
Hardness & Durability
Origin Region
Brazil, Madagascar, South Africa, and India
Hardness & Durability
Mohs hardness of 7, making it durable for daily jewelry wear with no significant cleavage concerns
Care & Maintenance
Clean with warm soapy water, avoid prolonged direct sunlight to prevent color fading, store separately to avoid scratching softer stones
Rarity & Value
Common, widely accessible and affordable, with value determined by the distinctness of the chevron pattern and color saturation
Special Characteristics
Distinct banded chevron pattern combining amethyst and white quartz, sometimes displaying faint piezoelectric properties
Lore & History
Used traditionally for spiritual growth, stress relief, and third-eye chakra alignment, though these are metaphysical beliefs and not scientific claims