Amethyst (Chevron Amethyst/Dream Amethyst)

Physical Properties

Hardness: 7 (Mohs scale); Color: Purple with white quartz banding; Luster: Vitreous/glassy; Crystal Structure: Trigonal/Hexagonal; Cleavage: None/Conchoidal fracture; Specific Gravity: 2.65

Formation & Geological History

Forms in hydrothermal veins or geodes when silica-rich solutions crystallize. High-grade amethyst gets its color from gamma radiation and iron impurities. Chevron varieties form through alternating layers of white quartz and amethyst.

Uses & Applications

Primarily used in jewelry, ornamental carvings, crystal healing, and as a popular mineral specimen for collectors.

Geological Facts

Amethyst is the birthstone for February. Ancient Greeks believed it could prevent intoxication, hence the name 'amethystos' which means 'not drunken'.

Field Identification & Locations

Identify by its characteristic purple color and V-shaped (chevron) white quartz banding. It is harder than glass (can scratch a glass bottle) and lacks cleavage planes.

Identified on: 4/23/2026

Mode: Standard