Quartz • Macrocrystalline Quartz

Amethyst

Lilac lavender to deep royal purple, often with angular color zoning aligned with rhombohedral crystal faces.

SiO₂ + Fe³⁺/Fe⁴⁺ color centersMohs 7.0 Mohs

Mineralogical & Gemological Profile

Mineral Family	Quartz
Mineral Species	Macrocrystalline Quartz
Gemological Variety	Amethyst
Chemical Composition	`SiO₂ + Fe³⁺/Fe⁴⁺ color centers`
Crystal System	Trigonal
Mohs Hardness	7.0 Mohs
Specific Gravity	2.65
Refractive Index	1.544 – 1.553

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Color Characteristics & Optical Behavior

Lilac lavender to deep royal purple, often with angular color zoning aligned with rhombohedral crystal faces.

Geological Context & Pakistani / Global Localities

Forms in volcanic basalt geodes, hydrothermal veins, and alpine clefts globally.

Collector Interest & Rarity Factors

Sceptered crystals, deep Siberian-hue purple stones with red/blue flashes, and pristine geode clusters.

Fine Jewelry Applications

Highly versatile for rings, pendants, earrings, and carved intaglios.

Treatment Considerations & Disclosure

Most purple amethyst is untreated, though heating amethyst can turn it yellow (heat-treated citrine) or green (prasiolite). Prolonged strong UV exposure can slowly fade color.

Care & Cleaning Instructions

Clean with warm soapy water; avoid prolonged exposure to intense direct sunlight or heat.

Traditional Meaning

Traditional Symbolism & Cultural Heritage

From the Greek 'amethystos' (not intoxicated), traditionally associated with composure, clear judgment, and serenity. February birthstone.

Note: Cultural and birthstone traditions are presented strictly as historical folklore, never as scientifically verified medical or metaphysical effects.

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