mineral

Aquamarine with Quartz

Beryl (Be3Al2Si6O18) with Quartz (SiO2)

AI-generated identification · may be incorrect

Hardness: 7.5-8 (Aquamarine), 7 (Quartz); Color: Pale blue to sea-green Beryl and translucent white Quartz; Luster: Vitreous; Crystal Structure: Hexagonal (Beryl), Trigonal (Quartz); Cleavage: Imperfect basal; Specific Gravity: 2.6-2.9.

Hardness: 7
Color: Pale blue to sea-green Beryl and translucent white Quartz
Luster: Vitreous

Identified March 11, 2026More mineral →

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Physical properties

Formation & geological history

Formed in granitic pegmatites through hydrothermal processes as magma cools. These late-stage fluids are rich in beryllium. Geologically, many specimens come from deposits ranging from 100 million to 500 million years old.

Uses & applications

Used primarily in jewelry (faceted or cabochons) and as decorative mineral specimens for collectors. High-quality beryl is also a source of beryllium used in aerospace and electronics.

Geological facts

The name aquamarine is derived from the Latin 'aqua marina', meaning 'sea water'. Historically, sailors carried the stone to protect them from the perils of the sea and to prevent seasickness.

Field identification & locations

Identify by its characteristic pale blue color and hexagonal crystal form often found embedded in white quartz or feldspar matrix. Common locations include Brazil, Pakistan, Vietnam, and the United States (Colorado).