gemstone

Amethyst and aquamarine gemstone bracelet

Amethyst: purple quartz, SiO₂; blue beads likely aquamarine/blue quartz, with possible metallic spacer beads

AI-generated identification · may be incorrect

Amethyst is Mohs 7, purple, glassy-lustrous, trigonal quartz with no cleavage; aquamarine is beryl, Be₃Al₂Si₆O₁₈, Mohs 7.5–8, blue-green and vitreous. Beads are polished and rounded, so natural crystal faces are absent.

Identified September 8, 2026More gemstone →

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At a glance

Common name: Amethyst and aquamarine gemstone bracelet
Scientific name: Amethyst: purple quartz, SiO₂; blue beads likely aquamarine/blue quartz, with possible metallic spacer beads
Category: gemstone
Identified: September 8, 2026
Method: Standard

AI Estimated Value

Approximately $15–$80 for a typical bead bracelet; $100–$300+ if made with verified natural, high-quality aquamarine and fine amethyst.

Not an official valuation

AI estimate for general interest only — not an appraisal. Actual value depends on condition, provenance, and market demand. Verify with a professional before buying, selling, or insuring.

This identification was generated by AI and may contain errors. Verify important details before relying on them — and never use an AI result to judge whether a specimen is safe to handle. Read the full disclaimer

Physical properties

Formation & geological history

Amethyst forms in silica-rich volcanic cavities from hydrothermal fluids, commonly in basaltic geodes; aquamarine crystallizes in granitic pegmatites. Their ages vary widely, commonly tens to hundreds of millions of years.

Uses & applications

Used primarily in jewelry and ornamental beads; amethyst is also a popular mineral-collecting specimen. Commercial value is generally modest unless stones are unusually saturated, clear, and well matched.

Geological facts

The purple color of amethyst commonly comes from iron impurities and irradiation. Heating amethyst can produce yellow-orange citrine, though treated material may be difficult to distinguish visually.

Field identification & locations

Purple beads with zoning or translucency support amethyst identification; blue beads require gemological testing to confirm aquamarine versus dyed quartz or glass. Common sources include Brazil, Uruguay, Zambia, and Namibia for amethyst, and Brazil, Pakistan, and Madagascar for aquamarine.