gemstone

Amethyst crystal chips in a decorative container

Amethyst, purple quartz (SiO₂), with likely pale quartz or feldspar fragments

AI-generated identification · may be incorrect

Quartz hardness is 7 Mohs; vitreous luster, hexagonal crystal structure, and no true cleavage. The visible material consists of purple translucent chips mixed with pale granular fragments; exact specimen quality is obscured by the container.

Identified August 27, 2026More gemstone →

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At a glance

Common name: Amethyst crystal chips in a decorative container
Scientific name: Amethyst, purple quartz (SiO₂), with likely pale quartz or feldspar fragments
Category: gemstone
Identified: August 27, 2026
Method: Standard

AI Estimated Value

Approximately $5-$25 for this small mixed chip container; attractive natural crystals or high-quality specimens may range from $20 to several hundred dollars.

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 when iron-bearing quartz develops purple color through irradiation and geological heating, commonly in volcanic cavities and hydrothermal veins. Deposits range from Precambrian to recent geological ages.

Uses & applications

Used as a gemstone, ornamental stone, mineral specimen, and lapidary material; chips are also used decoratively. This appears to be a low-grade craft or display sample.

Geological facts

Purple intensity depends on iron content and irradiation; heating can turn some amethyst yellow, producing citrine. The image does not show diagnostic crystal faces clearly enough for a precise locality identification.

Field identification & locations

Identify quartz by its glassy luster, hardness, conchoidal fracture, and lack of cleavage; amethyst is distinguished by its purple color. Common sources include Brazil, Uruguay, Zambia, and Morocco.