gemstone

Colorless faceted gemstone, likely quartz

Quartz (SiO₂), probably rock crystal; exact identification is uncertain from the strongly backlit image

AI-generated identification · may be incorrect

Transparent to translucent colorless material with bright glassy luster and numerous faceted surfaces. Quartz has Mohs hardness 7, hexagonal crystal structure, no true cleavage, conchoidal fracture, and specific gravity about 2.65; the visible brilliance may also reflect cut glass or synthetic material.

Identified September 16, 2026More gemstone →

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At a glance

Common name: Colorless faceted gemstone, likely quartz
Scientific name: Quartz (SiO₂), probably rock crystal; exact identification is uncertain from the strongly backlit image
Category: gemstone
Identified: September 16, 2026
Method: Standard

AI Estimated Value

About $5–$50 for common faceted quartz; $50–$300+ for unusually clear, well-cut, or inclusion-rich specimens. Identification from this image alone is not definitive.

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

Natural quartz forms in hydrothermal veins, cavities, and igneous pegmatites, commonly from Paleozoic to younger geological settings. Faceting and polishing are human processing, so the original geological age cannot be determined visually.

Uses & applications

Used as a gemstone, ornamental specimen, and in quartz-bearing industrial products; clear high-quality quartz is collectible but usually inexpensive compared with diamond or topaz.

Geological facts

Quartz can show strong rainbow-like reflections from facet junctions and internal fractures. A refractive-index, hardness, and inclusion examination is needed to distinguish it from glass or synthetic cubic zirconia.

Field identification & locations

Look for natural inclusions, bubbles, facet quality, and crystal zoning; quartz will scratch ordinary glass but not corundum. Common sources include Brazil, Madagascar, the Alps, and Arkansas.