gemstone

Carved quartz skull, likely smoky quartz or gray chalcedony

Silicon dioxide (SiO₂), quartz or microcrystalline quartz

AI-generated identification · may be incorrect

Translucent gray-brown material with a vitreous to waxy luster; Mohs hardness 7 for quartz (about 6.5–7 for chalcedony), no obvious cleavage, and conchoidal fracture. The skull is human-carved and appears polished, possibly with surface coating or residue.

Identified August 8, 2026More gemstone →

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At a glance

Common name: Carved quartz skull, likely smoky quartz or gray chalcedony
Scientific name: Silicon dioxide (SiO₂), quartz or microcrystalline quartz
Category: gemstone
Identified: August 8, 2026
Method: Standard

AI Estimated Value

Approximately $15–$100 for a common small carved quartz or chalcedony skull; $100–$300+ if unusually clear, large, verified, or made from high-grade material.

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

Quartz formed from silica-rich fluids in igneous, hydrothermal, or sedimentary environments over geologic time; the carving is modern and its original geological age cannot be determined. Exact identification requires a hardness, specific-gravity, and magnification test.

Uses & applications

Primarily a decorative or metaphysical collectible; quartz is also used in glass, electronics, abrasives, and jewelry. The skull shape adds artistic rather than geological value.

Geological facts

Gray translucent carved skulls are commonly sold as smoky quartz, included quartz, chalcedony, or occasionally glass, and visual inspection alone cannot reliably distinguish them.

Field identification & locations

Check for natural conchoidal fracture, gas bubbles, uniform glassy texture, and scratch resistance against steel; bubbles or very low hardness suggest glass. Common source regions include Brazil, Madagascar, Uruguay, and China, though the carving may occur elsewhere.