mineral

Small polished, cream-colored stone (possibly quartz or marble)

Unidentified; appearance alone cannot distinguish quartz (SiO₂) from calcite-rich marble (CaCO₃) or another pale stone

AI-generated identification · may be incorrect

Opaque to slightly translucent, cream-white with yellowish mottling and a smooth, rounded surface. Hardness and crystal structure cannot be determined from the image; quartz is Mohs 7, while calcite is Mohs 3.

Identified October 6, 2026More mineral →

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At a glance

Common name: Small polished, cream-colored stone (possibly quartz or marble)
Scientific name: Unidentified; appearance alone cannot distinguish quartz (SiO₂) from calcite-rich marble (CaCO₃) or another pale stone
Category: mineral
Identified: October 6, 2026
Method: Standard

AI Estimated Value

Typically under $1-$5 as an unidentified small pebble; more if its identity or provenance is established.

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

Likely a naturally occurring mineral or rock fragment that has been worn or polished; geological age and formation setting are unknown.

Uses & applications

Could be a decorative pebble or craft stone; no specific industrial or jewelry use can be identified from the photo.

Geological facts

A scratch test and dilute acid test can help distinguish quartz from calcite, but may damage the specimen.

Field identification & locations

The small rounded shape and surface do not provide enough diagnostic features for reliable field identification. A clearer close-up and hardness, streak, and acid-test results would help.