mineral

Weathered copper-bearing rock, possibly chrysocolla-bearing quartz or host rock

Indeterminate from the photo; possible chrysocolla (hydrated copper silicate) with quartz or other host minerals

AI-generated identification · may be incorrect

Small rounded specimen with pale blue-green and cream patches; likely opaque and earthy to dull in luster. Hardness and crystal structure cannot be reliably determined visually; chrysocolla is typically Mohs 2–4, while quartz is 7.

Identified September 26, 2026More mineral →

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At a glance

Common name: Weathered copper-bearing rock, possibly chrysocolla-bearing quartz or host rock
Scientific name: Indeterminate from the photo; possible chrysocolla (hydrated copper silicate) with quartz or other host minerals
Category: mineral
Identified: September 26, 2026
Method: Standard

AI Estimated Value

About $1–$10 for a small, common unidentified specimen; more only if its mineral identity and quality are confirmed.

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

The blue-green coloration may result from copper minerals forming during near-surface oxidation of copper deposits. Geological age and exact formation cannot be determined from the image.

Uses & applications

Copper-bearing rocks may be collected as mineral specimens; richer ores can be sources of copper. This small, unverified piece has no evident commercial use.

Geological facts

Blue-green color is common in secondary copper minerals, but color alone cannot confirm chrysocolla or distinguish it from other copper minerals.

Field identification & locations

A field identification would require tests such as hardness, streak, and examination of fresh surfaces; avoid relying on color alone. Copper minerals occur in oxidized zones of copper deposits worldwide.