mineral

Chrysocolla-bearing copper mineral specimen (probable turquoise/chrysocolla mix)

Chrysocolla, Cu₂H₂Si₂O₅(OH)₄·nH₂O, with possible turquoise CuAl₆(PO₄)₄(OH)₈·4H₂O and copper oxides

AI-generated identification · may be incorrect

Blue-green to turquoise, dull to waxy luster, irregular botryoidal/massive texture, and no obvious crystal faces; hardness is approximately 2–4 for chrysocolla and 5–6 for turquoise. The brown/white matrix may be limonite, quartz, or altered host rock.

Identified August 18, 2026More mineral →

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At a glance

Common name: Chrysocolla-bearing copper mineral specimen (probable turquoise/chrysocolla mix)
Scientific name: Chrysocolla, Cu₂H₂Si₂O₅(OH)₄·nH₂O, with possible turquoise CuAl₆(PO₄)₄(OH)₈·4H₂O and copper oxides
Category: mineral
Identified: August 18, 2026
Method: Standard

AI Estimated Value

About $2–$15 for a small common specimen; $20–$75 if the blue-green color and matrix are especially attractive.

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

Forms in the oxidized zone above copper deposits when acidic, copper-rich groundwater alters surrounding rock. Such material is commonly Cenozoic or older depending on the deposit; the specimen’s exact age cannot be determined visually.

Uses & applications

Collected as a colorful copper-mineral specimen and sometimes cut for cabochons; attractive chrysocolla or turquoise-quality material can be used in jewelry, though this piece appears too small and matrix-rich for major commercial use.

Geological facts

The vivid blue-green color indicates hydrated copper minerals, not necessarily solid turquoise. Chrysocolla is often confused with turquoise and may occur together with malachite and azurite.

Field identification & locations

Commonly found in arid copper districts, especially Arizona, Nevada, Chile, Peru, and Australia. Near 36.1°N, 83.4°W in Tennessee, copper minerals are possible but this appearance is more suggestive of a traded specimen than a locally collected one; test streak, hardness, and copper-mineral associations for confirmation.