mineral

Likely chrysocolla-bearing copper ore

Chrysocolla, a hydrated copper silicate; exact identification is uncertain from the small, blurry image

AI-generated identification · may be incorrect

Blue-green copper-mineral staining on a brown, rocky matrix. Chrysocolla is typically amorphous, has a waxy to dull luster, and Mohs hardness about 2–4; the specimen’s texture and cleavage are not clear here.

Identified October 15, 2026More mineral →

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Physical properties

Formation & geological history

Forms in oxidized zones of copper deposits as copper-bearing fluids alter surrounding rocks. Its age depends on the host deposit and cannot be determined from the image.

Uses & applications

Copper ores are mined for metal; attractive, harder chrysocolla-bearing material may be cut for cabochons or collected as a mineral specimen.

Geological facts

The vivid blue-green color is characteristic of oxidized copper minerals, but similar colors can occur in turquoise or other copper-bearing minerals.

Field identification & locations

Look for blue-green material associated with copper ores and a softer, often irregular texture; a hardness or lab test is needed to distinguish it confidently. Chrysocolla occurs in copper districts worldwide, including Arizona, Chile, and the Democratic Republic of the Congo.