mineral

Unidentified pale blue-green stone

Not identifiable from this image; possibly amazonite (microcline feldspar)

AI-generated identification · may be incorrect

Small, opaque pale blue-green piece with cream/yellow patches and an uneven surface. Hardness, luster, cleavage, and crystal structure cannot be determined reliably from the photograph.

Identified September 23, 2026More mineral →

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Physical properties

Small, opaque pale blue-green piece with cream/yellow patches and an uneven surface. Hardness, luster, cleavage, and crystal structure cannot be determined reliably from the photograph.

Formation & geological history

If amazonite, it is a potassium feldspar formed in slowly cooling, silica-rich granitic pegmatites; such deposits occur in rocks of many geological ages.

Uses & applications

Amazonite is used for beads, cabochons, and decorative objects; this rough piece appears too small to assess for commercial use.

Geological facts

Amazonite is the blue-green variety of microcline, colored chiefly by trace lead and water-related defects in its crystal structure.

Field identification & locations

The image lacks diagnostic detail, so identification is uncertain; inspect hardness, feldspar cleavage, and a fresh surface, or use gemological testing. Amazonite is known from Brazil, Russia, Madagascar, and the United States.