mineral

Likely rough emerald-bearing rock

Emerald (beryl, Be₃Al₂Si₆O₁₈), possibly in mica- or quartz-rich matrix

AI-generated identification · may be incorrect

The photo shows a small, rough green mineral with pale and dark matrix; emerald has vitreous luster, hexagonal crystals, and Mohs hardness 7.5–8. Color and appearance alone cannot confirm emerald or identify the matrix.

Identified October 10, 2026More mineral →

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Physical properties

Formation & geological history

Emerald forms in beryllium-rich fluids reacting with chromium- or vanadium-bearing rocks, in settings including schist and pegmatite. Deposits range from Precambrian to geologically recent; the specimen’s age and locality cannot be determined from the image.

Uses & applications

Gem-quality emerald is cut for jewelry; lower-grade material is collected or sometimes used as mineral specimens.

Geological facts

Emerald is the green variety of beryl; chromium or vanadium produces its color. Visible inclusions are common in natural emeralds.

Field identification & locations

Look for distinct hexagonal beryl crystals, glassy luster, and hardness, but these features require examination and testing; green color alone is not diagnostic. The specimen appears matrix-bound, and provenance would help confirm identification.