mineral

Metallic gray mineral specimen, possibly galena or metallic ore

Uncertain from photograph; galena (PbS) is a possibility, but iron sulfide or industrial metal slag cannot be excluded

AI-generated identification · may be incorrect

Gray-silver, strongly metallic luster with a rough, irregular fractured surface; apparent hardness roughly 2.5–6, depending on species. Cleavage and crystal structure are not visible, and the image is insufficient for reliable identification.

Identified September 10, 2026More mineral →

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At a glance

Common name: Metallic gray mineral specimen, possibly galena or metallic ore
Scientific name: Uncertain from photograph; galena (PbS) is a possibility, but iron sulfide or industrial metal slag cannot be excluded
Category: mineral
Identified: September 10, 2026
Method: Standard

AI Estimated Value

$1–$20 if common or unidentified; approximately $20–$200+ for confirmed, aesthetic galena crystals.

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

If galena, it formed in hydrothermal sulfide veins, commonly with quartz, sphalerite, and chalcopyrite; such deposits range from Paleozoic to younger ages. A magnet, streak test, density test, and chemical analysis are needed to distinguish it from slag or other ores.

Uses & applications

Galena is an important historical lead ore and may contain silver; attractive crystals are collected, but lead-bearing specimens should be handled carefully and never used in jewelry or around food.

Geological facts

Galena is unusually dense (specific gravity about 7.4–7.6) and commonly has cubic cleavage; metallic gray color alone is not diagnostic.

Field identification & locations

Test streak on unglazed porcelain, heft, cleavage, magnetism, and reaction under magnification; avoid dust and wash hands. Common sources include Missouri, Illinois, Colorado, Peru, Australia, and mining districts worldwide.