mineral

Native silver specimen (probable)

Silver, Ag; possibly silver-bearing sulfide or electrum

AI-generated identification · may be incorrect

Small metallic, silvery-gray, irregular/nodular specimen with bright metallic luster and likely malleable texture; native silver has Mohs hardness 2.5–3, cubic crystal structure, no cleavage, and specific gravity about 10.5. The image is too low-resolution for certainty;…

Identified August 15, 2026More mineral →

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Physical properties

Formation & geological history

Native silver forms in hydrothermal veins, commonly with quartz, calcite, galena, and sulfides, from low- to moderate-temperature mineralizing fluids. Important deposits occur in Mexico, Peru, Canada, Germany, and the United States; age varies by deposit from Precambrian to modern geologic periods.

Uses & applications

Used primarily for jewelry, silverware, electronics, photography, solar technology, and investment; attractive natural specimens are collectible.

Geological facts

Silver is exceptionally ductile and has the highest electrical and thermal conductivity of any element. Tarnish commonly produces gray, black, or brown surface coatings.

Field identification & locations

A true specimen should be very dense, produce a silver streak, and deform rather than fracture; avoid acid or destructive tests. Galena is more brittle, lead-gray, cubic, and has Mohs hardness about 2.5.