Silver

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A cut and polished face across this matrix showing very rich crystallized native silver throughout. Very nice for this famous locality. The Crown Reserve Mine, located beneath the bed of Kerr Lake in Cobalt, Ontario, was one of the most famous and profitable silver mines in the world. Geologically, the deposit was hosted within the Cobalt Series of Proterozoic sedimentary rocks where they were intruded by the massive Nipissing Diabase sill. The mineralization occurred as high-grade hydrothermal veins containing spectacular concentrations of native silver alongside cobalt-nickel arsenides. Historically, the mine began its remarkable run in 1907 after the company successfully drained Kerr Lake to access the rich veins on the lake floor. This led to the discovery of the legendary "Silver Sidewalk," a nearly solid vein of silver that was several hundred feet long. The mine operated at peak capacity until 1921, producing over 30 million ounces of silver during its primary lifespan. Though operations scaled back and eventually ceased in the mid-1920s, the Crown Reserve remains a symbol of the immense wealth generated during the Ontario silver rush and is a premier locality for historic silver specimens.

Product details

SpeciesSilver

SizeCabinet

Dimensions11.5 x 8.0 x 2.0 cm

Added on07/16/2026

LocalityCanada, Ontario, Crown Reserve Mine

Current owner

Unknown Owner

Acquired: Sep 2026

Previous owners

Date	Collector	Acquisition price
—	Weinrich Minerals	Not disclosed

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Mineral guide

Learn about Silver

native silver with wire, leaf, and dendritic forms, bright luster and patina; prized for rare isometric crystals and iconic localities in collections.

Regional guide