Mineral: Silver
Locality: Ridge Mine (absorbed by Mass Consolidated Mine), Mass City, Ontonagon County, Michigan, USA
Dimensions: 1.6 cm x 2.9 cm

Description: The Ridge Mine was organized in 1850 and worked by various companies until it was absorbed, along with 4 other mines, into the Mass Consolidated Mine in 1899. The Ridge Mine was especially rich in silver.

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