Copper (Ref: 9MF70Q1)
Central Mine, Central, Keweenaw County, Michigan USA
33mm x 31mm x 15mm
minID: 5V5-CLK
Very aerial group of crystals better formed than usual, some of them with very well defined crystalline forms, of good size and luster. This mine operated from 1854 to 1898, producing more than 23 thousand tons of refined copper.Central Mine, Central, Keweenaw County, Michigan USA
Specimen size: 3.3 × 3.1 × 1.5 cm = 1.30”
From: Fabre Minerals
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