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PAIR OF COPPER REPLACEMENT AGATES,C&H # 21 MINE,HOUGHTON CO.MICHIGAN
This specimen is not for sale, and was archived from an external source for the purpose of preserving and sharing its geologic, geographic, and collector value.
Description:  This pair of Copper replacement Agates where collected at the Calumet and Hecla # 21 ( the old Osceola # 21 ) Copper mine, Houghton county Michigan. For size the right 1/2 is 11/16" x 9/16" x 5/16" and together they weights in at 4.7 grams.All the white-ish spots and lines are one of the Chlorite minerals as an inclusion, looks like a curl Agate in many ways with nice banding and replacement Copper in the eyes and in the pressure fracture line.They have been polished on the face of each and the outer rind has some dark green Chlorite on it.


Found at:  Calumet, Michigan United States
Exact GPS Coordinates (Lat, Long): (4714'56"N, 8825'47"W)


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