Copper xls w/ Prehnite (old classic) Sal Avella Coll.

Copper Country, Houghton Co., Michigan
Cabinet, 10.4 x 6.2 x 4.9 cm
Start Time: 05/03/2012 6:30:00 pm (CDT)
End Time: 05/10/2012 6:30:00 pm (CDT)
Auction Closed

Item Description

Sharp copper crystals with a nice patina prominently stand out from the matrix on this sculptural, old-time, large copper specimen from Copper Country. The two "rabbit ears" are dramatic, with the long, bent "ear" being two, intergrown spinel-twins, while the smaller, stocky "ear" appears to be intergrown tetrahexahedral crystals with a spinel-twin form. Two sharp, stacked, tetrahexahedral crystals are a highlight, as is the contrasting copper matrix, which includes pretty, glassy, sea-green, prehnite and glassy, colorless analcime. Ex Sal Avella Copper Collection, who valued this showy piece at $400, many years ago.

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