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Rosasite with Calcite (ex Harold Urish and Brian Kosnar Collections)
- Omega Mine, Monument Mountain, Helvetia, Santa Rita Mts, Pima County, Arizona
- Small Cabinet, 5.1 x 3.2 x 1.3 cm
- Start Time: 10/13/2011 6:45:00 pm (CDT)
- End Time: 10/20/2011 6:45:00 pm (CDT)
- Auction Closed
Item Description
A cool Rosasite association specimen from this lesser known Cu-Ag-Pb-Zn-Au-Mn-W-Mo mine in far southern central Arizona. The piece hosts dozens of small, light blue-green spherical aggregates of Rosasite with "tuft"-like growth of white Calcite on beautifully contrasting black Goethite matrix. A wonderful piece compositionally, and truly eye-catching for the color combination. You don't see a lot of specimens from the Omega Mine on the market these days. This piece is from the collection of Brian Kosnar who obtained it from the Harold Urish collection.