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Cuprian Gypsum (Dr. B. Philips Coll.)
- Mount Gunson Copper mines, Pernatty Lagoon, Stuart Shelf, South Australia, Australia
- Large Cabinet, 18.3 x 12.5 x 9.8 cm
- Start Time: 09/10/2017 6:45:00 pm (CDT)
- End Time: 09/14/2017 6:34:33 pm (CDT)
- Auction Closed
Item Description
An impressive large and dense mounded specimen of APPLE-GREEN fishtail-twinned gypsum crystals from near this extinct open pit copper deposit. Very common world-wide, gypsum is usually colorless. The Pernatty Lagoon is a playa lake near the copper mines and the copper-rich effluent from the mines has given this striking piece their striking green color (postmining), which varies year to year. Excellent large 360-degree and essentially pristine material, with only the noted acceptable periphery wear. These are from a limited 2005 find. Ex Dr. Barratt Phillips Collection.
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