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Gypsum (Selenite) (ex Allen Heyl Collection)
- Lake Gilles, Corunna Station, Lake Gairdner - Gawler Ranges area, South Australia, Australia
- Small Cabinet, 5.3 x 3.2 x 3.0 cm
- Start Time: 05/16/2013 6:45:00 pm (CDT)
- End Time: 05/23/2013 6:45:00 pm (CDT)
- Auction Closed
Item Description
From the collection of Colorado geologist Allen Heyl (Aheylite), here we have a striking, highly unusual, nearly transparent, colorless and somewhat "hourglass" twinned Gypsum crystal from Lake Gilles. The crystal is included with clay particles and both terminations show fishtail-twins, though one is more pronounced than the other. Lake Gilles produces some of the most unusual Gypsum crystal forms in the world. See the Mineralogical Record article in the May-June, 1982 issue, Vol. 13, No. 3 for more info.