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D06-09 - Sinkankasite - $ 200 Barker-Ferguson Mine, Keystone, Pennington Co., South Dakota (TYPE LOCALITY) miniature, 4.8 x 4.2 x 2.3 cm
A very rich and rare example of this rare phosphate species named after noted author and collector, John Sinkankas. I used to live down the street from him and he sold me a half dozen of these in the late 90s. Beyond that stash, I simply have not seen any good ones for sale since. This is extremely rare material, and hard to obtain today.
MD-176750 - Sinkankasite - - Archived Barker-Ferguson Mine, Keystone, Keystone District, Pennington Co., South Dakota, USA miniature, 4.8 x 4.2 x 2.3 cm.
4.8 x 4.2 x 2.3 cm. A very rich and rare example of this rare phosphate species named after noted author and collector, John Sinkankas. Ex. John Sinkankas Collection. All Content and Design ©1996-2010 The ArkenstonePowered by http://mineralwebsites.comBy-species Galleries |