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Printstone: a Siliceous Siltstone image 1
Printstone: a Siliceous Siltstone image 2
Lot 1105

Printstone: a Siliceous Siltstone

26 – 27 October 2020, 11:00 PDT
Los Angeles

Sold for US$89.25 inc. premium

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Printstone: a Siliceous Siltstone

Mount McRae Shale in the Hamersley Basin, Tom Prince, Pilbara Region, Western Australia, Australia
A rectangular slab, polished on one face, with one cut corner, having honed edges and a matte finish to the reverse side, RHC8876. Measuring 9 x 5 1/4 x 1/2 in

Footnotes

Accompanied by a paper label:
RHC8876:
Acquired in 2010, Cabinet, 935 gm.
A rectangular, 13 mm thick slab of red and black sandstone polished on one side with a beautiful pattern. Some think that this material was at one time stromatolites and others think it is the result of Liesengang rings. Was given the specimen by James Zigras.

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