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Visited a 10 cent a pound rock sale near Sacramento.  This is what I bought.  Photo copyright 2011 by Elaine Radford.

Visited a 10 cent a pound rock sale near Sacramento. This is what I bought. Photo copyright 2011 by Elaine Radford.

Utahite is an extremely rare secondary copper zinc tellurate mineral found as a product of oxidation.

Utahite is an extremely rare secondary copper zinc tellurate mineral found as a product of oxidation.

A thunderegg with waterline agate inside.  Photo copyright 2011 by Elaine Radford

A thunderegg with waterline agate inside. Photo copyright 2011 by Elaine Radford

Quartz (Var: Amethyst) and a Japan Law Twin - Peru Possibly my favorite mineral specimen of the entire 2011 Munich show, featuring an amethyst "torch" on matrix full of japan law twins quartz crystal. The specimen was about 15 cm across. Photo Copyright © Albert Russ

Quartz (Var: Amethyst) and a Japan Law Twin - Peru Possibly my favorite mineral specimen of the entire 2011 Munich show, featuring an amethyst "torch" on matrix full of japan law twins quartz crystal. The specimen was about 15 cm across. Photo Copyright © Albert Russ

CALCITE  Beaver Valley Quarry, near Port Ludlow, Jefferson County, Washington, USA  Specimen is ~3.5 cm (maximum dimension)  Self-collected in December 2010   Photo Copyright © 2011 Jeffrey M. Schwartz

CALCITE Beaver Valley Quarry, near Port Ludlow, Jefferson County, Washington, USA Specimen is ~3.5 cm (maximum dimension) Self-collected in December 2010 Photo Copyright © 2011 Jeffrey M. Schwartz

Cyanotrichite, Cu4Al2(SO4)(OH)12·2H2O, Hilarion Mine, Hilarion area, Kamariza Mines, Agios Konstantinos [St Constantine], Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece. Fov 4 mm. Copyright: © Stephan Wolfsried

Cyanotrichite, Cu4Al2(SO4)(OH)12·2H2O, Hilarion Mine, Hilarion area, Kamariza Mines, Agios Konstantinos [St Constantine], Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece. Fov 4 mm. Copyright: © Stephan Wolfsried

Smithsonite  Photo Copyright © Christian Rewitzer 2011  - This image is copyrighted. Unauthorized reproduction prohibited.  Locality: Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Smithsonite Photo Copyright © Christian Rewitzer 2011 - This image is copyrighted. Unauthorized reproduction prohibited. Locality: Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Large, nice, cut and polished specimen, from new find, of golden marcasite crystals on baryte.  Finding: about 2011  Overall piece size: 20.5 x 5.0 x 14.5 cm   Mauro Rapazzini private collection.  Copyright © Mauro Rapazzini 2012

Large, nice, cut and polished specimen, from new find, of golden marcasite crystals on baryte. Finding: about 2011 Overall piece size: 20.5 x 5.0 x 14.5 cm Mauro Rapazzini private collection. Copyright © Mauro Rapazzini 2012

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