THOMSONITE-Ca Radial color-zoned and terminated Port Ludlow Area Quarry, near Port Ludlow, Jefferson County, Washington, USA Specimen is 4.2 cm (maximum dimension) Self-collected in 2010 Photo Copyright © 2011 Jeffrey M. Schwartz
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THOMSONITE-Ca Radial color-zoned and terminated Port Ludlow Area Quarry, near Port Ludlow, Jefferson County, Washington, USA Specimen is 4.2 cm (maximum dimension) Self-collected in 2010 Photo Copyright © 2011 Jeffrey M. Schwartz
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