Radial color-zoned THOMSONITE-Ca Port Ludlow Area Quarry, near Port Ludlow, Jefferson County, Washington, USA Specimen is approximately 3 inches maximum dimension Self-collected in 2008 Photo Copyright © 2008 Jeffrey M. Schwartz
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Radial color-zoned THOMSONITE-Ca Port Ludlow Area Quarry, near Port Ludlow, Jefferson County, Washington, USA Specimen is approximately 3 inches maximum dimension Self-collected in 2008 Photo Copyright © 2008 Jeffrey M. Schwartz
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