Blocky PREHNITE crystals on black Vesper Peak Skarn, Snohomish County, Washington, USA Specimen is ~12 cm (longest dimension) John Lindell Collection. Collected by John Lindell on October 13, 1991 Photo Copyright © 2017 Jeffrey M. Schwartz
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Blocky PREHNITE crystals on black Vesper Peak Skarn, Snohomish County, Washington, USA Specimen is ~12 cm (longest dimension) John Lindell Collection. Collected by John Lindell on October 13, 1991 Photo Copyright © 2017 Jeffrey M. Schwartz
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