QUARTZ with fluorescent phanton (under short-wave ultraviolet light) Green Ridge Breccia, near North Bend, King County, Washington, USA Horizontal field of view is approximately 5 cm Self-collected in 2003 Photo Copyright © 2003 Jeffrey M. Schwartz
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QUARTZ with fluorescent phanton (under short-wave ultraviolet light) Green Ridge Breccia, near North Bend, King County, Washington, USA Horizontal field of view is approximately 5 cm Self-collected in 2003 Photo Copyright © 2003 Jeffrey M. Schwartz
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