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 |
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 |