Partially coated BOURNONITE with SPHALERITE and QUARTZ Coney Basin Mine, Miller River District, King Co., Washington, USA Field of view is ~0.3 cm Personal Collection Photo Copyright © 2016 Jeffrey M. Schwartz
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Partially coated BOURNONITE with SPHALERITE and QUARTZ Coney Basin Mine, Miller River District, King Co., Washington, USA Field of view is ~0.3 cm Personal Collection Photo Copyright © 2016 Jeffrey M. Schwartz
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