MINERAL OF THE QUARTER By Ronald L. Parker Senior Geologist, Borehole Image Specialists, 5650 Greenwood Plaza Boulevard, Greenwood Village, CO 80111 | ron@bhigeo.com
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Euhedral cinnabar crystal in surrounded by calcite and dolomite in a healed, bitumen-bearing fault breccia. The crystal is 1.5 cm long at its widest. Locality unknown. Photo by Ronald L. Parker. OUTCROP | July 2019
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Vol. 68, No. 7 | www.rmag.org
