MINERAL OF THE QUARTER By Ronald L. Parker Senior Geologist, Borehole Image Specialists, P. O. Box 221724, Denver CO 80222 | ron@bhigeo.com
WOLFRAMITE The Mineral that Illuminated the World
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Beautiful, striated ferberite euhedra with prismatic quartz crystals from Ayopaya Province, Cochabamba, Bolivia. Photo by Annette Slade. Used with permission from Collector’s Edge Minerals, Inc.
OUTCROP | April 2022
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Vol. 71, No. 4 | www.rmag.org