April 2021 Outcrop

Page 34

MINERAL OF THE QUARTER By Ronald L. Parker Senior Geologist, Senior Geologist, Borehole Image Specialists, P. O. Box 221724, Denver CO 80222 | ron@bhigeo.com

WOLLASTONITE The Most Versatile Pyroxenoid

» CONTINUED ON PAGE 35

Translucent, white, prismatic wollastonite crystals and blue calcite. Boreas River, Minerva, Essex County, New York. Photo with permission from John Betts Fine Minerals

OUTCROP | April 2021

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Vol. 70, No. 4 | www.rmag.org


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April 2021 Outcrop by The Rocky Mountain Association of Geologists - Issuu