2023 December Outcrop

Page 42

MINERAL OF THE QUARTER By Ronald L. Parker 1st Vice President of RMAG | Senior Geologist, Borehole Image Specialists, P. O. Box 221724, Denver CO 80222 ron@bhigeo.com

AXINITES The Borosilicate Beauties

Two parallel interconnected transparent brown axinite-(Fe) crystals with lustrous, wedge-shaped crystal faces. Parallel growth bands decorate the near crystal face. From the Puiva Deposit, Tyumenskaya Oblast’, Sub-Polar Ural Mountains, Russia. 28 mm x 23 mm. Photo with permission from John Betts Fine Minerals.

OUTCROP | December 2023

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Vol. 72, No. 12 | www.rmag.org


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