Rosasite with calcite on limonite
description: <p style="text-align: justify;">LOCALITY: Mina Ojuela, Mapimi, Durango Province, Mexico <br /><br />1 5/8" Across <br /><br />This piece was mined in shortly before 2012. I bought it from Professor Marcus Origlieri during a visit to Tucson, Arizona in the summer of 2012. Marcus is a Professor in the Department of Geosciences at The University of Arizona, Tucson. <br /><br />Photo by Matthew Webb of Melbourne, Victoria, Australia</p>