Tucson 2018 - Saturday, February 3rdLast Updated: 4th Feb 2018
By Jolyon & Katya Ralph
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A crystal of stibiconite that can’t quite decide which way to grow. From Mina San Jose, San Luis Potosí
"Anderson twin" calcite, Irving Materials Quarry, Indiana. Ex. Shirley Fiske Collection. Unique Minerals.
Amazonite and Smoky Quartz - Icon pocket, second largest specimen found 2012 finished preparation 2018 - Pinnacle 5 Minerals
Djurleite and chalcocite intergrowths from a find last year, Ait Ahmane, Bou Azerbaijan, Morocco. Christophe Gobin
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