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Gilmarite

Named in honor of Gilbert Mari, a mineralogist at the University of Nice-Sophia Antipolis in France who collected the material that the mineral was later found in. Gilmarite is a rare mineral that occurs with other copper arsenates and copper arsenides in oxidized deposits. Localities include in France, Germany, Chile, and Hungary.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/gilmarite.pdf

Giuseppettite

Named after Giuseppe Giuseppetti, a Professor of Mineralogy at the University of Pavia in Italy. Giuseppettite is a rare mineral that occurs only in Italy and Norway, and possibly in the United States. It can be found in veinlets in sanidine-rich volcanic ejecta. Associated minerals include K Feldspar, nephelie, hauyne, biotite and kalsilite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/giuseppettite.pdf

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