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Minrecordite: CaZn(CO3)2 Dioptase: CuSiO2(OH)2
Comments: Blue-green dioptase covered with minute, rhombic crystals of transparent minrecordite one mm or less in size.
Location: Tsumeb Mine, Tsumeb, Namibia.
Scale: Picture size 1 cm.
© John Veevaert
Minrecordite: CaZn(CO3)2 Wendwilsonite: Ca2(Mg,Co)(AsO4)2·2(H2O)
Comments: Wendell Wilson, publisher, editor-in-chief of the Mineralogical Record, and the person whom wendwilsonite was named after, kindly provided the mineral name pronunciations for minrecordite and wendwilsonite.
Location: Tucson Convention Center, 50th Tucson Gem and Mineral Show, February 14, 2004.
© Dave Barthelmy