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Zircon: ZrSiO4
Comments: Clear, crystalline zircon prism with pyramidal termination. Location: Laacher See, Rhineland-Palatinate, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Comments: Deep red-wine colored, lustrous, internally bright zircon crystals in matrix. Location: Thorfjord, Seiland, Alta, Norway. Scale: 13 x 10.5 x 9 cm. © Rob Lavinsky
Zirconolite-2M: CaZrTi2O7
Comments: Brown needles of zirconolite-2M in quartz. Location: In den Dellen, Mendig, Laacher See, Eifel, Germany. Scale: Not given. © Diederik Visser
Zirconolite-3O: (Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O7
Comments: Brown needles of zirconolite-3O in quartz matrix. Location: In den Dellen, Mendig, Laacher See, Eifel, Germany. Scale: Specimen Size < 1x1 cm. © Diederik Visser
Zirconolite-3T: CaZrTi2O7
Comments: Dark brown platy hexagonal zirconolite=3Tcrystals on sanidine. Location: Castellaccio di Petrignano near Vetrella, Lazio,Viterbo, Italy. Scale: Specimen Size 3x4 cm. © Diederik Visser
Zircophyllite: K2(Na,Ca)(Mn,Fe++)7(Zr,Nb)2Si8O26(OH)4F
Comments: Brown fragment of zircophyllite showing lamellar habit. Location: Desourdy Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Scale: See Image. © Rruff Database
Zircosulfate: Zr(SO4)2·4(H2O)
Comments: Powdery zircosulfate aggregate. Location: Korgeredaba Massif, Republic of Tuva, Siberia, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Zirkelite: (Ca,Th,Ce)Zr(Ti,Nb)2O7
Comments: Sub-metallic zirkelite crystal aggregate. Location: Jacupiranga Mine, Sao Paulo, Brazil. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Comments: Black, massive aggregate of zirkelite with minor brown biotite and a thin vein of white calcite. Location: Palabora Open Pit mine, Loolekop, Phalaborwa, Limpopo Province, Transvaal, Republic of South Africa. Scale: Picture size 1.5 cm. © Paul M. Schumacher
Zirsilite-(Ce): (Na,[ ])12(Ce, Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O
Comments: Yellow masses of zirsilite-(Ce) intermixed with other eudialyte group (?) minerals. Location: Darai-Pioz (Dara-i-Pioz; Dara-Pioz) Glacier, Alai (Alayskiy) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan. Scale: Picture Size 0.2 cm. © Jeff Weissman / Photographic Guide to Mineral Species