Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Yakhontovite: (Ca,K)0.5(Cu,Fe+++,Mg)2Si4O10(OH)2·3(H2O)
Comments: Green coating of yakhontovite in matrix. Location: Granite Gap, Hidalgo Co., New Mexico, USA. Scale: Specimen Size 2x2.5 cm. © Diederik Visser
Yakovenchukite-(Y): K3NaCaY2(Si12O30)·4H2O
Comments: B&W image of a druse of yakovenchukite-(Y) crystals in a void within sodalite-aegirine-microcline veinlet in ijoliteurtite. (AmMin v92:1527). Location: Mt. Kukisvumchorr (Khibiny Massif), Russia. Scale: Picture size 3.0 x 2.4 mm. © American Mineralogist
Yanomamite: In(AsO4)·2(H2O)
Comments: Gray-blue waxy yanomamite coatings on quartz. Location: Mangabeira Tin Deposit, Goias, Brazil. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Yarrowite: Cu9S8 Spionkopite: Cu1.4S
Comments: Blue-gray metallic yarrowite grains in granular quartz rock with spionkopite. Location: Yarrow Creek, Alberta, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Comments: Blue-black metallic granular spionkopite, intermixed with yarrowite altering, with quartz. Location: Yarrow Creek, Alberta, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Yavapaiite: KFe+++(SO4)2
Comments: Translucent pale pinkish-tan colored crystal fragments. Location: United Verde Mine, Jerome, Verde District, Black Hills (Black Hill Range), Yavapai Co., Arizona, USA. Scale: Fragment Size 1 mm. © Jeff Weissman / Photographic Guide to Mineral Species
Yeatmanite: Mn++9Zn6Sb+++++2Si4O28
Comments: BSE image of willemite (Wil), unaltered yeatmanite (Yeat) and alteration phase (Alt). Location: Garpenberg Norra mine in Dalarna County, Sweden. (CanMin, v41:201). Scale: See Image. © Canadian Mineralogist
Yecoraite: Bi5Fe+++3(Te++++O3)(Te++++++O4)2O9·9(H2O)
Comments: Tan to reddish brown resinous yecoraite coatings on quartz. Location: Marie Elena Mine, Yecora, Sonora, Mexico. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Yedlinite: Pb6CrCl6(O,OH)8 Diaboleite: Pb2CuCl2(OH)4
Comments: Minute cranberry-colored rounded yedlinite crystal with blue diaboleite on yellow-brown wulfenite. Location: Mammoth Mine, Tiger, Pinal County, Arizona, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Yeelimite: Ca4Al6O12(SO4) Ellestadite-(OH): Ca5(SiO4,SO4)3(OH,Cl,F)
Comments: Ye'elimite and hydroxylellestadite intimately intergrown as a brownish aggregate in massive anhydrite. Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 6 mm. © Thomas Witzke / Abraxas-Verlag