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.
Paranatrolite: Na2[Al2Si3O10]·3(H2O)
Comments: Translucent prismatic paranatrolite crystal aggregate. Location: Mont Saint Hilaire, Quebec, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Parapierrotite: Tl(Sb,As)5S8
Comments: Silvery metallic prismatic parapierrotite grains in translucent quartz rock. Location: Lookout Pass, Tooele County, Utah, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Parascorodite: Fe+++AsO4·2(H2O)
Comments: Powdery parascorodite mass. Location: Kank, near Kutna Hora, Stredocesky, Czech Republic. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Paraspurrite: Ca5(SiO4)2(CO3) Larnite: Ca2SiO4
Comments: Violet-tinted gray crystalline pure paraspurrite mass with larnite veinlets. Location: Near Darwin, Inyo County, California, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Paratacamite: (Cu,Zn)2(OH)3Cl
Comments: Deep green crystal paratacamite rosettes on rusty quartz. Location: Churchill Butte, Lyon County, Nevada, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Paratsepinite-Ba: (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2·4(H2O)
Comments: Prismatic crystal aggregate of paratsepinite-Ba in pink eudialyte and dark brown acicular astrophyllite. Location: Lepkhe-Nel'm Mt., Seidozero Lake, Lovozero Massif, Kola Peninsula, Russia. Scale: Picture Size 6 mm. © Jeff Weissman / Photographic Guide to Mineral Species
Parvowinchite: Na(NaMn++)(Mg4Fe+++)Si8O22(OH)2 Turneaureite: Ca5[(As,P)O4]3Cl Donpeacorite: (Mn,Mg)MgSi2O6
Comments: Colorless, transparent turneaureite masses with light brown tirodite (parvowinchite) and darker brown donpeacorite. Location: 2500' level of the mine, ZCA Mine No. 4 (St Joe Mine; ZCA No. 4 mine), Balmat, Balmat-Edwards Zinc District, St Lawrence Co., New York, USA. Scale: Picture Size 0.5 cm. © Jeff Weissman / Photographic Guide to Mineral Species
Patronite: VS4 Minasragrite: VO(SO4)·5(H2O)
Comments: Blue coatings of minasragrite on patronite. Location: Minas Ragra, near Cerro de Pasco, Junin, Peru. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Patronite: VS4
Comments: Dark brownish black fine grained massive patronite. Location: Minas Ragra, near Cerro de Pasco, Junin, Peru. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Patronite: VS4 Stanleyite: (V++++O)SO4·6(H2O)
Comments: Blue crystalline stanleyite on dark patronite. Location: Minas Ragra, Junin, Peru. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Paulkerrite: K(Mg,Mn)2(Fe+++,Al)2Ti(PO4)4(OH)3·15(H2O)
Comments: Transparent yellow tabular paulkerrite microcrystal. Location: Folgosinho, Guarda, Portugal. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Pavonite: (Ag,Cu)(Bi,Pb)3S5
Comments: Silvery metallic pavonite masses with brassy pyrite. Location: Alaska Mine, San Juan County, Colorado, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Peisleyite: Na3Al16(SO4)2(PO4)10(OH)17·20(H2O)
Comments: Off-white opaque porcelaneous peisleyite mass. Location: Tom's Phosphate Quarry, near Kapunda, South Australia, Australia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Pellyite: Ba2Ca(Fe++,Mg)2Si6O17 Gillespite: BaFe++Si4O10
Comments: Red crystalline gillespite with yellow pellyite rock matrix. Location: GUN claims, Itsi Mountains, MacMillan Pass Area, Yukon Territory, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Pellyite: Ba2Ca(Fe++,Mg)2Si6O17
Comments: Brown massive pellyite in barite. Location: Rush Creek, Fresno County, California, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Pennantite: Mn5Al(Si3Al)O10(OH)8
Comments: Dark brown micaceous pennantite. Location: Gambatesa Mine, Val Graveglia, Genova, Liguria, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Penroseite: (Ni,Co,Cu)Se2
Comments: Silvery metallic penroseite masses in matrix. Location: Unnamed prospect in Pacajake Canyon, near Culquechaca, Potosi, Bolivia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Perite: PbBiO2Cl
Comments: Pale yellow scaly crystalline perite on quartz. Location: Benson, Cochise County, Arizona, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Perlialite: K8Tl4Al12Si24O72·20(H2O)
Comments: Opaque white fibrous perlialite coating on syenite rock. Location: Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Perrierite-(Ce): (Ce,La,Ca)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 Pyrochlore: (Na,Ca)2Nb2O6(OH,F) Zircon: ZrSiO4 Loparite-(Ce): (Ce,Na,Ca)2(Ti,Nb)2O6
Comments: Reddish black perrierite crystal, with orange-brown pyrochlore crystal, yellow-brown zircon, and grayish-black loparite. Location: Buer, Bjorkedalen, Langesundfjord, Telemark, Norway. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species