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.
Pyrochlore: (Na,Ca)2Nb2O6(OH,F) Perrierite-(Ce): (Ce,La,Ca)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 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
Pyrochroite: Mn(OH)2
Comments: Pseudo-cubic crystal of pyrochroite on matrix. Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Pyrochroite: Mn(OH)2 Shigaite: Mn++7Al4(SO4)2(OH)22·8(H2O)
Comments: Bronzy yellow crystals of shigaite set in a crystalline matrix of reddish black pychroite. Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 2.8 x 2.3 cm. © John Veevaert
Pyrocoproite: (Mg(K,Na))2P2O7
Comments: Admixture of platy indented crystals of pyrocoproite (p) and tabular opal-C (O). Location: Ghar al Hibashi (Hebashi) is a lava cave near Harrat Nawasif/Al Buqum, located east of Makkah in the Kingdom of Saudi Arabia. Scale: See Image. © Saudi Geological Survey
Comments: SEM image of pyrocoproite crystals with concoidal fracture. Location: Ghar al Hibashi (Hebashi) is a lava cave near Harrat Nawasif/Al Buqum, located east of Makkah in the Kingdom of Saudi Arabia. Scale: See Image. © Saudi Geological Survey
Pyrolusite: MnO2
Comments: Steel-gray metallic prismatic pyrolusite crystals. Location: Hori Blatna, Czech Republic. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Pyromorphite: Pb5(PO4)3Cl
Comments: Apple green pyromorphite. Location: San Andres Mine, Villaviciosa, Cordoba, Spain. Scale: 6.5 x 5 cm. © Fabre Minerals
Pyrope: Mg3Al2(SiO4)3
Comments: Transparent, dark-red pyrope garnet. Location: Governador Valadares, Rio Doce, Minas Gerais, Southeast Region, Brazil. Scale: 6x6x6 mm. © John Betts - Fine Minerals
Pyrophanite: MnTiO3
Comments: Red-brown platy pyrophanite crystals with deep red internal hints, associated with barite. Location: Harstigen Mine, Pajsberg, Filipstad, Värmland, Sweden. Scale: See Image. © Rruff Database
Pyrophyllite: Al2Si4O10(OH)2 Rutile: TiO2
Comments: Rutile on fine-grained pyrophyllite. Location: Graves Mt. Georgia, USA. Scale: 4.5 x 5 cm. © Fabre Minerals
Pyrosmalite-(Fe): (Fe++,Mn)8Si6O15(OH,Cl)10
Comments: Crystal of ferropyrosmalite on clinochlore schist. Location: Normark, Wermland, Sweden. Scale: Crystal size 1 cm. © John Veevaert
Pyrosmalite-(Mn): (Mn,Fe++)8Si6O15(OH,Cl)10
Comments: Greenish brown, blocky crystals of manganpyrosmalite in matrix. Individual crystals are up to 7 mm long. Location: Nordmark, Varmland, Sweden. Scale: Picture size 5 cm. © John Veevaert
Comments: Hexagonal, light brown crystals of manganpyrosmalite. Location: Nordmark, Filipstad, Varmland, Sweden. Scale: Crystal size 1.5 mm. © Tom Loomis / Dakota Matrix
Pyrostilpnite: Ag3SbS3
Comments: Reddish brown, crystalline aggregate of pyrostilpnite on matrix. Location: St. Audreasberg, Hartz, Lower Saxony, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Comments: Deep bright-red, acicular crystals of pyrostilpnite to 1mm in vuggy sulfide matrix. Location: Cerro Rico, Potosi City, Potosi Dept., Bolivia. Scale: Picture size 5 mm. © Tom Loomis / Dakota Matrix
Pyroxferroite: (Fe++,Mn)7[Si7O21]
Comments: Brown crystalline pyroxferroite cleavage. Location: Ohnari Mine, Mineyama-cho, Naka-Gun, Kyoto, Japan. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Pyroxmangite: (Mn,Fe++)SiO3
Comments: Pinkish red nearly opaque crystalline pyroxmangite. Location: Shidara, Kitashidara-Gun, Aichi, Japan. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Pyrrhotite: Fe(1-x)S (x=0-0.17)
Comments: Lustrous sharp crystals of pyrrhotite to 3.5 cm in size with minor sphalerite and chalcopyrite. Location: Nikolaevskiy mine, Dal'negors, Primorskiy Kray, Russia. Scale: 4 x 5 x 5.5 cm. © Dan Weinrich