Mineral Specimen Images (P)

Pianlinite:  
Kaolinite: Al2Si2O5(OH)4

Comments: Off-white colored minute pianlinite (kaolinite) fragment.
Location: Pianling, China. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Pickeringite: MgAl2(SO4)4·22(H2O)  
Magnesioaubertite: (Mg,Cu)Al(SO4)2Cl·14(H2O)

Comments: Aqua crystalline magnesioaubertite with white pickeringite.
Location: Grotto di Faraglione, Vulcano, Sicily, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Pickeringite: MgAl2(SO4)4·22(H2O)

Comments: Radiating fibrous pickeringite.
Location: Patagonia, Santa Cruz County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Picotpaulite: TlFe2S3

Comments: SEM image of a polished secton of picotpaulite inclusions in realgar, most likely associated with lorandite as well.
Location: Allchar (Alsar), Roszdan, Republic of Macedonia. Scale: Picture Size 300 µm.
© Jeff Weissman / Photographic Guide to Mineral Species

Picromerite: K2Mg(SO4)2·6(H2O)

Comments: Blocky white picromerite crystals on reddish halite.
Location: Heringen, Werra Valley, North Hesse, Hesse, Germany. Scale: Specimen Size 5.5 x 4.7 x 3.4 cm.
© Rob Lavinsky

Picropharmacolite: Ca4Mg(AsO3OH)2(AsO4)2·11(H2O)

Comments: White, acicular crystalline sprays of picropharmacolite on matrix.
Location: Wechsel Schacht, Richelsdorf, Hesse, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Picropharmacolite: Ca4Mg(AsO3OH)2(AsO4)2·11(H2O)

Comments: Snow white acicular, radial spray of picropharmacolite with pink sainfeldite.
Location: Wilhelm Mine, Richelsdorf District, Hesse, Germany. Scale: Cluster size 6 mm.
© Tom Loomis / Dakota Matrix

Piemontite: Ca2(Al,Mn,Fe)3(SiO4)3(OH) = Ca2(Mn,Fe)Al2(SiO4)(Si2O7)O(OH)

Comments: Red, acicular crystalline aggregates of piemontite.
Location: N'Chwaning mine, Kuruman, Nothern Cape, South Africa. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Piemontite-(Sr): (Ca,Mn++)(Sr,Ca)Mn+++(Al,Mn+++,Fe+++)2(SiO4)(Si2O7)O(OH)

Comments: Carmine red crystals of piemontite-(Sr) found on quartz.
Location: Graveglia, Piemont, Italy. Scale: See Image.
© Rruff Database

Piergorite-(Ce): Ca8Ce2(Al0.5 Fe+++0.5)([ ],Li,Be)2Si6B8O36(OH,F)2

Comments: B&W image of a group of platy-elongated crystals of piergorite-(Ce) on matrix.
Location: Tre Croci locality, Vetralla, Viterbo province, Italy. Scale: Crystal Length 400 µm.
© American Mineralogist

Pierrotite: Tl2Sb6As4S16

Comments: Orange-red micro crystals of pierrotite to 0.2 mm..
Location: Jas Roux, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France. Scale: Sample Size 1x2 cm.
© Tom Loomis / Dakota Matrix

Pigeonite: (Mg,Fe++,Ca)(Mg,Fe++)Si2O6

Comments: Dark green prismatic pigeonite crystals in matrix.
Location: Belmont Quarry, Louden County, Virginia, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Pillaite: Pb9Sb10S23ClO0.5

Comments: Scanning electron microscope image of acicular pillaite fibers. (Eur. J. Mineral, 13:606).
Location: Buca della Vena mine in the Apuan Alps, northern Tuscany, Italy. Scale: See Image.
© Eur. J. Mineral

Pilsenite: Bi4Te3

Comments: Silvery metallic pilsenite veinlets in quartz.
Location: Near Hope, British Columbia, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Pinakiolite: Mg2Mn+++O2(BO3)

Comments: Black submetallic platy pinakiolite crystals in white calcite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Pinalite: Pb3(WO4)OCl2

Comments: Yellow needles of pinalite from 0.2 to 0.5mm in rose quartz and blue caledonite.
Location: Tiger, Pinal County, Arizona, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Pinchite: Hg++5O4Cl2  
Montroydite: HgO

Comments: Minute lustrous black pinchite crystals on white montroydite.
Location: Terlingua, Brewster County, Texas, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Pinnoite: MgB2O4·3(H2O)  
Inderite: MgB3O3(OH)5·5(H2O)

Comments: Pale green translucent crystalline pinnoite on chalky white inderite.
Location: Lake Inder, Atyrau, Kazakhstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Pintadoite: Ca2V2O7·9(H2O)

Comments: Dark green to lighter green pintadoite coatings on sandstone.
Location: Deremo-Snyder Mine, San Miguel County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Pirssonite: Na2Ca(CO3)2·2(H2O)

Comments: Almost transparent platy pirssonite crystal.
Location: Searles Lake, San Bernardino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species