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Penkvilksite: Na4(Ti++++,Zr)2[Si8O22]·4(H2O)
Comments: Massive white cluster of Penkvilksite. Location: Lovozero, Kola Peninsula, Russia. Scale: .5 x 2.5 cm. © John Veevaert
Pentahydroborite: CaB2O(OH)6·2(H2O)
Comments: Transparent, tabular crystal of pentahydroborite on massive material. Location: Fuka Mine, Bicchu Town, Kawakama Co., Okayama Pref., Japan. Scale: Crystal size 0.8 cm. © John Veevaert
Perroudite: Hg5Ag4S5(I,Br)2Cl2
Comments: Cluster of needle-like crystals of red perroudite in quartz matrix. Location: Gap Garonne Mine, Le Pradet, Var, France. Scale: Crystal size 1 mm. © John Veevaert
Philipsburgite: (Cu,Zn)6(AsO4,PO4)2(OH)6·(H2O)
Comments: Green botryoidal micro crystals of philipsburgite. Location: Gold Hill mine, Tooele County, Utah, USA. Scale: Picture size 5 mm. © John Veevaert
Plancheite: Cu8Si8O22(OH)4·(H2O)
Comments: Open vug lined with individual plancheite crystals to 3mm. Location: Mashamba West Mine, Shaba, Democratic Republic of the Congo. Scale: 2.5 x 1.7 cm. © John Veevaert
Planerite: Al6(PO4)2(PO3OH)2(OH)8·4(H2O)
Comments: Light green, oolitic coatings of planerite on matrix. Location: Mauldin Mountain Quarry, Mt. Ida, Montgomery County, Arkansas, USA. Scale: Picture size 0.5 cm. © John Veevaert
Polycrase-(Y): (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6
Comments: Large, black, blocky polycrase-(Y) crystal. Location: Hidra, Vest-Agder, Norway. Scale: Crystal size 0.8 X 2.0 cm. © John Veevaert
Polylithionite: KLi2AlSi4O10(F,OH)2
Comments: Rosette of polylithionite crystals. Location: Mt. St. Hilaire, Quebec, Canada. Scale: 2.5 x 2.3 cm. © John Veevaert
Portlandite: Ca(OH)2
Comments: Cleaved mass of white portlandite. Location: Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 4 x 1.5 cm. © John Veevaert
Pottsite: PbBiH(VO4)2·2(H2O)
Comments: Sub-mm, bright yellow to orange pottsite crystals form coating on one side of specimen. Location: Linka Mine, Potts, Lander County, Nevada, USA. Scale: 3.5 x 4 cm. © John Veevaert