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Olshanskyite: Ca2[B3O3(OH)6]OH·3(H2O) Henmilite: Ca2Cu[B(OH)4]2(OH)4
Comments: Milky white olshanskyite hosting crystals of deep blue henmilite to 6 mm across. Location: Fuka Mine, Bicchu Town, Kawakama Co., Okayama Pref., Japan. Scale: Crystal size 6 mm. © John Veevaert
Orthoserpierite: Ca(Cu,Zn)4(SO4)2(OH)6·3(H2O)
Comments: Vivid blue green sheets and coatings of orthoserpierite on matrix. Location: Galiuro Mt. Copper Creek, Pinal County, Arizona, USA. Scale: 3.0 X 4.4 cm. © John Veevaert
Osarizawaite: PbCuAl2(SO4)2(OH)6
Comments: Light blue micro crystals of osarizawaite and minor azurite filling vugs. Location: Silver Hill Mine, near Marana, Pinal Co. Arizona, USA. Scale: 3 x 2 cm. © John Veevaert
Oyelite: Ca10B2Si8O29·12(H2O) Bultfonteinite: Ca2SiO2(OH,F)4
Comments: White encrustation of oyelite covering brownish botryoidal bultfonteinite. Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 2 x 4 cm. © John Veevaert
Pabstite: Ba(Sn,Ti)Si3O9
Comments: Pabstite grains in matrix. It is essentially the tin analog of benitoite with tin replacing titanium in the formula 3:1. Pabstite fluoresces under SW UV light as seen in the photo. Location: Kalkar Quarry, Santa Cruz County, California, USA. Scale: 4.5 x 3 cm. © John Veevaert
Palermoite: (Sr,Ca)(Li,Na)2Al4(PO4)4(OH)4
Comments: Less than 1cm, vug with micro crystals of palermoite. Location: Palermo mine, New Hampshire, USA. Scale: Picture size 0.5 cm. © John Veevaert
Parsettensite: (K,Na,Ca)(Mn,Al)7Si8O20(OH)8·2(H2O) (?)
Comments: Yellowish brown microcrystals of parsettensite on a crystalline matrix with pyrite and apatite. Location: Foote mine, Cleveland County, North Carolina, USA. Scale: Picture size 1 cm. © John Veevaert
Partheite: Ca2Al4Si4O15(OH)2·4(H2O)
Comments: 3 mm thick white band of partheite in matrix. Location: Denezhkin, Kamen, Nord Urals, Russia. Scale: 0.9 x 1.6 cm. © John Veevaert
Pascoite: Ca3V10O28·17(H2O)
Comments: Deep reddish-orange coatings of pascoite. Individual crystals up to about 0.25 mm. Location: Slick Rock, Enar Area, San Miguel County, Utah, USA. Scale: 3 x 2 cm. © John Veevaert
Paulingite-K: (K2,Ca,Na2,Ba)5Al10Si35O90·45(H2O)
Comments: Glassy clear micro crystals of paulingite line a vug in the basalt matrix. Location: Ritter, Grant County, Oregon, USA. Scale: 2.5 x 2 cm. © John Veevaert