Canadian Mineralogist's Image Gallery

Petterdite: PbCr+++2(CO3)2(OH)4·H2O

Comments: Petterdite (Pe) forming a thin pink layer in grey-yellow anglesite (At) and cerussite, replacing galena (Gn), overgrown by red-yellow crocoite (Cr) and brown goethite (Gt). (CanMin, 38:1469).
Location: Red Lead mine, on the Zeehan–Dundas mining field in northwestern Tasmania, Australia.. Scale: Field of view: 15  9 mm.
© Canadian Mineralogist

Phosphowalpurgite: (UO2)Bi4(PO4)O4·2(H2O)

Comments: Scanning electron photomicrograph of tabular crystals (up to 330 microm) of phosphowalpurgite, (CanMin, 42:966)..
Location: Old mine dumps of an abandoned small ore deposit near Smrkovec, located 10 km NNE of Mariánské Lázn?, Slavkovský Les Mountains, western Bohemia, Czech Republic. Scale: Picture Size 515 µ-m.
© Canadian Mineralogist

Pizgrischite: (Cu,Fe)Cu14PbBi17S35

Comments: Pizgrischite crystals spray partially altered into malachite (green) and bismutite (yellow) in a fine-grained quartz matrix. (CanMin, v45:1229).
Location: Piz Grisch Mountain, Val Ferrera, Graubünden, Switzerland. Scale: Picture size 4 cm.
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Platarsite: (Pt,Rh,Ru)AsS

Comments: Coexisting platarsite (2) and sperrylite (1) included in a Pt-Fe alloy matrix. (CanMin, v15:385).
Location: Onverwacht mine, Transvaal, South Africa. Scale: See Image.
© Canadian Mineralogist

Polarite: Pd(Bi,Pb)  
Pasavaite: Pd3Pb2Te2

Comments: BSE image of pasavaite (pas) embedded in polarite (po) in association with sperrylite (sp), Pd-Pb-Bi-Te and Au-Ag phases. (CanMin, v47:53).
Location: Talnakh deposit, Noril’sk-Talnakh Ni-Cu camp, Taimyr Autonomous District, Russia. Scale: See Image.
© Canadian Mineralogist

Pretulite: ScPO4

Comments: SEM-BSE image of a euhedral crystal of pretulite (left), and proposed crystal forms (right).
Location: Apatite-rich oolitic Ordovician ironstone at Saint-Aubin-des-Châteaux, Armorican Massif, France. Scale: See Picture.
© Canadian Mineralogist

Pringleite: Ca9B26O34(OH)24Cl4·13(H2O)

Comments: SEM back-scatter photomicrograph of a polished thick section containing pringleite (Pr), hilgardite-lA (Hi) and halite (Hal). (CanMin, v31:795).
Location: Potash Company of America mine at Penobsquis, near Sussex, New Brunswick, Canada. Scale: Picture Size 2 mm.
© Canadian Mineralogist

Prosperite: CaZn2(AsO4)2·(H2O)

Comments: B&W image of prosperite prisms.
Location: Tsumeb, South West Africa (Namibia). Scale: Crystal Length 5 mm.
© Canadian Mineralogist

Proudite: Cu1.9Ag0.1Pb15.6Bi20.4Sb0.1S32.4Se14.5

Comments: BSE image of proudite aggregates from Tennant Creek, Australia. Pr = proudite, light grey: J = junoite, G = gangue and holes. (CanMin v47:25).
Location: Juno mine, Tennant Creek, Northern Territory, Australia. Scale: See Image.
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Putzite: (Cu4.7Ag3.3)GeS6  
Catamarcaite: Cu6GeWS8

Comments: Polished section of putzite (pu) grain in close association with unnamed Cu8Fe2ZnGe2S12 (un1) and catamarcaite (ca), as inclusions in chalcocite-sphalerite (cc/sp) (CanMin 42:1761).
Location: Old dumps near the Rosario vein, Capillitas mining district, Department of Andalgalá, Catamarca Province, Argentina.. Scale: See Image.
© Canadian Mineralogist

Qaqarssukite-(Ce): Ba(Ce,REE)(CO3)2F

Comments: SEM image showing a blocky, stepped group of qaqarssukite-(Ce) crystals with several broken needles of strontianite. (CanMin, v44:1137).
Location: Qaqarssuk complex, Greenland. Scale: See Image.
© Canadian Mineralogist

Radhakrishnaite: PbTe3(Cl,S)2  
Kolarite: PbTeCl2

Comments: Kolarite (1) and radhakrishnaite (2), replacing altaite (white) in galena (ight grey). (CanMin, v23:501).
Location: 1500 m level, Kolar gold deposit, India. Scale: Scale Bar 0.02 mm.
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Ralstonite: NaxMgxAl2-x(F,OH)6·(H2O)  
Gjerdingenite-Fe: K2[(H2O)2(Fe,Mn)][(Nb,Ti)4(Si4O12)2(O,OH)4]·4(H2O)

Comments: SEM photomicrograph of gjerdingenite-Fe. The mineral is dusted with tiny crystals of two phases. At high magnification, one of them is seen to form cubes and is probably ralstonite.
Location: Gjerdingselva, Lunner, Oppland, Oslo Region, Norway. Scale: Crystal length 0.5 mm.
© Canadian Mineralogist

Rinmanite: (Zn,Mn)2Sb2Mg2Fe4O14(OH)2

Comments: A. Specimen with carbonates (white), amphibole (reddish) and franklinite–rinmanite (dark spots). B. Same specimen illuminated with UV light (254 nm). Note the orange-red carbonate fluorescence.
Location: Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. (CanMin, v39:1675). Scale: Specimen Size 5 cm wide.
© Canadian Mineralogist

Rinmanite: (Zn,Mn)2Sb2Mg2Fe4O14(OH)2  
Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4

Comments: B&W image (reflected light) of a polished section of rinmanite and franklinite (white) with associated silicates.
Location: Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. (CanMin, v39:1675). Scale: Scale Bar 0.2 mm.
© Canadian Mineralogist

Rittmannite: Mn++Mn++Fe++Al2(OH)2(PO4)4·8(H2O)

Comments: SEM image of rittmannite crystals on massive adularia. (CanMin, v27:447).
Location: Found in altered phosphatic "nodules" from the Mangualde granitic pegmatite, Portugal. Scale: 240 X.
© Canadian Mineralogist

Ruarsite: RuAsS

Comments: BSE image showing LR: laurite, RURS: ruarsite, Ru-–ox: Ru oxide(?), Ru-Ni-As-S: unnamed Ru-Ni sulfarsenide. (CanMin, v31:331).
Location: Podiform chromitites of the Kraubath and Hochgrossen dunite-harzburgite massifs, Eastern Alps of Austria. Scale: Scale Bar 10 µm.
© Canadian Mineralogist

Ruifrancoite: Ca2([ ],Mn)2(Fe+++,Mn,Mg)4Be4(PO4)6(OH)4·6H2O

Comments: Botryoidal reddish brown aggregates of ruifrancoite associated with cyrilovite, and yellowish white spheres of meurigite on white mica. (CanMin, v45:1263).
Location: Sapucaia mine, Galiléia, Minas Gerais, Brazil. Scale: See Image.
© Canadian Mineralogist

Ruthenarsenite: (Ru,Ni)As  
Irarsite: (Ir,Ru,Rh,Pt)AsS

Comments: Photomicrograph of the largest inclusion of ruthenarsenite (Ru) associated with irarsite inclusions (Ir) in a rutheniridosmine matrix. (CanMin, v12:280).
Location: Papua New Guinea. Scale: See Image.
© Canadian Mineralogist

Salzburgite: Cu1.6Pb1.6Bi6.4S12

Comments: B&W RL image of lamella of copper-oversubstituted gladite (bd39) with incipient exsolution; above it is a large crystal of salzburgite (bd40) with lamellae of krupkaite (bd48). Bi telluride and gustavite are indicated.
Location: Found in quartz veins of the Felbertal scheelite deposit, Salzburg Province, Austria. (CanMin, v43:909). Scale: See Image.
© Canadian Mineralogist