's Image Gallery

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

Rutheniridosmine: (Ir,Os,Ru)

Comments: Grain of rutheniridosmine.
Location: Nevjansk, Ural Mts., Russia. Scale: Grain size 2.5 mm.
© John Veevaert

Ruthenium: (Ru,Ir,Os)  
Palladodymite: (Pd,Rh)2As  
Hongshiite: PtCu

Comments: Palladodymite (light gray, in two small grains), hongshiite (pale creamy grayish, tarnished brownish) in massive ruthenium. Polished section (from microprobe analysis) in reflected light.
Location: Miass River, Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia. Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag

Ruthenium: (Ru,Ir,Os)  
Isoferroplatinum: (Pt,Pd)3(Fe,Cu)

Comments: Scanning electron micrograph of polished section of ruthenium nugget with isoferroplatinum inclusions.
Location: Miass River, Chelyabinsk District, Southern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rutherfordine: UO2(CO3)

Comments: Yellow, bladed crystals of rutherfordine.
Location: Shinkolobwe Mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Rutherfordine: UO2(CO3)  
Wyartite: Ca3U++++(UO2)6(CO3)2(OH)18·3-5(H2O)

Comments: Brown, acicular wyartite crystals next to bright yellow rutherfordine tufts.
Location: Shinokolbwe mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Rutile: TiO2  
Pyrophyllite: Al2Si4O10(OH)2

Comments: Rutile on fine-grained pyrophyllite.
Location: Graves Mt. Georgia, USA. Scale: 4.5 x 5 cm.
© Fabre Minerals

Rutile: TiO2  
Hematite: Fe2O3

Comments: Acicular, golden yellow crystals of rutile epitaxially overgrown on black crystals of hematite. The overgrowths are perpendicular to the trigonal crystallography of the hematite.
Location: Novo Horizonte, Bahia Brazil. Scale: 4 x 3.5 x 3 cm.
© Fabre Minerals

Rynersonite: Ca(Ta,Nb)2O6

Comments: Off-white fibrous rynersonite.
Location: Brown Derby No. 1 Mine, Gunnison County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rynersonite: Ca(Ta,Nb)2O6  
Schiavinatoite: (Nb,Ta)BO4

Comments: Brown, columnar schiavinatoite with minor white rynersonite sticks on quartz.
Location: Ampanodiana Sud, Tetezantsio, Mahaiza, Antananarivo, Madagascar. Scale: See Image.
© Jeff Weissman / Photographic Guide to Mineral Species

Sabatierite: Cu4TlSe3

Comments: Polished section with silvery metallic sabatierite in berzelianite.
Location: Bukov, Moravia, Czech Republic. Scale: Specimen Size 2x4 cm.
© Diederik Visser

Sabelliite: Cu2Zn(As,Sb)O4(OH)3

Comments: Green crystalline sabelliite on matrix.
Location: West Schrofen, Brixlegg, Tirol, Austria. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sabieite: (NH4)Fe+++(SO4)2

Comments: Massive, porous aggregate of sabieite.
Location: Carola Mine, Freital, Dresden, Saxony, Germany. Scale: Picture size 4.5 cm.
© Thomas Witzke / Abraxas-Verlag

Sabinaite: (Na,Ca)4Zr2Ti(CO3)4O4

Comments: White, prismatic crystals of sabinaite on matrix.
Location: Poudrette quarry, Mont St Hilaire, Rouville county, Quebec. Scale: 4.5 x 3.8 x 3 cm.
© Fabre Minerals

Sabugalite: HAl(UO2)4(PO4)4·16(H2O)

Comments: Platy sabugalite crystals.
Location: Margnac, Haute-Vienne, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sabugalite: HAl(UO2)4(PO4)4·16(H2O)

Comments: Squarish, platy, pale yellowish green sabugalite crystals.
Location: Sabugal County, Beira Alta Province, Portugal. Scale: Picture size 3 mm.
© Paul M. Schumacher

Sacrofanite: (Na,Ca,K)9Si6Al6O24[(OH),(SO4),(CO3),Cl)]4·n(H2O)

Comments: Translucent crystalline sacrofanite on diopside.
Location: Sacrofano Quarry, Rome, Lazio, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sadanagaite: (K,Na)Ca2(Fe++,Mg,Al,Ti)5[(Si,Al)8O22](OH)2

Comments: Heavy mineral concentrate of black to dark brown grains showing strong pleochroism.
Location: Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia. Scale: See Image.
© Rruff Database

Saddlebackite: Pb2Bi2Te2S3

Comments: BSE image of a saddlebackite grain.
Location: Kockkar' deposit, Plast Town, southern Urals, Russia. Scale: Scale Bar 300µm.
© Diederik Visser

Safflorite: (Co,Fe)As2

Comments: Safflorite covering three faces of the specimen, with silver.
Location: Castle Mine (Castle-Tretheway Mine), Gowganda, Haultain Township, Timiskaming District, Ontario, Canada. Scale: 7x 3x 3.5 cm.
© Ibrahim Jameel / Khyber Mineral Company