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Sarabauite: CaSb10O10S6
Comments: Deep red crystalline sarabauite in matrix. Location: Sarabau Mine, Sarawak Province, Borneo. Scale: 2.2x1.2x1 cm. © Richard Dale / Dale Minerals
Sarcolite: NaCa6Al4Si6O24F (?)
Comments: Rounded colorless sarcolite crystals associated with orange gehlenite and black augite. Location: Monte Somma, Vesuvius, Italy. Scale: See Image. © Rruff Database
Sarcopside: (Fe++,Mn,Mg)3(PO4)2
Comments: Brown massive sarcopside. Location: Bull Moose Mine, Custer County, South Dakota, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Sarkinite: Mn++2(AsO4)(OH)
Comments: Reddish brown crystalline aggregates of sarkinite on matrix. Location: Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Sarmientite: Fe+++2(AsO4)(SO4)(OH)·5(H2O)
Comments: Pale olive-green chalky massive sarmientite. Location: Kotzebue, Alaska, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Sartorite: PbAs2S4
Comments: Black, striated crystal of Sartorite on dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Comments: Excellent prismatic sartorite crystal on white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal length 1 cm. © Walter Gabriel
Saryarkite-(Y): Ca(Y,Th)Al5(SiO4)2(PO4,SO4)2(OH)7·6(H2O)
Comments: Single grain of saryarkite-(Y). Location: Akkuduk (White Well) occurrence, Mointy, Dzezkazgan Oblast', Kazakhstan. Scale: Not Given. © Sergey Vasiliev / Systematic Mineralogy
Sasaite: (Al,Fe+++)14(PO4)11(SO4)(OH)7·84(H2O)
Comments: Whitish sasaite coatings on altering serpentinite rock. Location: Breitenau, Steiermark, Austria. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Sassolite: H3BO3
Comments: Colorless, pseudohexagonal crystals of sassolite. Location: Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany. Scale: Picture size 2.5 mm. © Thomas Witzke / Abraxas-Verlag
Satimolite: KNa2Al4(B2O5)3Cl3·13(H2O)
Comments: Porcelaneous massive satimolite. Location: Satimola-Sahstock, Zapadno-Kazahstan, Kazakhstan. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Satterlyite: (Fe++,Mg)2(PO4)(OH)
Comments: Cleaved nodule of brown crystalline satterlyite aggregate. Location: Big Fish River, Yukon, Canada. Scale: 3 x 1.5 cm. © Dave Barthelmy
Sauconite: Na0,3Zn3(Si,Al)4O10(OH)2·4(H2O)
Comments: Pale brown earthy sauconite on hemimorphite microcrystals. Location: Doughty Mine, near Sunbury, Northumberland County, Pennsylvania, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Sazhinite-(La): Na3La[Si6O15]·2(H2O)
Comments: White, fine-grained crystalling sazhinite-(La) lining vugs in matrix. Location: Aris Phonolite, Windhoek, Namibia. Scale: Specimen Size 19x13x10 mm. © Sergey Vasiliev / Systematic Mineralogy
Sazykinaite-(Y): Na5YZrSi6018·6(H2O)
Comments: Light brown crystals of sazykinaite-(Y). Location: Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 6 mm. © Thomas Witzke / Abraxas-Verlag
Sborgite: NaB5O6(OH)4·3(H2O)
Comments: Pale grayish-green massive sborgite. Location: Furnace Creek borate area, Death Valley, Inyo County, California, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Scacchite: MnCl2
Comments: Deliquescent reddish scacchite crust on volcanic rock. Location: Vesuvius, Campania, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Scainiite: Pb14Sb30S54O5
Comments: Black metallic prismatic scainite crystals and crystalline masses on limestone. Location: Tafone Mine, near Manciano, Grosseto, Tuscany, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Scandiobabingtonite: Ca2(Fe++,Mn)ScSi5O14(OH)
Comments: Green micro crystals of scandiobabingtonite to about 0.75mm with several grayish brown ball-like micro crystals of titanite to 0.75mm scattered in a large vug. Location: Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway. Scale: Picture size 2.5 mm. © Tom Loomis / Dakota Matrix
Scapolite: (Na,Ca)4[(Al,Si)12O24]Cl
Comments: Violet colored, gemmy crystal of Scapolite, with upper terminations. Location: Dodoma, Tanzania. Scale: 1 x 0.5 cm. © Fabre Minerals