's Image Gallery

Switzerite: (Mn++,Fe++)3(PO4)2·7(H2O)

Comments: Pale brown sub-metallic thin platy switzerite coatings.
Location: Foote Mine, King's Mountain, Cleveland County, North Carolina, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sylvanite: (Au,Ag)2Te4

Comments: Flat-lying, metallic crystallized sylvanite on a quartz rich matrix. Caleb Simkoff Collection.
Location: Sacaramb (Nagyag), Transylvania, Romania. Scale: 7.5 x 8.5 x 4 cm.
© Dan Weinrich

Sylvite: KCl

Comments: Translucent sylvite crystal cluster, somewhat deliquescent.
Location: F.O. Kailwerk, Sigmundshall, near Wunstorf, Niedersachsen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Symplesite: Fe++3(AsO4)2·8(H2O)

Comments: Fan-shaped spray of acicular symplesite on matrix.
Location: Saubachthal, Saxony, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Synadelphite: (Mn,Mg,Ca,Pb)9(As+++O3)(As+++++O4)2(OH)9·2(H2O) (?)

Comments: Moss mine, Nordmark, Värmland, Sweden.
Location: Black psuedo-octahedral crystals of synadelphite with cube modifications. Scale: See Image.
© Rruff Database

Synchysite-(Ce): CaCe(CO3)2F  
Cordylite-(Ce): Ba(Ce,La)2(CO3)3F2

Comments: Yellow crystals of cordylite-(Ce) on light brownish synchysite-(Ce).
Location: Narssârssuk (Narsarsuk), Igaliko, Greenland. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Synchysite-(Ce): CaCe(CO3)2F

Comments: Prismatic crystals of synchysite-(Ce) on matrix.
Location: Kaiserer quarry, Raurisertal, Salzburg, Austria. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Synchysite-(Y): CaY(CO3)2F

Comments: Small thin tabular crystals of synchysite-(Y) in a vug.
Location: Cuasso da Monte, Varese province, Lombardy, Italy. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Syngenite: K2Ca(SO4)2·(H2O)

Comments: Opaque platy crystal syngenite rosette on massive white halite.
Location: Sigmundshall Mine, Bokelch, Hannover, Niedersachsen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Szaibelyite: MgBO2(OH)  
Borcarite: Ca4MgB4O6(OH)6(CO3)2

Comments: Pale aqua granular borcarite with white fibrous to granular szaibelyite.
Location: Nalednoya, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Szaibelyite: MgBO2(OH)  
Kainite: MgSO4·KCl·3(H2O)

Comments: pale violet granular kainite intermixed with white ascharite (szaibelyite).
Location: Havesa, Empelde, Hannover, Niedersachsen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Szaibelyite: MgBO2(OH)

Comments: Bright white fibrous szaibelyite coating on serpentinite rock.
Location: Stinson Beach, Marin County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Szenicsite: Cu3MoO4(OH)4

Comments: Deep green szenicsite crystals on siliceous green to brown jasperoid.
Location: Jardinera #1 Mine, Atacama Province, Chile. Scale: 6.2 x 3.5 cm.
© John Veevaert

Szmikite: MnSO4·(H2O)

Comments: Tan translucent szmikite.
Location: Calumet Mine, Galena Hill, Yukon Territory, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Szomolnokite: Fe++SO4·(H2O)  
Voltaite: K2Fe++5Fe+++3Al(SO4)12·18(H2O)

Comments: Whitish crystalline crust of voltaite on crystals of brown szomolnokite.
Location: Alcaparrosa Mine, Cerritos Bayos, Chile. Scale: Picture size 1 cm.
© John Veevaert

Szomolnokite: Fe++SO4·(H2O)  
Halotrichite: Fe++Al2(SO4)4·22(H2O)

Comments: Tan powdery szomolnokite crust on silky fibrous halotrichite with yellow metavoltine.
Location: Markey Mine, Red Canyon, San Juan County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Szymanskiite: Hg+16(Ni,Mg)6(H3O)8(CO3)12·3(H2O)

Comments: SEM image of a group of szymafskiite crystals. (CanMin, v28:703).
Location: Clear Creek mercury mine, New Idria district, San Benito County, California. Scale: See Image.
© Canadian Mineralogist

Taaffeite:  
Magnesiotaaffeite-6N3S: (Mg,Fe++,Zn)2Al6BeO12  
Magnesiotaaffeite-2N2S: Mg3Al8BeO16

Comments: BSE image of magnesiotaaffeite-6N3S (Mgt-6N3S) with a central lamella of magnesiotaaffeite-2N2S (Mgt-2N2S). Other minerals Spl: spinel; Chl: clinochlore.
Location: Polymetamorphic dolomite marble at Eastern Alps, Stubenberg, Styria, Austria. (CanMin, v46:1195). Scale: See Image.
© Canadian Mineralogist

Tacharanite: Ca12Al2Si18O33(OH)36  
Phillipsite-Na: (Na,K,Ca)1-2(Si,Al)8O16·6(H2O)

Comments: Spherical tacharanite aggregates on phillipsite crystals.
Location: Espalion, Aveyron, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tachyhydrite: CaMg2Cl6·12(H2O)

Comments: Translucent pink tinted granular tachyhydrite.
Location: Stassfurt, Sachsen-Anhalt, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species