Mineral Specimen Images (S)

Stronalsite: SrNa2Al4Si4O16  
Jadeite: Na(Al,Fe+++)Si2O6

Comments: White stronalsite veinlets in massive pale green jadeite.
Location: Ohasa, Okayama, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Strontianite: SrCO3

Comments: Lustrous, white strontianite crystals covering all sides of matrix. The strontianite fluoresces bright blue-white under UV illumination.
Location: Lime City Quarry, Lime City, Wood Co., Ohio, USA. Scale: 6x5x4 cm.
© John Betts - Fine Minerals

Strontiodresserite: (Sr,Ca)Al2(CO3)2(OH)4·(H2O)

Comments: Opaque white spherical strontiodresserite, with radial structure.
Location: Francon Quarry, Montreal, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Strontioginorite: (Sr,Ca)2B14O23·8(H2O)

Comments: Silky white strontioginorite with anhydrite.
Location: Kohnstein Quarry, Harz Mts, Thuringia, Germany. Scale: Sample Size 4 cm.
© Thomas Witzke / Abraxas-Verlag

Strontiojoaquinite: (Na,Fe++)2Ba2Sr2Ti2[Si4O12]2(O,OH)2·(H2O)

Comments: Yellow, pointed crystals of Strontiojoaquinite on matrix.
Location: Mina Numero Uno, San Benito County, California, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Strontiomelane: SrMn++++6Mn+++2O16

Comments: BSE image of strontiomelane. (CanMin, v37:673).
Location: Praboma mine near Saint-Marcel, Aosta Valley, Italian Alps, Italy. Scale: Scale Bar 100 µm.
© Canadian Mineralogist

Strontiopyrochlore: Sr2Nb2(O,OH)7

Comments: Creamy-white strontiopyrochlore pesudomorphous after twinned loparite? covered with brownish manganese oxide film.
Location: Zircon point at the NE exocontact zone of the massif. Vavnbed Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Crystal Size 8x9x9 mm.
© Pavel M. Kartashov

Strontiowhitlockite: Sr7(Mg,Ca)3(PO4)6[PO3(OH)]  
Bobierrite: Mg3(PO4)2·8(H2O)

Comments: Pale white to pink fine grained strontiowhitlockite with bobierrite.
Location: Kovdor Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Strunzite: Mn++Fe+++2(PO4)2(OH)2·6(H2O)

Comments: Acicular, stellate sprays of strunzite crystals on matrix.
Location: Palermo #1 mine, North Groton, Grafton County, New Hampshire, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Struverite: (Ti,Ta,Fe+++)O2

Comments: Struverite crystal in white feldspar.
Location: Pisek, Jihocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Struvite: (NH4)MgPO4·6(H2O)

Comments: Opaque, white crystal struvite aggregates in earthy matrix.
Location: Skipton Caves, Victoria, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Struvite: (NH4)MgPO4·6(H2O)

Comments: Yellow-brown tabular struvite crystal. Struvite is of organogenic origin and this type locality example is formed in manure pits.
Location: Nicolaikirche, Hamburg, Germany. Scale: Specimen Size 1 x 1 x 1 cm.
© Tom Loomis / Dakota Matrix

Studenitsite: NaCa2[B9O14(OH)4]·2(H2O)

Comments: Pale pink crystalline studenitsite micro fragment.
Location: Piskanja, Srbija, Yugoslavia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Studtite: [(UO2)O2(H2O)2](H2O)2  
Billietite: Ba(UO2)6O4(OH)6·8(H2O)

Comments: Acicular, white sprays of studtite crystals on yellow, tabular billietite.
Location: Shinkolobwe mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Sturmanite: Ca6(Fe+++,Al,Mn++)2(SO4)2[B(OH)4](OH)12·25(H2O)

Comments: Sharply terminated dark yellowish crystal of sturmanite with a few lesser crystals attached to one side.
Location: N'Chwaning mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 17 x 10 x 16 mm.
© Dan Weinrich

Sturtite: (Fe3+)(Mn2+,Ca,Mg)Si4O10(OH)3·10(H2O)

Comments: Dark red-brown resinous massive sturtite.
Location: North Mine, Broken Hill, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Stutzite: Ag5-xTe3,(x=0.24-0.36)

Comments: Dull black stutzite grains in white-green calcite.
Location: Mina Bambollita, Moctezuma, Sonora, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Suanite: Mg2B2O5

Comments: Dark olive green nearly opaque suanite cleavage.
Location: Houxianya, Yingkou, Liaoning, China. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sudburyite: (Pd,Ni)Sb

Comments: SEM image showing ilmenite-hematite (il-hm), chalcopyrite (ccpy), and magnetite-ulvospinel (mte-usp). Detailed SEM image shows composite grain of sudburyite and safflorite (7 x 4 µm).
Location: Fesh road cut for Interstate 83 at Reesers Summit, one mile south of the exit for the Pennsylvania Turnpike between Harrisburg and York in York County, Pennsylvania, USA. Scale: See Image.
© Pennsylvania DCNR

Sudoite: Mg2(Al,Fe+++)3Si3AlO10(OH)8  
Manganite: MnO(OH)

Comments: Pinkish to nearly white earthy sudoite with dark manganite.
Location: Ilfeld, Nordhausen, Erfurt district, Harz Mts, Thuringia, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag