Spinel (FeII ,Mg)(CrIII ,Al)2 O4 , FeII Al2 O4 , MgAl2 O4
Spinel (subgroup) —
Open
Pink and blue spinels from Tajikistan
Photo by Chip Clark, via Smithsonian National Museum of Natural History
2
23
3
CL/SEM, SXES
Mineral
Spinel (subgroup) AII DIII 2 O4
—
Hercynite (var. syn) , Manganochromite , Galaxite , Chromite , Thermaerogenite , Maghemite , Cochromite , Titanomaghemite , Deltalumite , Coulsonite , Magnetite , Spinel , Dellagiustaite , Zincochromite , Vuorelainenite , Magnesiocoulsonite , Gahnite , Trevorite , Magnesioferrite , Hausmannite , Franklinite , Hercynite , Magnesiochromite , Cr spinel , Gahnite-Hercynite (series) , Guite , Hetaerolite , Jacobsite , Spinel (var. Mg, Fe, Cr) , Cuprospinel
0
27
5
CL/SEM, EDS, SXES
Subgroup
Spinel peridotite —
Peridotite —
1
0
0
—
Igneous , Intrusive , Rock type , Ultramafic
Spodumene LiAlSi2 O6
Clinopyroxene Hiddenite , Kunzite
Open
Kunzite specimen from Oceanview Mine, Pala, CA, USA
Photo by Greg Polley, via Smithsonian National Museum of Natural History
3
29
4
CL, CL/SEM
Mineral, Silicate
Stannite Cu2 FeSnS4
—
—
1
0
0
—
Mineral, Sulphide
Staurolite FeII 2 Al9 Si4 O23 (OH)
Minerals containing OH —
Open
Twinned staurolite crystals with muscovite, from Jenipapo mine, Itinga, Minas Gerais, Brazil. Specimens M 51013 and 51015, Museums Victoria.
Photo by Benjamin Healley, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
2
0
1
EDS
Hydroxide , Mineral, Silicate , Aluminosilicate
Stibarsen SbAs
—
—
1
0
0
—
Mineral, Arsenide
Stibiocolumbite SbNbO4
—
—
3
0
0
—
Mineral, Niobate
Stibnite Sb2 S3
—
—
Open
Specimen of stibnite from Banat, Romania. Specimen M 36618, Museums Victoria.
Photo by Benjamin Healley, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
15
0
1
SXES
Mineral, Sulphide
Stillwellite-(Ce) CeBSiO5
—
—
Open
Crystal of stillwellite-(Ce) (red, 1.3cm) in matrix, from Darai-Pioz Glacier, Alai Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan. Size: 4.4 x 3.8 x 2.3 cm
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
0
4
0
PL
Mineral , REE, Borosilicate
Stilpnomelane (K,Ca,Na)(Fe,Mg,Al)8 (Si,Al)12 (O,OH)36 ·n H2 O
Minerals containing H2O , Minerals containing OH —
1
0
0
—
Mineral, Hydrated , Hydroxide
Stolzite PbWO4
Lead tungstate , Scheelite (group) , Minerals containing W[VI]O4 —
Open
Image of specimen 'M 2176 Stolzite' (Museums Victoria) from Broken Hill, Far West Region, NSW, Australia
Photo by Frank Coffa, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
1
16
0
PL, PL/XL, Raman
Mineral, Tungstate
Stromeyerite CuAgS
—
—
2
0
0
—
Mineral, Sulphide
Strontianite SrCO3
Aragonite (group) , Minerals containing CO3 —
Open
Strontianite pseudo-hexagonal crystals, from Oberdorf an der Laming, Laming valley, Bruck an der Mur, Styria, Austria. Size: 2.4 x 2.3 x 1.8 cm
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
2
34
0
CL/OM, PL, PL/XL, Raman, Unknown
Carbonate , Mineral
Strontium aluminium fluoride SrAlF5
—
—
0
1
0
Unknown
Halide , Synthetic , Compound
