Selenium Se
—
—
Open
The black vitreous selenium allotrope
©
(C) 2012 W. Oelen (via Wikimedia Commons). CC-BY-SA 3.0
9
2
SXES
Mineral , Metal , Element
Sellaite MgF2
Magnesium fluoride —
Open
Sellaite crystal from Serra das Éguas, Brumada, Bahia, Northeast Region, Brazil. Size: 4.2 x 2.4 x 2 cm.
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
5
0
IR, PL, PL/XL, Unknown
Mineral, Halide
Serandite NaMnII 2 Si3 O8 (OH)
Minerals containing OH , Wollastonite (group) —
Open
Sérandite specimen from Poudrette quarry, Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada. Size: 5.2 x 2.7 x 2 cm
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
1
0
PL
Mineral, Silicate , Hydroxide
Shibkovite K2 Ca2 (Zn3 Si12 )O30
Osumilite (group) —
2
0
PL
Mineral, Silicate
Shomiokite-(Y) Na3 Y(CO3 )3 ·3H2 O
Minerals containing H2O , Minerals containing CO3 —
Open
Shomiokite-(Y) from Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada. FOV 3.8 x 2.6 mm
©
Photo by Modris Baum (via Wikimedia Commons), Public Domain
5
0
PL
Carbonate , Mineral , REE, Hydrated
Shortite Na2 Ca2 (CO3 )3
Minerals containing CO3 —
Open
Shortite (lemon yellow) in gonnardite, from Poudrette quarry, Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada. Size 3.5 x 2.1 x 2.0 cm
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
10
0
PL, PL/XL
Carbonate , Mineral
Siderite (Fe,Mg,Ca)CO3 , FeCO3
Minerals containing CO3 , Calcite (group) —
Open
Siderite specimen from La Mure, Isère, Rhône-Alpes, France
©
Photo by Géry PARENT (via Wikimedia Commons), Public domain
0
1
Reflectance
Carbonate , Mineral
Sidorenkite Na3 Mn(PO4 )(CO3 )
Minerals containing CO3 , Minerals containing PO4 —
Open
Pinkish crystals of sidorenkite, from Alluaiv Mountains, Lovozero, Kola, Russian Federation.
©
Photo by David Hospital (via Wikimedia Commons), CC-BY-SA 4.0
1
0
Unknown
Carbonate , Mineral, Orthophosphate , Phosphate
Silica SiO2
—
Mogánite , Cristobalite , Coesite , Tridymite , Quartz, rose , Quartz, igneous , Quartz , Stishovite , Quartz, microcrystalline , Quartz, smoky , Quartz, pegmatitic , Lechatelierite , Quartz, granitic
Open
©
Photo by Egandolfo (via Wikimedia Commons), Public Domain
61
3
CL, CL/SEM
Simple oxide , Compound
Silicon Si
—
—
Open
©
(C) 2016 Th. Voekler (via Wikimedia Commons). CC-BY-SA-3.0
6
3
SXES
Mineral , Metal , Element
Silicon carbide SiC
—
Moissanite
Open
Crystals of synthetic moissanite
©
Photo by Brillar CO., LTD (https://brillar-shop.jp/pages/moissanite), CC-BY-SA 4.0
36
0
CL/SEM, EL, PL, PL/Laser
Synthetic , Compound, Carbide
Silver Ag
—
—
Open
Silver. Bureau of Mines, Mineral Specimens C1650.
©
Photo courtesy of the US Geological Survey. Public domain.
11
2
SXES
Mineral , Metal , Element
Simpsonite Al4 Ta3 O13 (OH)
Minerals containing OH —
Open
Simpsonite specimen from Alto do Giz pegmatite, Equador, Borborema mineral province, Rio Grande do Norte, Northeast Region, Brazil. Size: 1.3 x 1.2 x 0.8 cm.
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
4
0
CL, PL/XL
Mineral, Hydroxide
Sklodowskite Mg(UO2 )2 (SiO3 OH)2 ·6H2 O
Minerals containing H2O , Minerals containing OH —
Open
Yellow Sklodowskite needles with green malachite core, Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga, Democratic Republic of Congo, specimen size: 5.8cm
©
Photo by Weirdmeister (Wikimedia Commons), CC-BY-SA 4.0
2
0
Unknown
Hydroxide , Mineral, Silicate , Uranyl , Hydrated
Smectite (group) A0.3 D2-3 [T4 O10 ]Z2 · n H2 O
Clay Illite-Smectite 12.0A , Nontronite , Swinefordite , Montmorillonite , Stevensite , Volkonskoite , Illite-Smectite 11.5A , Ferrosaponite , Hectorite , Yakhontovite , Saponite , Saliotite , Montmorillonite, Fe , Zincsilite , Beidellite , Sauconite
2
0
Reflectance
Group , Hydrated, Aluminosilicate
