Mineral Specimen Images (S)

Senarmontite: Sb2O3

Comments: Perfect octahedral, transparent, light to dark gray senarmontite crystals to 3mm.
Location: Djebel Haminate mine, Ain Beida, Constantine, Algeria. Scale: Pictrure size 1.5 cm.
© Tom Loomis / Dakota Matrix

Senegalite: Al2(PO4)(OH)3·(H2O)

Comments: Yellowish green, prismatic, crystals of senegalite.
Location: Faleme River, Senegal. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Sengierite: Cu2(UO2)2V2O8·6(H2O)

Comments: Green, tabular, crystals of sengierite on matrix.
Location: Lubumbashi, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Sepiolite: Mg4Si6O15(OH)2·6(H2O)

Comments: Sectile to chalky massive sepiolite.
Location: Pinos Altos, Grant County, New Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Serandite: Na(Mn++,Ca)2Si3O8(OH)  
Analcime: NaAlSi2O6·(H2O)  
Natrolite: Na2[Al2Si3O10]·2(H2O)

Comments: Orange-red, blocky serandite with white, blocky natrolite and white, equant grains of analcime.
Location: Mt. St. Hilaire, Canada. Scale: 4 x 3 cm.
© Fabre Minerals

Serandite: Na(Mn++,Ca)2Si3O8(OH)  
Lintisite: Na3LiTi2Si4O14·2(H2O)

Comments: Yellowish-white fibrous veinlets of lintisite in brown serandite.
Location: Mount Alluaiv, Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Serendibite: Ca2(Mg,Al)6(Si,Al,B)6O20  
Phlogopite: KMg3(Si3Al)O10(F,OH)2

Comments: Blue serendibite, with golden colored phlogopite, in white marble.
Location: Near Johnsberg, Warren County, New York, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Serpierite: Ca(Cu,Zn)4(SO4)2(OH)6·3(H2O)

Comments: Blue, acicular crystals of serpierite.
Location: Serpieri mine, Laurium, Greece. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Serrabrancaite: MnPO4·(H2O)

Comments: SEM micrograph of dark brown to dark greenish black isometric crystals of serrabrancaite up to 0.3 mm size. (AmMin, 85:848).
Location: Alto Serra Branca pegmatite near Pedra Lavrada, Paraiba, Brazil. Scale: See Image.
© American Mineralogist

Sewardite: CaFe+++2(AsO4)2(OH)2

Comments: Photomicrograph of an isolated fragment of red sewardite as well as a fragment in green to black botryoidal matrix.
Location: Single specimen of gangue collected from the 31st level of the Tsumeb mine, Tsumeb, Namibia. Scale: See Image.
© Canadian Mineralogist

Sewardite: CaFe+++2(AsO4)2(OH)2

Comments: Deep red, micaceous sewardite crystals mistakenly identified as carminite.
Location: Benjamin Hill, Sonora, Mexico. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Shabynite: Mg5(BO3)Cl2(OH)5·4(H2O)

Comments: Translucent shabynite grains.
Location: Korshunovskoye Deposit, Irkutsk District, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Shadlunite: (Pb,Cd)(Fe,Cu)8S8

Comments: BSE polished section image of shadlunite inclusions (SHD) with galena (GN) in chalcopyrite (CP).
Location: Majak (Mayak) and Oktyaber mines, Talnakh area, Noril'sk, western Siberia, Russia. Scale: Picture Size 150 µm.
© Jeff Weissman / Photographic Guide to Mineral Species

Shafranovskite: K2Na3(Mn++,Fe++,Na)4[Si9(O,OH)27](OH)2·n(H2O), n~2.33

Comments: Yellow-brown fine grained shafranovskite with red eudialyte and black aegirine.
Location: Mount Rasvumchorr, Khibiny Massif, Kola Peninsular, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Shandite: Pb2Ni3S2

Comments: Bright silver metallic shandite blebs in serpentinite, chonchoidal fracture.
Location: Nickel Reward mine, Tasmania, Australia. Scale: See Image.
© Rruff Database

Shattuckite: Cu5(SiO3)4(OH)2  
Ajoite: (K,Na)3Cu20Al3Si29O76(OH)16·~8(H2O)

Comments: Dark blue, tabular crystals of shattuckite on light blue ajoite.
Location: New Cornelia mine, Ajo, Pima County, Arizona, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Shattuckite: Cu5(SiO3)4(OH)2

Comments: Blue micro acicular or fibrous crystals of shattuckite to 0.1mm free standing in vug.
Location: New Cornelia mine, Pima Co., Arizona, USA. Scale: Picture size 2.5 mm.
© Tom Loomis / Dakota Matrix

Shattuckite: Cu5(SiO3)4(OH)2

Comments: Blue, globular aggregates of radial shattuckite crystals.
Location: Grand View Mine, Grand Canyon, Coconino County, Arizona, USA. Scale: See Image.
© Jeff Weissman / Photographic Guide to Mineral Species

Shcherbakovite: KKNaTi2O(OH)[Si4O12]

Comments: Secondary electron image of a shcherbakovite crystal.
Location: Mount Rasvumchorr, Khibina massif, Kola Peninsula, Russia. Scale: See Image.
© Canadian Mineralogist

Shcherbinaite: V2O5

Comments: Yellow-brown acicular crystals of shcherbinaite.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 1.4 mm.
© Thomas Witzke / Abraxas-Verlag