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Shibkovite: K(Ca,Mn,Na)2(K2-x,[ ]x)2ZnSi12O30 (x~0.8) Polylithionite: KLi2AlSi4O10(F,OH)2
Comments: Clear crystalline shibkovite aggregates with peach colored translucent polylithionite. Location: Dara-Pioz, Tien-Shan, Tadzhikistan. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Shigaite: Mn++7Al4(SO4)2(OH)22·8(H2O) Pyrochroite: Mn(OH)2
Comments: Bronzy yellow crystals of shigaite set in a crystalline matrix of reddish black pychroite. Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 2.8 x 2.3 cm. © John Veevaert
Shigaite: Mn++7Al4(SO4)2(OH)22·8(H2O)
Comments: Cluster of sharp, transparent crystals of brown shigaite to 1.2 cm across. Location: N'Chwaning mine. South Africa. Scale: Aggregate size 1.2 cm. © John Veevaert
Comments: Hexagonal aggregate of orange platy shigaite crystals on a jpale pink rhodocrosite matrix. Location: N'Chwaning mine. South Africa. Scale: Crystal size 3 mm. © Sandro Maggia/Minernet.it
Shirokshinite: K(NaMg2)Si4O10F2
Comments: Dark-brown columnar shirokshinite crystals with pinkish-brown fine-grained phillosilicate masses on greenish nathrolite. Location: Kirovskii apatite mine (Kirovsky Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV is 12x10 mm. © Pavel M. Kartashov
Shirozulite: KMn3(AlSi3)O10(OH,F)2
Comments: Back-scattered-electron image of shirozulite. Shr = shirozulite; Tp = tephroite; Ap = apatite; Rds = rhodochrosite; Bm = bementite. (AmMin, 89:233). Location: Tauchi mine, Aichi Prefecture, Japan. Scale: See Image. © American Mineralogist
Shkatulkalite: {(Na,Mn,Ca,[ ])4[Nb2(O,H2O)4Si4O14](OH,F)2}·2(H2O,[ ]) Manganoneptunite: KNa2Li(Mn,Fe++)2Ti2Si8O24
Comments: Pearly white shkatulkalite with brown mangan-neptunite grains. Location: Shkatulka pegmatite, Umbozero mine, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 4.5 mm. © Thomas Witzke / Abraxas-Verlag
Shomiokite-(Y): Na3Y(CO3)3·3(H2O)
Comments: Rose-colored single crystal of shomiokite-(Y). Location: Mt. Alluaiv, Lovozero, Kola, Russia. Scale: Specimen Size 6x9 mm. © Diederik Visser
Shortite: Na2Ca2(CO3)3
Comments: Colorless crystal of shortite on matrix. Location: Green River Formation, Sweetwater Co., Wyoming, USA. Scale: Picture size 6 mm. © Thomas Witzke / Abraxas-Verlag
Comments: Triangular shortite crystal in kerogenaceous dolomitic marlstone from the saline zone in the Green River Formation. Location: Green River, Sweetwater Co., Wyoming, USA. Scale: Crystal Size 2 mm. © Tom Loomis / Dakota Matrix