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Celadonite: K(Mg,Fe++)(Fe+++,Al)[Si4O10](OH)2
Comments: Greenish masses of celadonite filling vesicles in basaltic rock. Location: Socorro County, New Mexico, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Celestine: SrSO4
Comments: Transparent blue orthorhombic crystals of celestine, some doubly terminated to 15 mm in size, on a limestone matrix. Location: Clay Center, Ohio, USA. Scale: 5 x 9 x 2.5 cm. © Dan Weinrich
Celsian: BaAl2Si2O8 Hendricksite: K(Zn,Mg,Mn)3Si3AlO10(OH)2
Comments: Gray massive celsian with dark red hendricksite. Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Celsian: BaAl2Si2O8 Alforsite: Ba5(PO4)3Cl Titantaramellite: Ba4(Ti,Fe+++,Fe++,Mg)4(B2Si8O27)O2Clx X=0 TO 1, with Ti > Fe Sanbornite: BaSi2O5
Comments: SEM image showing alforsite (al). Matrix composed by lamellar sanbornite (sa) and granular quartz (q). Rectangular crystal in the upper right corner is titantaramellite (ti) and isometric crystals included in sanbornite are celsian (ce). Location: Trumbull Peak, near Incline, Mariposa Co., California, USA. Scale: See Image. © Pavel M. Kartashov
Cerchiaraite: Ba4(Mn,Fe,Al)4Si6(O,OH,Cl)26
Comments: Green aggregates of cerchiaraite on matrix. Location: Cerchiara Mine, Near Faggiona, Val di Vara, Eastern Liguria, Italy. Scale: Specimen Size 13x7x6 mm. © Sergey Vasiliev / Systematic Mineralogy
Cerianite-(Ce): (Ce++++,Th)O2
Comments: Black crystal of cerianite-(Ce) on matrix. Location: Ettringer Bellerberg, Ettringen, near Mayen, Eifel Mts, Rhineland-Palatinate, Germany. Scale: Picture size 1.2 mm. © Thomas Witzke / Abraxas-Verlag
Ceriopyrochlore-(Ce): (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F)
Comments: Dark-brown granular aggregate of compact ceriopyrochlore-(Ce) with fine-granular aggregate of more light-brown zircon. Location: Katugin Ta-Nb deposit (Katuginskoye deposit), Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: FOV is 8x5 cm. © Pavel M. Kartashov
Cerite-(Ce): Ce+++9Fe+++(SiO4)6[(SiO3)(OH)](OH)3
Comments: Brownish pink, thin, massive crystalline coating of cerite-(Ce). Location: Bastnas, Riddarhyttan, Sweden. Scale: See Image. © Rruff Database
Cerite-(La): (La,Ce,Ca)9(Mg,Fe+++)(SiO4)6[SiO3(OH)](OH)3
Comments: Orange aggregates of cerite-(La) in matrix, (CanMin, 40:1179). Location: Mt. Yuksporr, Khibina massif, Kola Peninsula, Russia. Scale: Specimen size 3.5 cm. © Canadian Mineralogist
Comments: SEM photomicrograph of a rhombohedral crystal of cerite-(La). Location: Mt. Yuksporr, Khibina massif, Kola Peninsula, Russia. Scale: Crystal size 2 mm. © Canadian Mineralogist