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Rontgenite-(Ce): Ca2(Ce,La)3(CO3)5F3
Comments: Gemmy and lustrous rontgenite-(Ce) crystals to 1.5 mm on an albite matrix. Location: Narsarsuk, Igaliko, Greenland. Scale: 3.7 x 1.5 cm. © John Veevaert
Roselite: Ca2(Co,Mg)(AsO4)2·2(H2O)
Comments: Gemmy crystals of roselite. Location: Bou Azzer, Anti-Atlas Mts., Morocco. Scale: Crystal size 3 mm. © John Veevaert
Ruizite: CaMn+++Si2O6(OH)·2(H2O) Inesite: Ca2Mn7Si10O28(OH)2·5(H2O)
Comments: 1- 3 mm crystal spray of red orange ruizite in an exposed vug in pink inesite. Location: Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: Picture size 1 cm. © John Veevaert
Rutheniridosmine: (Ir,Os,Ru)
Comments: Grain of rutheniridosmine. Location: Nevjansk, Ural Mts., Russia. Scale: Grain size 2.5 mm. © John Veevaert
Saleeite: Mg(UO2)2(PO4)2·10(H2O)
Comments: Gossanous matrix hosting abundant crystals of bright canary yellow saléeite to 1.2 cm across. Location: Ranger Mine, Northern Territories, Australia. Scale: 9 x 5.5 cm. © John Veevaert
Sampleite: NaCaCu5(PO4)4Cl·5(H2O)
Comments: Sampleite crystal groups 3 to 8 mm wide on a dark matrix. Location: Santa Catalina Mine, Sierra Gorda, Chile. Scale: Picture size 1 cm. © John Veevaert
Saneroite: Na2(Mn++,Fe+++)10Si11V+++++O34(OH)4
Comments: Reddish orange crystals of saneroite to 3 mm. Location: Vrancice near Pribram, Czech Republic. Scale: Picture size 1 cm. © John Veevaert
Scawtite: Ca7Si6(CO3)O18·2(H2O)
Comments: 1 to 2 mm transparent crystals of Scawtite on dark matrix (see pink arrows in photo). Location: Scawt Hill, Antrim, Ireland. Scale: Picture size 5 mm. © John Veevaert
Schlossmacherite: (H3O,Ca)Al3(AsO4,SO4)2(OH)6
Comments: Small (up to 3 mm) clusters of pale yellow green Schlossmacherite crystals on a siliceous matrix. Location: Guanaco, Chile. Scale: Picture size 5 mm. © John Veevaert
Schneiderhohnite: Fe++Fe+++3As+++5O13
Comments: Quartz with a 0.8 cm partial crystal of schneiderhöhnite and several smaller complete crystals of schneiderhöhnite to 3 mm. Location: Tsumeb Mine, Tsumeb, Namibia. Scale: Picture size 1.5 cm. © John Veevaert