Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Rebulite: Tl5Sb5As8S22 Realgar: AsS
Comments: Dark gray rebulite grain in red, massive realgar. Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Redledgeite: BaTi6Cr+++2O16·(H2O)
Comments: Red Ledge Mine, Washington, Washington District, Nevada Co., California, USA. Location: Green, massive redledgeite. Scale: Picture size 4.5 mm. © Thomas Witzke / Abraxas-Verlag
Reichenbachite: Cu++5(PO4)2(OH)4
Comments: Green crystals of reichenbachite on quartz. Location: Bergen, near Falkenstein, Vogtland, Saxony, Germany. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Rhabdophane-(Ce): (Ce,La)PO4·(H2O)
Comments: White acicular crystals rhabdophane-(Ce) on matrix. Location: Reinersreuth Quarry (Köhlerloch), Großer Waldstein, Weißenstadt, Fichtelgebirge, Bavaria, Germany. Scale: Picture size 1.3 mm. © Thomas Witzke / Abraxas-Verlag
Richelsdorfite: Ca2Cu5Sb(AsO4)4Cl(OH)6·6(H2O)
Comments: Greenish rounded aggregates of richelsdorfite on matrix. Location: Wilhelm Mine; Wechselschacht, near Bauhaus, Richelsdorf District, Hesse, Germany. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Rinneite: K3NaFe++Cl6 Carnallite: KMgCl3·6(H2O)
Comments: Orange to light brown rinneite with colorless carnallite. Location: Merkers, Bad Salzungen, Rhön, Thuringia, Germany. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Rodalquilarite: H3Fe+++2(Te++++O3)4Cl
Comments: Green crystals of rodalquilarite on matrix. Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 4 m. © Thomas Witzke / Abraxas-Verlag
Romanechite: (Ba,H2O)2(Mn++++,Mn+++)5O10
Comments: Black botryoidal romanèchite. Location: Callenberg North (no. 2) open cut, Callenberg, Glauchau, Saxony, Germany. Scale: Specimen size 9 mm. © Thomas Witzke / Abraxas-Verlag
Romerite: Fe++Fe+++2(SO4)4·14(H2O)
Comments: Massive, pale reddish-brown Römerite. Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Specimen size 5.8 cm. © Thomas Witzke / Abraxas-Verlag
Ronneburgite: K2MnV4O12
Comments: Reddish-brown crystals of ronneburgite on matrix. Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 2 mm. © Thomas Witzke / Abraxas-Verlag