's Image Gallery

Roquesite: CuInS2

Comments: Polished section (PPL) showing bluish-gray, anhedral roquesite grains in violet-gray bornite, with blue covellite veinlets.
Location: Charrier, Allier, France. Scale: Picture size 0.7 mm.
© Thomas Witzke

Rorisite: (Ca,Mg)FCl

Comments: Colorless to white tabular crystals of Rorisite. Rorisite is extremely hygroscopic and must be stored in closed vials. The picture was made through the vial.
Location: Kopeisk, Chelyabinsk Oblast', Urals Region, Russia. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Rosasite: (Cu,Zn)2(CO3)(OH)2

Comments: Rosasite on malachite after azurite. Blocky crystals of azurite to 2.5 cm in size, completely altered to malachite, then coated by pale sky-blue rosasite.
Location: Silver Bill mine, Gleeson, Cochise Co., Arizona, USA. Scale: 4 x 7.5 x 2 cm.
© Dan Weinrich

Roscherite: Ca(Mn++,Fe++)5Be4(PO4)6(OH)4·6(H2O)  
Hurlbutite: CaBe2(PO4)2

Comments: White, round crystal clusters of hurlbutite on reddish brown roscherite.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Roscherite: Ca(Mn++,Fe++)5Be4(PO4)6(OH)4·6(H2O)  
Parafransoletite: Ca3Be2(PO4)2(PO3,OH)2·4(H2O)

Comments: White, crystalline aggregate sprays of parafransoletite on dark reddish brown roscherite with massive, white, sucrosic whitlockite.
Location: Tip Top mine, Custer County, South Dakota, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Roscherite: Ca(Mn++,Fe++)5Be4(PO4)6(OH)4·6(H2O)  
Englishite: K3Na2Ca10Al15(PO4)21(OH)7·26(H2O)

Comments: Black crystalline aggregate of roscherite on white englishite.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Roscherite: Ca(Mn++,Fe++)5Be4(PO4)6(OH)4·6(H2O)  
Viitaniemiite: Na(Ca,Mn++)Al(PO4)(F,OH)3

Comments: Colorless to pink viitaniemiite with brownish roscherite.
Location: Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Roscherite: Ca(Mn++,Fe++)5Be4(PO4)6(OH)4·6(H2O)  
Ushkovite: MgFe+++2(PO4)2(OH)2·8(H2O)

Comments: Translucent ushkovite microcrystals with orange roscherite on feldspar.
Location: Galileia, Minas Gerais, Brazil. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Roscoelite: K(V,Al,Mg)2AlSi3O10(OH)2

Comments: Dull olive green fine grained roscoelite cementing sandstone.
Location: Rifle Mine, Garfield County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Roscoelite: K(V,Al,Mg)2AlSi3O10(OH)2  
Zincochromite: ZnCr2O4

Comments: Roscoelite segregation filled with rich impregnation zincochromite microcrystals (up to 60 vol.%). Metallic-white grains of clausthalite are visible. Inset polished section image shows crystals of zincochromite in chromceladonite matrix.
Location: Srednyaya Padma U-V deposit, Zaonezhie peninsula, Lake Onega, Karelia Republic, Northern Region, Russia. Scale: Specimen size is 6x4x4 cm.
© Pavel M. Kartashov

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

Roselite-beta: Ca2(Co,Mg)(AsO4)2·2(H2O)

Comments: Clear, rose-colored roselite-beta crystalline grains.
Location: Bou Azzer, Anti-Atlas Mountains, Morocco. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Roselite-beta: Ca2(Co,Mg)(AsO4)2·2(H2O)

Comments: Deep red, well crystallized roselite-beta covering a small pocket in white calcite.
Location: Ahrbar, Bou-Azzer area. Scale: 7 x 4 x 4.5 cm.
© Fabre Minerals

Rosenbergite: AlF3·3(H2O)

Comments: Colorless prismatic crystals of rosenbergite on a dark matrix.
Location: Cetine di Cotorniano Mine (Cetine Mine; Tafone Mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Rosenbuschite: (Ca,Na)3(Zr,Ti)Si2O8F

Comments: Tan prismatic crystalline rosenbuschite in schist.
Location: Norra Karr, Jonkoping, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rosenhahnite: Ca3Si3O8[(OH)2-4x,(CO3)x]

Comments: Crystalline massive rosenhahnite.
Location: Near Healdsburg, Mendocino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rosiaite: PbSb+++++2O6  
Valentinite: Sb2O3

Comments: Beige crystals of rosiaite with a colorless valentinite prism.
Location: Tafone Mine, Manciano, Grosseto, Tuscany, Italy. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Rosickyite: S

Comments: Orange selenian rosickyite (containing 48.9 wt-% Se).
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 8 mm.
© Thomas Witzke / Abraxas-Verlag

Rossite: CaV2O6·4(H2O)

Comments: Scaly crystalline rossite on silty sandstone.
Location: Buckhorn Mine, San Miguel County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rosslerite: Mg(AsO3OH)·7(H2O)

Comments: Colorless crystals of rösslerite.
Location: Jáchymov (St Joachimsthal), Krusné Hory (Erzgebirge), Západoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag