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Raadeite: Mg7(PO4)2(OH)8
Comments: Black and white image of a petrographic thin section showing two crystals of raadeite (arrows) included in holtedahlite. (Eur. J. Mineral, 13:320). Location: Nodules of apatite + Mg-phosphates within the Tingelstadtjern serpentinite body, Modum district, Norway. Scale: See Image. © Eur. J. Mineral
Raadeite: Mg7(PO4)2(OH)8 Heneuite: CaMg5(PO4)3(CO3)(OH)
Comments: Translucent aqua colored greasy heneuite grain, surrounded by beige rim of raadeite, with dark blue phosphoellenbergerite inclusion (near top of heneuite), in quartz apatite rock. Location: Tingelstadt Iron Mine, Modum, Buskerud, Norway. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Rabbittite: Ca3Mg3(UO2)2(CO3)6(OH)4·18(H2O)
Comments: Fine, yellow, acicular sprays of rabbittite to about 1mm on matrix. Location: Hideout mine, San Juan Co., Utah, USA. Scale: 20x10x4mm. © Tom Loomis / Dakota Matrix
Rabejacite: Ca(UO2)4(SO4)2(OH)6·6(H2O)
Comments: Yellow rabejacite grains on matrix. Location: Mas d'Alary, Lodève, Hérault, Languedoc-Roussillon, France. Scale: Picture size 1.2 mm. © Thomas Witzke / Abraxas-Verlag
Radhakrishnaite: PbTe3(Cl,S)2 Kolarite: PbTeCl2
Comments: Kolarite (1) and radhakrishnaite (2), replacing altaite (white) in galena (ight grey). (CanMin, v23:501). Location: 1500 m level, Kolar gold deposit, India. Scale: Scale Bar 0.02 mm. © Canadian Mineralogist
Radhakrishnaite: PbTe3(Cl,S)2
Comments: Polished Section image of radhakrishnaite (Rad) with bluish to brownish tarnishing colors. Location: Oktyabrsky Mine, Norilsk, Russia. Scale: Picture Size 0.16 mm. © Thomas Witzke
Radtkeite: Hg3S2ClI Corderoite: Hg3S2Cl2
Comments: SEM image of prismatic radtkeite crystals and equant corderoite crystals on quartz matrix. AmMin, v76:1715). Location: McDermitt mercury mine, Humboldt County, Nevada, USA. Scale: Scale Bar 10 µm. © American Mineralogist
Raguinite: TlFeS2
Comments: Murky gray-brown fine grained raguinite mass, intermixed with pyrite. Location: Allchar, Macedonia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Raite: Na4Mn++4Si8(O,OH)24·9(H2O)
Comments: Golden raite crystals up to 2 mm long filling cavities in white microcline with minor lomonosovite and natrolite. Location: Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: 7x4x3 cm. © John Betts - Fine Minerals
Raite: Na4Mn++4Si8(O,OH)24·9(H2O) Mountainite: (Ca,Na2,K2)2Si4O10·3(H2O)
Comments: Bright white fibrous acicular mountainite crystal aggregate with pale golden raite. Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species