Mineralogy Database

R Listing of Minerals

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R Mineral Index (208 Count)

This alphabetical listing of R minerals include synonyms of accepted mineral names, pronunciation of that name, name origins, and locality information.

LEGEND: Valid Species (Bold);  Pronunciation;  Mineral Image;  Mineral Image Gallery;  jCrystal Form;  jPOWD Form;          Calculated Radioactive Intensity

R Mineral Pages: [1] [2] [3]
Rabbittite Say Rabbittite  View Rabbittite Image  Ca3Mg3(UO2)2(CO3)6(OH)4·18(H2O) Valid Species (Pre-IMA) 1955
NAME ORIGIN: Named for John Charles Rabbitt (1907-1957), geologist with the U. S. Geological Survey.
Rabejacite Say Rabejacite  View Rabejacite Image  Ca(UO2)4(SO4)2(OH)6·6(H2O) Approved IMA 1993
NAME ORIGIN: Named for the locality. LOCALITY: Rabejac and Mas d'Alary village a few kilometers from Lodeve, France.
Radhakrishnaite Say Radhakrishnaite  View Radhakrishnaite Images Gallery PbTe3(Cl,S)2 Approved IMA 1987
NAME ORIGIN: Named after B. P. Radhakrishna (1918-), Indian mineralogist.
Radial Blende - See Wurtzite
Radiobarite  (Ba,Ra)SO4 Not Submitted IMA
NAME ORIGIN: From radium replacing barium and from the Greek, baryos, "heavy."
Radovanite  Cu2Fe+++(AsO4)[As+++O2(OH)2]·H2O Approved IMA 2002 (Dana # Added)
NAME ORIGIN: Named for Radovan Cerny (1957-), crystallographer at the University of Geneva, Switzerland.
Radtkeite Say Radtkeite  View Radtkeite Image  Hg3S2ClI Approved IMA 1991
NAME ORIGIN: Named for Arthur S. Radtke (1936-2004), geologist, U. S. Geological Survey.
Rafaelite - See Paralaurionite
Raguinite Say Raguinite  View Raguinite Image  TlFeS2 Approved IMA 1969
NAME ORIGIN: Named for Eugene Raguin (1900-), French geologist.
Raite Say Raite  View Raite Image  Na4Mn++4Si8(O,OH)24·9(H2O) Approved IMA 1973
NAME ORIGIN: Named in honor of the international group of scientists, captained by Thor Heyerdahl, crewing the papyrus ship Ra (1969-1970).
Rajite Say Rajite  View Rajite Image  CuTe++++2O5 Approved IMA 1979
NAME ORIGIN: Named after Robert Allen Jenkins (RAJ-ite), a mineralogist who first recognized the species.
Ralstonite Say Ralstonite  View Ralstonite Image  NaxMgxAl2-x(F,OH)6·(H2O) Valid Species (Pre-IMA) 1871
NAME ORIGIN: Named for J. Grier Ralston (1851-1880) of Norristown, Pennsylvania, USA, who first observed the mineral.
Ramanite-(Cs) View Ramanite-(Cs) Image Cs[B5O6(OH)4]·2H2O Approved IMA 2007 (Dana # Added)
NAME ORIGIN: Named for Chandrasekhara Venkata Raman (1888-1970), Nobel Prize winner in Physics in 1930 for discovering the effect that bears his name.
Ramanite-(Rb) View Ramanite-(Rb) Image  Rb[B5O6(OH)4]·2H2O Approved IMA 2007 (Dana # Added)
NAME ORIGIN: Named for Chandrasekhara Venkata Raman (1888-1970), Nobel Prize winner in Physics in 1930 for discovering the effect that bears his name.
Rambergite Say Rambergite  View Rambergite Image  MnS Approved IMA 1995 (Dana # Added)
NAME ORIGIN: Named after Hans Ramberg (1917-1998), Professor of Mineralogy and Petrology at the University of Chicago, then at the University of Uppsala, Sweden.
Ramdohrite Say Ramdohrite   Ag3Pb6Sb11S24 Valid Species (Pre-IMA) 1930
NAME ORIGIN: Named for Paul Ramdohr (1890-1985), German mineralogist.
Rameauite Say Rameauite  View Rameauite Image  K2CaU++++++6O20·9(H2O) Approved IMA 1972
NAME ORIGIN: Named for Jacques Rameau (1926-1960), French prospector who discovered the deposit where the mineral occurs.
Rammelsbergite Say Rammelsbergite  View Rammelsbergite Image  NiAs2 Valid Species (Pre-IMA) 1854
NAME ORIGIN: Named after the German chemist and mineralogist, K. F. Rammelsberg (1812-1899).
Ramsayite - See Lorenzenite
Ramsbeckite Say Ramsbeckite  View Ramsbeckite Image  (Cu,Zn)15(SO4)4(OH)22·6(H2O) Approved IMA 1985
NAME ORIGIN: Named for the locality. LOCALITY: Bastenberg mine, near Ramsbeck, Germany.
Ramsdellite Say Ramsdellite  View Ramsdellite Image  MnO2 Valid Species (Pre-IMA) 1943
NAME ORIGIN: Named after the American mineralogist, Lewis S. Ramsdell (1895-1975), of the University of Michigan, who first described the mineral.
Rancieite Say Rancieite  View Rancieite Image  (Ca,Mn++)Mn++++4O9·3(H2O) Valid Species (Pre-IMA) 1859
NAME ORIGIN: Named for the locality. LOCALITY: Rancie, near Vicdessos, Ariege, France.
Rankachite Say Rankachite CaFe++V+++++4W++++++8O36·12(H2O) Approved IMA 1984
NAME ORIGIN: Named for the locality. LOCALITY: Clara Mine, Wofach, Rankach Valley, Schwarzwald, Balden-Wurttenberg, Germany.
Rankamaite Say Rankamaite  View Rankamaite Image  (Na,K,Pb,Li)3(Ta,Nb,Al)11(O,OH)30 Approved IMA 1969
NAME ORIGIN: Named for Kalervo Rankama (1913-), Finnish geochemist, University of Helsinki.
Rankinite Say Rankinite   Ca3Si2O7 Valid Species (Pre-IMA) 1942
NAME ORIGIN: Named for George Atwater Rankin (1884-?), physical chemist of the Geophysical Laboratory, Washington, D.C., USA,
Ranquilite - See Haiweeite
Ransomite Say Ransomite  View Ransomite Image  CuFe+++2(SO4)4·6(H2O) Valid Species (Pre-IMA) 1928
NAME ORIGIN: Named for Federick Leslie Ransome (1868-1935), U.S. Mining geologist.
Ranunculite Say Ranunculite  View Ranunculite Image  HAl(UO2)(PO4)(OH)3·4(H2O) Approved IMA 1979
NAME ORIGIN: Named for the color "ranunculus", buttercup.
Rapidcreekite Say Rapidcreekite  View Rapidcreekite Image  Ca2(SO4)(CO3)·4(H2O) Approved IMA 1986
NAME ORIGIN: Named for the locality. LOCALITY: Rapid Creek, Big Fish river area, Yukon Territories, Canada.
Rappoldite View Rappoldite Image  Pb(Co,Ni,Zn,)2(AsO4)2·2(H2O) Approved IMA 1998 (Dana # Added)
NAME ORIGIN: Named after the locality. LOCALITY: Dump material from the Rappold mine near Schneeberg, Saxony, Germay.
Raslakite View Raslakite Image  Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) Approved IMA 2003 (Dana # Added)
NAME ORIGIN: Named after the Raslak cirques near Mount Kedykverpakhk.
Rasorite - See Kernite
Raspite Say Raspite  View Raspite Image View Raspite Form  PbWO4 Valid Species (Pre-IMA) 1897
NAME ORIGIN: Named for Charles Rasp (1846-1907), German-Australian prospector, discovered of the Broken Hill ore deposit.
Rastsvetaevite View Rastsvetaevite Image  Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 Proposed IMA 2000 (Dana # Added)
NAME ORIGIN: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Rasvumite Say Rasvumite  View Rasvumite Images Gallery   KFe2S3 Approved IMA 1970
NAME ORIGIN: Named for the locality. LOCALITY: Rasvumchorr and Kidusvumchorr apatite deposits, Khibina massif, Kola Peninsula, Russia.
Rathite Say Rathite  View Rathite Images Gallery  Pb8Pb4-x(Tl2As2)x(Ag2As2)As16S40 Valid Species (Pre-IMA) 1896
NAME ORIGIN: Named for Gerhard von Rath (1830-1888), Professor of Mineralogy, Bonn, Germany.
Rathite-1a - See Dufrenoysite
REMARKS: Variety of dufrénoysite
Rathite-I - See Dufrenoysite
REMARKS: Rathite or dufrénoysite
Rathite-I - See Rathite
REMARKS: Rathite or dufrénoysite
Rathite-II - See Liveingite
REMARKS: Liveingite
Rathite-IV - See Sartorite
REMARKS: (of Nowacki et al. 1964) = sartorite
Rauenthalite Say Rauenthalite  View Rauenthalite Image  Ca3(AsO4)2·10(H2O) Approved IMA 1964
NAME ORIGIN: Named for the Rauenthal vein system, on which Sainte-Marie-aux-Mines, France, is located. LOCALITY: Sainte-Marie-aux-Mines, France.
Rauvite Say Rauvite  View Rauvite Images Gallery  Ca(UO2)2V+++++10O28·16(H2O) Valid Species (Pre-IMA) 1922
NAME ORIGIN: Named for the composition, RAdium, Uranium, and Vanadium.
Ravatite Say Ravatite  View Ravatite Image  C14H10 Approved IMA 1993
NAME ORIGIN: Named for the locality. LOCALITY: Ravat, Fan-Jagnob coal basin, Dushambe, Tajikistan
Rayite Say Rayite (Ag,Tl)2Pb8Sb8S21 Approved IMA 1983
NAME ORIGIN: Named for Santosh K. Ray of President College, Calcutta, India.
Realgar Say Realgar  View Realgar Image View Realgar Form  AsS Valid Species (Pre-IMA) 1747
NAME ORIGIN: From the Arabic, rahj al ghar, "powder of the mine;"
Rebulite Say Rebulite  View Rebulite Image View Rebulite Form  Tl5Sb5As8S22 Approved IMA 1982
NAME ORIGIN: Unknown name derivation.
Rectorite Say Rectorite  View Rectorite Image  (Na,Ca)Al4(Si,Al)8O20(OH)4·2(H2O) Valid Species (Pre-IMA) 1891
NAME ORIGIN: Named for E. W. Rector (1849-1917), legislator and lawyer of Hot Springs, Arkansas, USA.
Red Antimony - See Kermesite
Reddingite Say Reddingite  View Reddingite Images Gallery View Reddingite Form Mn++3(PO4)2·3(H2O) Valid Species (Pre-IMA) 1878
NAME ORIGIN: Named after its locality. LOCALITY: Branchville, in the town of Redding, Fairfield Co., Connecticut.
Redgillite View Redgillite Image Cu6(OH)10(SO4)·H2O Approved IMA 2004 (Dana # Added)
NAME ORIGIN: Named for the Red Gill mine.
Redingtonite Say Redingtonite  View Redingtonite Image (Fe++,Mg,Ni)(Cr,Al)2(SO4)4·22(H2O) Valid Species (Pre-IMA) 1888
NAME ORIGIN: Named after it's locality. LOCALITY: Redington mine, Knoxville, Napa Co., California.
Red Lead Ore - See Crocoite
Redledgeite Say Redledgeite  View Redledgeite Image  BaTi6Cr+++2O16·(H2O) Approved IMA 1961
NAME ORIGIN: Named after it's locality. LOCALITY: Red Ledge mine, south of Washington, Nevada Co., California.
Red oxide of copper - See Cuprite
Red oxide of lead - See Minium
Red Oxide of Zinc - See Zincite
Reederite-(Y) Say Reederite-(Y)   Na15Y2(CO3)9(SO3F)Cl Approved IMA 1994 (Dana # Added)
NAME ORIGIN: Named for Dr. Richard J. Reeder, currently co-editor of the American Mineralogist.
Reedmergnerite Say Reedmergnerite  View Reedmergnerite Image  NaBSi3O8 Approved IMA 1960
NAME ORIGIN: Named for Frank S. Reed (1894-?) and John L. Mergner (1894-?), Laboratory technicians, U. S. Geological Survey.
Reevesite Say Reevesite  View Reevesite Image Ni6Fe+++2(CO3)(OH)16·4(H2O) Approved IMA 1967
NAME ORIGIN: Named for Frank Reeves (1886-?), American geologist who discovered the Wolf Creek meteorite crater.
Refikite Say Refikite C19H31COOH Valid Species (Pre-IMA) 1852
NAME ORIGIN: Named for Refik Bey (-1865), Turkish journalist, for his interest in the sciences.
Reichardite - See Epsomite
REMARKS: Massive epsomite
Reichenbachite Say Reichenbachite  View Reichenbachite Image  Cu++5(PO4)2(OH)4 Approved IMA 1984
NAME ORIGIN: Named for the locality. LOCALITY: Reichenbach, Odenwald, Germany.
Reidite View Reidite Image ZrSiO4 Approved IMA 2001 (Dana # Added)
NAME ORIGIN: Named for Alan F. Reid who first produced this high pressure phase in the laboratory.
Reinerite Say Reinerite  View Reinerite Image  Zn3(As+++O3)2 Approved IMA 1959
NAME ORIGIN: Named for Willy Reiner (1895-1965), Senior Chemist, Tsumeb Corporation, Tsumeb, Namibia, who analyzed this material.
Reinhardbraunsite Say Reinhardbraunsite  View Reinhardbraunsite Image  Ca5(SiO4)2(OH,F)2 Approved IMA 1983
NAME ORIGIN: Named for Reinhard Brauns (1861-1937), Professor of Mineralogy at the University of Bonn, Bonn, Germany.
Remondite-(Ce) Say Remondite-(Ce)  View Remondite-(Ce) Image   Na3(Ce,La,Ca,Na,Sr)3(CO3)5 Approved IMA 1988
NAME ORIGIN: Named for Guy Remond (1935-), physicist, Bureau de Recherches G´eologiques et Mini`eres, Orl´eans, France and the predominance of cerium over other rare-earth elements in the composition.
Remondite-(La) Say Remondite-(La)   Na3(La,Ce,Ca)3(CO3)5 Approved IMA 1999 (Dana # Added)
NAME ORIGIN: Named as the La analog of remondite-(Ce).
Renardite Say Renardite  View Renardite Image  Pb(UO2)4(PO4)2(OH)4·7(H2O) Valid Species (Pre-IMA) 1928
NAME ORIGIN: Named for Alphonse Francois Renard (1842-1903), mineralogist, University of Ghent, Belgium.
Rengeite   Sr4ZrTi4Si4O22 Approved IMA 1998 (Dana # Added)
NAME ORIGIN: Named for Mt Renge, near the discovery location and the jadeitite-bearing Renge metamorphic belt. LOCALITY: Itoigawa-Ohmi district, Niigata Prefecture, central Japan.
Renierite Say Renierite  View Renierite Image  (Cu,Zn)11(Ge,As)2Fe4S16 Valid Species (Pre-IMA) 1948
NAME ORIGIN: Named after Armand Renier, Belgian geologist adn Director of the Belgian Geological Survey.
Reniforite - See Jordanite
Reppiaite Say Reppiaite  View Reppiaite Image  Mn++5[(V,As)O4]2(OH)4 Approved IMA 1992
NAME ORIGIN: Named for the locality. LOCALITY: Gambatesa mine, near Reppia, Val Graveglia, Italy.
Resin - See Amber
Retgersite Say Retgersite  View Retgersite Image View Retgersite Form  NiSO4·6(H2O) Valid Species (Pre-IMA) 1949
NAME ORIGIN: Named for Jan Willem Retgers (1856-1896), Dutch physical chemist and chemical crystallographer.
Retzian-(Ce) Say Retzian-(Ce)  View Retzian-(Ce) Form  Mn2Ce(AsO4)(OH)4 Valid Species (Pre-IMA) 1894, Redifined 1982 to include Ce
NAME ORIGIN: Named for Anders Jahan Retzius (1742-1821), Swedish naturalist.
Retzian-(La) Say Retzian-(La)  View Retzian-(La) Form  (Mn,Mg)2(La,Ce,Nd)(AsO4)(OH)4 Approved IMA 1982
NAME ORIGIN: Named for Anders Jahan Retzius (1742-1821), Swedish naturalist.
Retzian-(Nd) Say Retzian-(Nd)  View Retzian-(Nd) Image View Retzian-(Nd) Form  Mn2(Nd,Ce,La)(AsO4)(OH)4 Approved IMA 1982
NAME ORIGIN: Named for Anders Jahan Retzius (1742-1821), Swedish naturalist.
Retzian-(Y) - See Retzian-(Nd)
Revdanskite - See Pimelite
Revdite Say Revdite  View Revdite Image  Na2Si2O5·5(H2O) Approved IMA 1980
NAME ORIGIN: For Revda, a town near Mt. Karnasurt, on which the mineral occurs.
Revised - See Schapbachite
Reyerite Say Reyerite  View Reyerite Image   (Na,K)4Ca14Si22Al2O58(OH)8·6(H2O) Valid Species (Pre-IMA) 1907
NAME ORIGIN: Named for Eduard Reyer (1849-1907), Austrian geologist.
Rhabdite - See Schreibersite
Rhabdophane-(Ce) Say Rhabdophane-(Ce)  View Rhabdophane-(Ce) Image   (Ce,La)PO4·(H2O) Valid Species (Pre-IMA) 1878
NAME ORIGIN: Named from the Greek, "rod" and "to appear", in allusion to the characteristic bands shown in its spectrum.
Rhabdophane-(La) Say Rhabdophane-(La)  View Rhabdophane-(La) Image  (La,Ce)PO4·(H2O) Approved IMA 1959
NAME ORIGIN: Named to distinguish the La rich form of rhabdophane-Ce.
Rhabdophane-(Nd) Say Rhabdophane-(Nd)   (Nd,Ce,La)PO4·(H2O) Approved IMA 1959
NAME ORIGIN: Named to distinguish the Nd rich form of rhabdophane-Ce.
Rheniite - See Rheniite
Rheniite View Rheniite Image  ReS2 Proposed IMA 2004 (Dana # Added)
NAME ORIGIN: Named after the element "rhenium".
Rhenium Say Rhenium  View Rhenium Image   Re Not Approved IMA 1976
NAME ORIGIN: Named for the Rhine River in Germany in 1925.
Rhodarsenide Say Rhodarsenide  View Rhodarsenide Image (Rh,Pd)2As Approved IMA 1997 (Dana # Added)
NAME ORIGIN: Named after its chemical composition of rhodium and arsenic.
Rhodesite Say Rhodesite  View Rhodesite Image   KHCa2Si8O19·5(H2O) Valid Species (Pre-IMA) 1957
NAME ORIGIN: Named for Cecil John Rhodes (1853-1902), British founder of the DeBeers Mining Company and for Rhodes University, Grahamstown, South Africa where the mineral was studied.
Rhodium Say Rhodium   (Rh,Pt) Approved IMA 1974
NAME ORIGIN: Named from the Greek, rhodon = "rose" in allusion to the colored salts.
Rhodizite Say Rhodizite  View Rhodizite Images Gallery   (K,Cs)Al4Be4(B,Be)12O28 Valid Species (Pre-IMA) 1834
NAME ORIGIN: Named from the Greek "rose-colored" because it tinges the blowpipe flame red.
Rhodochrosite Say Rhodochrosite  View Rhodochrosite Image View Rhodochrosite Form  MnCO3 Valid Species (Pre-IMA) 1800
NAME ORIGIN: From the Greek rhodon -"rose" and chroma - "color."
R Mineral Pages: [1] [2] [3]