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D Index of Mineral Species

This alphabetical listing of D minerals include synonyms of accepted mineral names, pronunciation of that name, name origins, and locality information. Visit our expanded selection of mineral pictures.

D'Ansite *  (see Dansite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dachiardite *  (see Dachiardite-Ca ) See Also: GOOGLE, Athena, MinDAT, MinMax Dachiardite-Ca     (Ca,Na2,K2)5Al10Si38O96 • 25(H2O) NAME ORIGIN: Named after Antonio D'Achiardi (1839-1902), Professor of Mineralogy, Universitá di Pisa, Italy, who first described the mineral discovered by his son in a granitic pegmatite. Dachiardite-Na     (Na2,Ca,K2)4Al4Si20O48 • 13(H2O) NAME ORIGIN: Named for its relationship to dachiardite and the sodium content. Dadsonite     Pb21Sb23S55Cl NAME ORIGIN: Named for Alexander S. Dadson (1906-1958), Canadian mineralogist. Dahllite *  (see Carbonate-hydroxylapatite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dalyite     K2ZrSi6O15 Damaraite     Pb3O2(OH)Cl NAME ORIGIN: Named for the Damara sequence, the dolostones that host the deposit at the type locality. LOCALITY: Kombat mine, 49 km S of Tsumeb, Namibia. Damiaoite !     PtIn2 NAME ORIGIN: For its locality. LOCALITY: Near the village of Damiao and the Yixun River, about 370 km N of Beijing, People's Republic of China. Dana 28.4.3.3 *  (see Mereiterite ) See Also: GOOGLE, Athena, MinDAT, MinMax Danalite     Fe++4Be3(SiO4)3S NAME ORIGIN: Named after James Dwight Dana (1813-1895), American mineralogist and author of the Dana mineral classification. Danbaite     CuZn2 NAME ORIGIN: Named for the locality. LOCALITY: Danba, Sichuan Province, China. Danburite     CaB2(SiO4)2 NAME ORIGIN: Named after its location. Danielsite     (Cu,Ag)14HgS8 NAME ORIGIN: Named for John L. Daniels (1931-), who collected the mineral. Dannemorite - Renamed *  (see Manganogrunerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dansite     Na21Mg(SO4)10Cl3 NAME ORIGIN: Named for Jean D'Ans (1881-1969), German chemist, Technical University, Berlin. Daomanite *     CuPtAsS2 NAME ORIGIN: Named for the locality. LOCALITY: Dao and Ma districts, Yanshan, China. Daphnite *  (see Chamosite ) See Also: GOOGLE, Athena, MinDAT, MinMax Daqingshanite-(Ce)     (Sr,Ca,Ba)3(Ce,La)(PO4)(CO3)3-x(OH,F)x NAME ORIGIN: Named for a mountain, Daqingshan, near the Bayan Obo iron ore deposit. Darapiosite     KNa2Zr[Li(Mn,Zr)2Si12O30] NAME ORIGIN: Named for the locality. LOCALITY: Dara-i-Pioz, Alai Range, Tien Shan, northern Tadzhikistan. Darapskite     Na3(SO4)(NO3) • (H2O) Dark Red Silver Ore *  (see Pyrargyrite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dashkesanite *  (see Potassic-chlorohastingsite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dashkovaite !     Mg(HCOO)2 • 2(H2O) NAME ORIGIN: Named for E. R. Dashkova (1744-1796), former director of the Saint Petersburg Academy of Sciences. Datolite     CaBSiO4(OH) NAME ORIGIN: From the Greek, dateisthai, meaning "to divide," because granular aggregates crumble readily. Daubreeite     BiO(OH,Cl) NAME ORIGIN: Named for Gabriel Auguste Daubree (1814-1896), French mineralogist and geologist. Daubreelite     Fe++Cr2S4 NAME ORIGIN: For Professor Gabriel Auguste Daubree (1814-1896), of Paris, France. Davanite     K2TiSi6O15 Davidite-(Ce)     (Ce,La)(Y,U)(Ti,Fe+++)20O38 NAME ORIGIN: Named for its composition and for Tenatt William Edgeworth David (1858-1934), Australian geologist. Davidite-(La)     (La,Ce,Ca)(Y,U)(Ti,Fe+++)20O38 NAME ORIGIN: Named for Tenatt William Edgeworth David (1858-1934), Australian geologist. Davidite-(Y) *  (see Gramaccioliite-(Y) ) See Also: GOOGLE, Athena, MinDAT, MinMax Davisonite-mixture with apatite *  (see Crandallite ) See Also: GOOGLE, Athena, MinDAT, MinMax Davisonite-mixture with crandallite *  (see Apatite ) See Also: GOOGLE, Athena, MinDAT, MinMax Davreuxite     MnAl6Si4O17(OH)2 Davyne     Na4K2Ca2Si6Al6O24(SO4)Cl2 Dawsonite     NaAl(CO3)(OH)2 NAME ORIGIN: Named after the Canadian geologist, J. W. Dawson (1820-1899). Dayingite ?     CuCoPtS4 Deanesmithite     Hg+2Hg++3Cr++++++O5S2 NAME ORIGIN: Named for Deane K. Smith (1930-2001), Pennsylvania State University, University Park, Pennsylvania, USA. Decrespignyite-(Y) !     (Y,REE)4Cu(CO3)4Cl(OH)5 • 2(H2O) NAME ORIGIN: Named for Robert James Champion de Crespigny (1950-), Chancellor of the University of Adelaide, Australia. Deerite     (Fe++,Mn)6(Fe+++,Al)3Si6O20(OH)5 Defernite     Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x=0,5) Dehrnite *  (see Carbonate-fluorapatite ) See Also: GOOGLE, Athena, MinDAT, MinMax Delafossite     Cu+Fe+++O2 NAME ORIGIN: Named for Gabrial Delafosse (1796-1878), French mineralogist and crystallographer. Delessite *  (see Chamosite ) See Also: GOOGLE, Athena, MinDAT, MinMax Delhayelite     (Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3 • 18(H2O) NAME ORIGIN: Named for Fernard Delhaye (1880-1946), Belgian geologist, a pioneer in the geological exploration of the northern Kivu region of Zaire. Deliensite !     Fe++(UO2)2(SO4)2(OH)2 • 3(H2O) NAME ORIGIN: For Dr. Michel Deliens (1939-), Royal Belgian Institute of Natural Sciences, Brussels, in recognition oh his research on uranium bearing minerals. Delindeite     Ba2(Na,K,[ ])3(Ti,Fe)[Ti2(O,OH)4Si4O14](H2O,OH)2 NAME ORIGIN: Named for Henry deLinde, long time mineral collector and owner of the Diamond Jo quarry. Dellaite     Ca6Si3O11(OH)2 NAME ORIGIN: Named for Della Martin Roy (1926-), Pennsylvania State University geochemist who first synthesized this phase. Dellaventuraite !     NaNa2(Mg2,Mn+++,Li,Ti)Si8O22O2 NAME ORIGIN: Named for Giancarlo Della Ventura, Università degli Studi di Roma Tre, for his extensive work on the crystal chemistry of synthetic amphiboles. Deloneite-(Ce) !     NaCa2SrCe(PO4)3F NAME ORIGIN: For B. N. Delone (Delaunay) (1890-1980), Russian mathematical crystallographer. Delorenzite *  (see Tanteuxenite-(Y) ) See Also: GOOGLE, Athena, MinDAT, MinMax Deloryite     Cu++4(UO2)(MoO4)2(OH)6 Delrioite     CaSrV2O6(OH)2 • 3(H2O) NAME ORIGIN: Named for Andres M. del Rio (1764-1849), Mexican mineralogist, who discovered vanadium. delta13 dihydor d pimaric acid *  (see Refikite ) See Also: GOOGLE, Athena, MinDAT, MinMax Deltaite-mixture with crandellite *  (see Hydroxylapatite ) See Also: GOOGLE, Athena, MinDAT, MinMax Deltaite-mixture with hydroxylapatite *  (see Crandallite ) See Also: GOOGLE, Athena, MinDAT, MinMax Delvauxite     CaFe+++4(PO4,SO4)2(OH)8 • 4-6(H2O) (?) NAME ORIGIN: Named after J.S.P.J. Delvaux de Feuffe (1782-1863), Belgian chemist who first described and analyzed the mineral. Demantoid - green *  (see Andradite ) See Also: GOOGLE, Athena, MinDAT, MinMax Demesmaekerite     Pb2Cu5(UO2)2(SeO3)6(OH)6 • 2(H2O) NAME ORIGIN: Named for Gaston Demesmaeker (1911-), Belgian mining geologist, who studied the Shikolobwe uranium deposits. Denisovite     (K,Na)Ca2Si3O8(F,OH) Denningite     (Mn,Zn)Te2O5 Dennisonite-mixture with apatite *  (see Crandallite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dennisonite-mixture with crandallite *  (see Apatite ) See Also: GOOGLE, Athena, MinDAT, MinMax Deoderant Stone *  (see Tschermigite ) See Also: GOOGLE, Athena, MinDAT, MinMax Derbylite     (Fe+++,Fe++,Ti)7Sb+++O13(OH) NAME ORIGIN: Named after the American Geologist Orville A. Derby 1851 - 1915 founder of the Brazilian Geological Survey. Derriksite     Cu4(UO2)(SeO3)2(OH)6 Dervillite     Ag2AsS2 NAME ORIGIN: For Dr. Henri Derville of Strasbourg University, Strasbourg, France. Desaulsite *  (see Pimelite ) See Also: GOOGLE, Athena, MinDAT, MinMax Desautelsite     Mg6Mn+++2(CO3)(OH)16 • 4(H2O) NAME ORIGIN: Named after Paul E. Desautels (1920-1991), curator of minerals at the U. S. National Museum of Natural History (Smithstonian Institution). Descloizite     PbZn(VO4)(OH) NAME ORIGIN: Named after the French mineralogist, Alfred Des Closzeaux (1817-1897). Desmine *  (see Stilbite-Ca ) See Also: GOOGLE, Athena, MinDAT, MinMax Desmine *  (see Stilbite-Na ) See Also: GOOGLE, Athena, MinDAT, MinMax Desourdyite *  (see Iraqite-(La) ) See Also: GOOGLE, Athena, MinDAT, MinMax Desourdyite *  (see Steacyite ) See Also: GOOGLE, Athena, MinDAT, MinMax Despujolsite     Ca3Mn++++(SO4)2(OH)6 • 3(H2O) Dessauite !     (Sr,Pb)(Y,U)(Ti,Fe+++)20O38 NAME ORIGIN: For Gabor Dessau (1907-1983), professor of ore mineralogy at the University of Pisa, Italy. Destinezite - xtls *  (see Diadochite ) See Also: GOOGLE, Athena, MinDAT, MinMax Devilline     CaCu4(SO4)2(OH)6 • 3(H2O) NAME ORIGIN: Named after the French chemist, H. E. S. C. Deville (1818-1881). Named from its occurrence at Herrengrund, north of Neusohl, in Slovakia of Czechoslovakia. Dewalquite *  (see Ardennite ) See Also: GOOGLE, Athena, MinDAT, MinMax Deweylite *  (see Clinochrysotile ) See Also: GOOGLE, Athena, MinDAT, MinMax Dewindtite     Pb3[H(UO2)3O2(PO4)2]2 • 12(H2O) NAME ORIGIN: Named for Jean Dewindt, Belgian geologist. Diaboleite     Pb2CuCl2(OH)4 NAME ORIGIN: From the Greek dia, "difference" and the mineral Boleite. Diadochite     Fe+++2(PO4)(SO4)(OH) • 6(H2O) NAME ORIGIN: From the Greek, diadochos, meaning "successor," presumably in allusion to its secondary origin. Dialogite *  (see Rhodochrosite ) See Also: GOOGLE, Athena, MinDAT, MinMax Diamond     C NAME ORIGIN: From the Greek, adamas, meaning "invincible" or "hardest." Diaoyudaoite     NaAl11O17 Diaphorite     Pb2Ag3Sb3S8 NAME ORIGIN: From the Greek diaphora, "difference" as being distinct from freieslebenite. Diaspore     AlO(OH) NAME ORIGIN: From the Greek word "to scatter," referring to the mineral's easy disintegration in the blowpipe flame. Dichroite *  (see Cordierite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dickinsonite     KNa4Ca(Mn++,Fe++)14Al(PO4)12(OH)2 NAME ORIGIN: Named for Reverend John William Dickinson (1835-1899), Redding, Connecticut, USA, an early collector of Branchville minerals. Dickite     Al2Si2O5(OH)4 NAME ORIGIN: Named after the Scottish chemist, A. B. Dick. Dickthomssenite !     Mg(V+++++2O6) • 7(H2O) NAME ORIGIN: Named after Richard W. Thomssen (1933-), consulting geologist from Dayton, Nevada, USA. Dienerite     Ni3As NAME ORIGIN: Named after Karl Diener (1862-1928), Austrian paleontologist from Vienna who discovered the mineral. Dietrichite     (Zn,Fe++,Mn)Al2(SO4)4 • 22(H2O) Dietzeite     Ca2(IO3)2(CrO4) Digenite     Cu9S5 NAME ORIGIN: From the Greek for "two kinds" or "sexes," in reference to the presumed presence of both cuprous and cupric ions. Dihydrite *  (see Pseudomalachite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dilithium *     Li2Te NAME ORIGIN: Named after it's composition. Dillage *  (see Diopside ) See Also: GOOGLE, Athena, MinDAT, MinMax Dimorphite     As4S3 NAME ORIGIN: From the Greek for "two" and "form," in reference to the two forms in which the species was thought to occur. Dinite *     C20H36 NAME ORIGIN: Named for Olinto Dini (1802-1866), Italian teacher and professor of physics, University of Pisa. Diomignite     Li2B4O7 Diopside     CaMgSi2O6 NAME ORIGIN: From the Greek dis - "two kinds" and opsis - "opinion." Dioptase     CuSiO2(OH)2 NAME ORIGIN: From the Greek, dia - "through" and optomai - "vision." Discredited *  (see Arsenobismite ) Discredited *  (see Ashanite ) Discredited *  (see Clinoholmquistite ) Discredited *  (see Crossite ) Discredited *  (see Donathite ) Discredited *  (see Hydromolysite ) Discredited *  (see Imgreite ) Discredited *  (see Laubmannite ) Discredited *  (see Magnesioanthophyllite ) Discredited *  (see Magnesiogedrite ) Discredited *  (see Magniotriplite ) Discredited *  (see Monsmedite ) Discredited *  (see Platynite ) Discredited *  (see Pseudo-autunite ) Discredited *  (see Schapbachite ) Discredited *  (see Spodiosite ) Discredited *  (see Tetranatrolite ) Discredited *  (see Vanuranylite ) Discredited IMA 1987 *  (see Sobotkite ) Discredited IMA 1995 *  (see Lusungite ) Discredited IMA 1997 *  (see Herschelite ) Discredited IMA 1997 *  (see Magnesioclinoholmquistite ) Discredited IMA 1997 *  (see Yftisite-(Y) ) Discredited IMA 2001 *  (see Duhamelite ) Discredited IMA 2002 *  (see Squawcreekite ) Dissakisite-(Ce)     Ca(Ce,REE)(Mg,Fe++)(Al,Fe+++)2Si3O12(OH) NAME ORIGIN: From the Greek for "twice over," for a magnesium analog of allanite being described twice. Dissakisite-(La) !     (Ca,Fe,Th)(REE,Ca)(Al,Cr,Ti)2(Mg,Fe,Al)Si3O12(OH,F) with La > Ce NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Disthene *  (see Kyanite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dittmarite     (NH4)Mg(PO4) • (H2O) Diversilite-(Ce) !     Na2(Ba,K)6Ce2Fe++Ti3Si12O36(OH)3(OH,H2O)9 NAME ORIGIN: Name for the Latin diversus (hetrogeneous) and silicate, reflecting the main structural features. Dixenite     Cu+Mn++14Fe+++(As+++O3)5(SiO4)2(As+++++O4)(OH)6 Djalmaite *  (see Uranmicrolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Djerfisherite     K6Na(Fe,Cu,Ni)25S26Cl NAME ORIGIN: Named for Daniel Jerome Fisher (1896-1988), American mineralogist. Djurleite     Cu31S16 NAME ORIGIN: For S. Djurle, who first synthesized the compound later found in nature. Dmisteinbergite     CaAl2Si2O8 Dolerophanite     Cu2(SO4)O NAME ORIGIN: From the Greek "DOLEROS" = misleading and "PHANESTAI" = appearance, in allusion to its low content of copper Dollaseite-(Ce)     CaCeMg2AlSi3O11(OH,F)2 Dolomite     CaMg(CO3)2 NAME ORIGIN: Named after the French mineralogist and geologist, Deodat Guy Tancrede Gratet de Dolomieu (1750-1801). Doloresite     H8V++++6O16 NAME ORIGIN: Named for the locality. LOCALITY: La Sal No. 2 mine, Lumsden Canyon, Gateway District, Dolores River, southwestern Colorado, USA. Domeykite     Cu3As NAME ORIGIN: Named after the Chilean mineralogist, I. Domeyk (1802-1889). Donathite ?     (Fe++,Mg)(Cr,Fe+++)2O4 Donbassite     Al2[Al2.33][Si3AlO10](OH)8 NAME ORIGIN: Named in 1940 for the location. Donharrisite     Ni8Hg3S9 NAME ORIGIN: Named for Donald C. Harris (1936-), Canadian mineralogist. Donnayite-(Y)     Sr3NaCaY(CO3)6 • 3(H2O) NAME ORIGIN: Named for Joseph Desire Hubert Donnay (1902-1994), Belgian-American-Canadian crystallographer and minereralogist and Gabrielle (Hamburger) Donnay (1920-1987), American Canadian mineralogi Donpeacorite     (Mn,Mg)MgSi2O6 Dorallcharite     (Tl,K)Fe+++3(SO4)2(OH)6 Dorfmanite     Na2(PO3OH) • 2(H2O) NAME ORIGIN: Named for Moisei Davidovich Dorfman (1908-), Russian mineralogist who first reported a sodium phosphate in 1963. Dorrite     Ca2Mg2Fe+++4(Al,Fe+++)4Si2O20 NAME ORIGIN: Named for John A. Dorr (1922-1986), University of Michigan. Doughtyite *  (see Alunogen ) See Also: GOOGLE, Athena, MinDAT, MinMax Douglasite     K2Fe++Cl4 • 2(H2O) NAME ORIGIN: Named after its discovery locality. LOCALITY: Found at Douglasschall, northwest of Stassfurt, Germany. Doverite *  (see Synchysite-(Y) ) See Also: GOOGLE, Athena, MinDAT, MinMax Downeyite     SeO2 Doyleite     Al(OH)3 Dozyite     (Mg7Al2)(Si4Al2)O15(OH)12 NAME ORIGIN: For the locality. LOCALITY: Ertsberg East complex, Carstensz Mountains, central Irian Jaya, Indonesia. Wood Chrome mine, Lancaster Co., Pennsylvania, USA. Dravite     NaMg3Al6(BO3)3Si6O18(OH)4 NAME ORIGIN: After its locality. LOCALITY: Drava River, Austria. Dravite - (61.3.1.9) *  (see Dravite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dresserite     BaAl2(CO3)2(OH)4 • (H2O) Dreyerite     BiVO4 Drugmanite     Pb2(Fe+++,Al)H(PO4)2(OH)2 Drysdallite     Mo(Se,S)2 NAME ORIGIN: For A.R. Drysdall, Director, Geological Survey of Zambia. Dufrenite     Fe++Fe+++4(PO4)3(OH)5 • 2(H2O) NAME ORIGIN: Named for Armand Small Dufrenoy (1792-1857), French mineralogist and geologist. Dufrenoysite     Pb2As2S5 NAME ORIGIN: For Ours Pierre Armand Petit Dufrenoy (1792-1857), French mineralogist, National School of Mines, Paris, France. Duftite-alpha     PbCu(AsO4)(OH) NAME ORIGIN: Named in 1920 for G. Duft, general manager of the mine at Tsumeb, Namibia. Duftite-beta     PbCu(AsO4)(OH) NAME ORIGIN: Named in 1920 for G. Duft, general manager of the mine at Tsumeb, Namibia. Dugganite     Pb3Zn3Te(As,V,Si)2(O,OH)14 NAME ORIGIN: Named after Marjorie Duggan, analytical chemist, in reference to her discovery of Te6+ [hexavalent tellurium] in nature. Duhamelite ?     Pb2Cu4Bi(VO4)4(OH)3 • 8(H2O) NAME ORIGIN: Named in 1981 for J. E. DuHamel, geologist, Phelps Dodge Corp., who found the mineral. Duhamelite *  (see Mottramite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dukeite !     Bi+++24Cr++++++8O57(OH)6(H2O)3 NAME ORIGIN: Named for Duke University, Duham, North Carolina, USA and for the Mary Duke Biddle Foundation. Dumontite     Pb2(UO2)3O2(PO4)2 • 5(H2O) NAME ORIGIN: Named for A.H. Dumont Dumortierite     Al6.5-7(BO3)(SiO4)3(O,OH)3 NAME ORIGIN: Named after the French paleontologist, M. E. Dumortier (1803-1873). Dundasite     PbAl2(CO3)2(OH)4 • (H2O) NAME ORIGIN: Named after its locality. LOCALITY: Dundas and Mt. Read, Tasmania. Duplicate (see 28-4-6-1) *  (see Klyuchevskite-Duplicate ) See Also: GOOGLE, Athena, MinDAT, MinMax Durangite     NaAl(AsO4)F Duranusite     As4S NAME ORIGIN: Named for the locality. LOCALITY: Duranus, Alpes-Meritimes, France. Mina Capillitas, an epithermal deposit in the Province of Catamarca, Argentina. Durdenite *  (see Emmonsite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dusmatovite     K(K,Na,[ ])(Mn++,Y,Zr)2(Zn,Li)3Si12O30 NAME ORIGIN: For Vyacheslav Djuraevitch Dusmatov (1936-), Mineralogist and geologist who has done much work at the locality. LOCALITY: The Dara-i-Pioz alkaline massif, Tien Shan, Tajikistan. Dussertite     BaFe+++3(AsO4)2(OH)5 Duttonite     V++++O(OH)2 Dwornikite     (Ni,Fe++)SO4 • (H2O) Dypingite     Mg5(CO3)4(OH)2 • 5(H2O) NAME ORIGIN: Named after the locality. LOCALITY: Dypingdal serpentine-magnesite deposit, Snarum, Norway. Dysanalyte (Nb) *  (see Perovskite ) See Also: GOOGLE, Athena, MinDAT, MinMax Dyscrasite     Ag3Sb NAME ORIGIN: From the Greek, meaning "bad alloy." Dzhalindite     In(OH)3 Dzharkenite     FeSe2 NAME ORIGIN: Named after its locality. LOCALITY: In the Suluchekinskoye Se-U deposit, Dzharkenskaya depression, SE Kazakhstan. Dzhezkazganite ?     (Pb,Cu,Rh)S2 (?)

Index A Minerals Index B Minerals Index C Minerals Index D Minerals Index E Minerals Index F Minerals Index G Minerals Index H Minerals Index I Minerals Index J Minerals Index K Minerals Index L Minerals Index M Minerals Index N Minerals Index O Minerals Index P Minerals Index Q Minerals Index R Minerals Index S Minerals Index T Minerals Index U Minerals Index V Minerals Index W Minerals Index X Minerals Index Y Minerals Index Z Minerals All LEGEND Minerals identified with this icon have a sound file, courtesy of The Photo-Atlas of Minerals, which gives the pronunciation of the mineral name. Minerals identified with this icon have an image or picture in the database which may be viewed. Minerals identified with this icon have a Java crystal form, created with the program JCrystal, which can be manipulated and rotated. This icon links the mineral to the locality-rich information contained in Mindat.org. Minerals identified with this icon are radioactive. - Detectable with very sensitive instruments, - very mild, - weak, - strong, - very strong, - dangerous. * Mineral Name is Not IMA Approved. ! New Dana Classification Number Has Been Changed or Added. ? IMA Discredited Mineral Species Name.

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