Mineralogy Database

Mineral Species containing Arsenic (As)

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Element Properties, Isotopic Compositions for Arsenic

Arsenic (As) Minerals sorted by Descending Weight Percent

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568 Minerals containing Arsenic (As) sorted by Descending Weight Percent
% As Mineral Name Chemical Formula MW
33.55 % As Koritnigite ZnHAsO4·(H2O) 223.33
33.55 % As Manganarsite Mn++3As+++204(OH)4 446.68
33.51 % As IMA2000-020 ! Fe4[AsO3OH]5[AsO2(OH)2]2·20(H2O) 1,565.20
33.38 % As Parabrandtite Ca2Mn++(AsO4)·2(H2O) 448.96
33.16 % As Calcioandyrobertsite-2O ! KCaCu5(AsO4)4[As(OH)2O2]·2(H2O) 1,129.55
33.16 % As Calcioandyrobertsite-1M ! KCaCu5(AsO4)4[As(OH)2O2]·2(H2O) 1,129.55
33.13 % As Villyaellenite Mn++5(AsO3OH)2(AsO4)2·4(H2O) 904.44
33.13 % As IMA2008-066 ! Mn5(H2O)4(AsO3OH)2(AsO4)2 904.44
33.10 % As Nickeltalmessite ! Ca2Ni(AsO4)2·2H2O 452.71
33.01 % As Xanthiosite # Ni3(AsO4)2 453.91
32.76 % As Bradaczekite ! NaCu4(AsO4)3 686.00
32.64 % As Nanlingite CaMg4(AsO3)2F4 459.13
32.62 % As Gaitite Ca2Zn(AsO4)2·2(H2O) 459.41
32.62 % As Zincroselite Ca2Zn(AsO4)2·2(H2O) 459.41
32.61 % As Barium-zinc-alumopharmacosiderite * (Ba,K)0.5(Zn,Cu)0.5(Al,Fe)4(AsO4)3·5(H2O) 689.30
32.59 % As Krautite MnAs+++++O3(OH)2·(H2O) 229.89
32.57 % As Guerinite Ca5(AsO3OH)2(AsO4)2·9(H2O) 920.22
32.57 % As Ferrarisite Ca5(AsO3OH)2(AsO4)2·9(H2O) 920.22
32.50 % As Pushcharovskite ! Cu(AsO3OH)·1.5(H2O) 230.50
32.46 % As Scorodite # Fe+++AsO4·2(H2O) 230.80
32.46 % As Parascorodite ! Fe+++AsO4·2(H2O) 230.80
32.33 % As Ekatite ! (Fe+++,Fe++,Zn)12(OH)6[AsO3]6[AsO3,HOSiO3]2 1,761.38
32.25 % As Sewardite ! CaFe+++2(AsO4)2(OH)2 464.68
32.11 % As Prosperite CaZn2(AsO4)2·(H2O) 466.71
32.05 % As Koutekite # Cu5As2 467.57
31.99 % As IMA2009-002 ! Cu3(AsO4)2 468.48
31.97 % As Lukrahnite ! Ca(Cu,Zn)(Fe,Zn)(AsO4)2(OH,H2O)2 468.74
31.96 % As Cobaltlotharmeyerite ! Ca(Co,Fe,Ni)2(AsO4)2(OH,H2O)2 468.87
31.89 % As Caryinite # (Na,Pb)(Ca,Na)(Ca,Mn++)(Mn++,Mg)2(AsO4)3 681.37
31.87 % As Picropharmacolite # Ca4Mg(AsO3OH)2(AsO4)2·11(H2O) 940.48
31.79 % As Imhofite Tl6CuAs16S40 3,771.23
31.74 % As Stranskiite Zn2Cu++(AsO4)2 472.16
31.71 % As Brassite Mg(AsO3OH)·4(H2O) 236.29
31.65 % As Maxwellite NaFe+++(AsO4)F 236.75
31.49 % As Hollingworthite (Rh,Pt,Pd)AsS 237.90
31.42 % As Chudobaite (Mg,Zn)5(AsO3OH)2(AsO4)2·10(H2O) 953.87
31.35 % As Stibioenargite * Cu3(Sb,As)S4 597.52
31.28 % As Yvonite ! Cu(AsO3OH)·2(H2O) 239.50
31.25 % As Stenhuggarite CaFe+++(As+++O2)(As+++Sb+++O5) 479.51
31.21 % As Majakite PdNiAs 240.03
31.17 % As Andyrobertsite ! KCdCu5(AsO4)4[As(OH)2O2]·2(H2O) 1,201.88
30.91 % As Sinnerite Cu6As4S9 969.56
30.80 % As Theoparacelsite ! Cu3(OH)2(As2O7) 486.49
30.75 % As Burgessite ! Co2(H2O)4[(AsO3OH)]2·(H2O) 487.36
30.69 % As Kolfanite Ca2Fe+++3O2(AsO4)3·2(H2O) 732.48
30.65 % As Wilhelmkleinite ! ZnFe+++3(AsO4)2(OH)2 488.94
30.53 % As Ferrilotharmeyerite Ca(Zn,Cu++)(Fe+++,Zn)(AsO4)2(OH,H2O)2 490.79
30.52 % As Urusovite ! Cu[AlAsO5] 245.45
30.50 % As Lotharmeyerite CaZnMn+++(AsO3OH)4(OH)3 491.28
30.47 % As Arseniopleite # (Ca,Na)(Na,Pb)Mn++(Mn++,Mg,Fe++)2(AsO4)3 737.72
30.45 % As Bearsite Be2(AsO4)(OH)·4(H2O) 246.01
30.34 % As Smithite # AgAsS2 246.92
30.34 % As Trechmannite # AgAsS2 246.92
30.28 % As Hornesite # Mg3(AsO4)2·8(H2O) 494.88
30.17 % As Sterlinghillite Mn++3(AsO4)2·3(H2O) 496.70
30.01 % As Alumopharmacosiderite KAl4(AsO4)3(OH)4·6·5(H2O) 748.91
29.86 % As Nickellotharmeyerite ! Ca(Ni,Fe,Co)2(AsO4)2(OH,H2O)2 501.90
29.85 % As Dienerite ? Ni3As 250.99
29.81 % As Polkanovite ! Rh12As7 1,759.32
29.70 % As Turneaureite Ca5[(As,P)O4]3Cl 630.63
29.70 % As Lapeyreite ! Cu3O[AsO3(OH)]2·H2O 504.51
29.66 % As Attikaite ! Ca3Cu2Al2(AsO4)4(OH)4·2H2O 944.79
29.60 % As Gillulyite Tl2(As,Sb)8S13 1,518.65
29.60 % As Geigerite Mn5(AsO3OH)2(AsO4)2·10(H2O) 1,012.54
29.59 % As Lindackerite # CuCu4(AsO4)2(AsO3OH)2·~9(H2O) 1,012.96
29.57 % As Keyite Cu++3(Zn,Cu)4Cd2(AsO4)6·2(H2O) 1,520.19
29.52 % As Chernovite-(Y) YAsO4 228.43
29.46 % As Irarsite (Ir,Ru,Rh,Pt)AsS 254.29
29.39 % As Cobaltaustinite CaCo(AsO4)(OH) 254.94
29.38 % As Warikahnite Zn3(AsO4)2·2(H2O) 510.04
29.32 % As Arseniosiderite # Ca2Fe+++3(AsO4)3O2·3(H2O) 766.50
29.31 % As Oenite ! CoSbAs 255.60
29.27 % As Sartorite # PbAs2S4 4,479.49
29.22 % As Nickelaustinite Ca(Ni,Zn)(AsO4)(OH) 256.37
29.06 % As Kankite Fe+++AsO4·3.5(H2O) 257.82
29.04 % As IMA2008-010 ! CaCu4(AsO4)2(AsO3OH)2·10H2O 1,032.11
28.87 % As Conichalcite # CaCu(AsO4)(OH) 259.55
28.87 % As Veselovskyite (Zn,Cu,Co)Cu4(AsO4)2(AsO3OH)2·9H2O 1,038.21
28.73 % As Fahleite Zn5CaFe+++2(AsO4)6·14(H2O) 1,564.45
28.66 % As Austinite # CaZn(AsO4)(OH) 261.39
28.45 % As Slavkovite ! Cu13(AsO4)6(AsO3OH)4·23(H2O) 2,633.67
28.40 % As Smolianinovite # (Co,Ni,Mg,Ca)3(Fe+++,Al)2(AsO4)4·11(H2O) 1,081.49
28.27 % As Zinclavendulan ? NaCa(Zn,Cu)5(AsO4)4Cl·4-5(H2O) 1,059.91
28.27 % As Platarsite (Pt,Rh,Ru)AsS 265.01
28.25 % As Lemanskiite ! NaCaCu5(AsO4)4Cl·5H2O 1,060.88
28.22 % As Lavendulan # NaCaCu5(AsO4)4Cl·5(H2O) 1,062.00
28.21 % As Domeykite # Cu3As 265.56
28.19 % As Sarkinite # Mn++2(AsO4)(OH) 265.80
28.19 % As Eveite Mn2(AsO4)(OH) 265.80
28.16 % As Braithwaiteite NaCu5(Ti,Sb)2O2(AsO4)4[AsO3(OH)]2·8H2O 1,574.79
28.14 % As Chernovite-(Ce) * (Ce,Y)(AsO4) 266.23
28.09 % As Cobaltarthurite ! CoFe+++2(AsO4)2(OH)2·4(H2O) 533.48
28.08 % As Shubnikovite # Ca2Cu8(AsO4)6Cl(OH)·7(H2O) (?) 1,600.61
28.05 % As Maghrebite ! MgAl2(AsO4)2(OH)2·8H2O 534.24
27.98 % As Vajdakite ! [(MoO2)2(H2O)2As2O5]·(H2O) 535.57
27.58 % As Rollandite ! Cu3(AsO4)2·4(H2O) 543.29
27.58 % As Kalungaite ! PdAsSe 258.08
27.50 % As Luetheite Cu2Al2(AsO4)2(OH)4·(H2O) 544.94
27.45 % As Barahonaite-(Al) ! (Ca,Cu,Na,Fe+++,Al )12Al2(AsO4)8(OH,Cl)x·nH2O 2,052.55
27.34 % As Simonite TlHgAs3S6 822.13
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( Bold - Valid Mineral Name)
(* - Mineral Name is Not IMA Approved)
(! - New Dana Classification Number Has Been Changed or Added)
(? - IMA Discredited Mineral Species Name)
(# - Grandfathered as valid)