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
100.00 % As Arsenic # As 74.92
100.00 % As Arsenolamprite # As 74.92
92.04 % As Pararsenolamprite ! As 76.51
90.33 % As Duranusite As4S 331.75
78.13 % As Ferroskutterudite ! (Fe,Co)As3 276.94
78.12 % As Nickelskutterudite # (Ni,Co)As3-x 268.53
76.09 % As Skutterudite # (Co,Ni)As3-x 246.18
75.74 % As Claudetite # As2O3 197.84
75.74 % As Arsenolite # As2O3 197.84
75.70 % As Dimorphite # As4S3 395.88
72.85 % As Lollingite # FeAs2 205.69
72.10 % As Clinosafflorite (Co,Fe,Ni)As2 207.83
72.04 % As Safflorite # (Co,Fe)As2 208.00
71.86 % As Rammelsbergite # NiAs2 208.53
71.86 % As Krutovite NiAs2 208.53
71.86 % As Pararammelsbergite # NiAs2 208.53
70.22 % As Paxite CuAs2 213.39
70.03 % As Pararealgar AsS 106.99
70.03 % As Realgar # AsS 106.99
67.50 % As Alacranite As8S9 887.97
65.15 % As Uzonite As4S5 460.02
60.90 % As Orpiment # As2S3 246.04
56.79 % As Westerveldite (Fe,Ni,Co)As 131.93
56.30 % As Modderite # (Co,Fe)As 133.08
56.07 % As Nickeline # NiAs 133.61
56.00 % As Langisite (Co,Ni)As 133.79
54.85 % As Anduoite (Ru,Os)As2 273.20
54.02 % As Trippkeite # CuAs+++2O4 277.39
53.86 % As Karibibite Fe+++2As+++4(O,OH)9 556.38
53.66 % As Leiteite ZnAs+++2O4 279.23
48.91 % As Ludlockite-(Pb) * PbFe+++4As+++10O22 1,531.79
48.45 % As Ludlockite (Fe++,Pb)As+++++2O6 309.25
48.14 % As Maucherite # Ni11As8 1,244.96
47.45 % As Asbecasite Ca3(Ti,Sn)As+++6Si2Be2O20 1,057.85
47.16 % As Omeiite (Os,Ru)As2 317.76
46.93 % As Iridarsenite (Ir,Ru)As2 319.28
46.84 % As Svenekite ! Ca(H2AsO4)2 319.93
46.48 % As Schneiderhohnite Fe++Fe+++3As+++5O13 805.99
46.40 % As Wakabayashilite (As,Sb)6As4S14 1,291.80
46.38 % As Oregonite Ni2FeAs2 323.07
46.18 % As Lazarenkoite CaFe++As+++3O7·3(H2O) 486.73
46.11 % As Jeromite ? As(S,Se)2 162.50
46.01 % As Arsenopyrite # FeAsS 162.83
45.37 % As Alloclasite # (Co,Fe)AsS 165.15
45.37 % As Glaucodot # (Co,Fe)AsS 165.15
45.30 % As Ruthenarsenite (Ru,Ni)As 165.40
45.22 % As Gersdorffite # NiAsS 165.68
45.16 % As Alarsite ! AlAsO4 165.90
45.16 % As Cobaltite # CoAsS 165.92
43.93 % As Lautite # CuAsS 170.53
43.44 % As Sperrylite # PtAs2 344.92
42.62 % As Laphamite As2(Se,S)3 351.55
42.13 % As Cherepanovite RhAs 177.83
41.62 % As Weilite CaHAsO4 180.01
41.39 % As Haidingerite # Ca(AsO3OH)·(H2O) 181.01
40.90 % As Nickenichite Na0,8Ca0,4(Mg,Fe+++,Al)3Cu0,4(AsO4)3 549.61
40.31 % As Cafarsite Ca8(Ti,Fe++,Fe+++,Mn)6-7(As+++O3)12·4(H2O) 2,230.31
39.03 % As Radovanite ! Cu2Fe+++(AsO4)[As+++O2(OH)2]·H2O 575.94
38.90 % As Kaatialaite Fe+++[H2As+++++O4]3·5-5.5(H2O) 577.74
38.64 % As Petewilliamsite ! (Ni,Co,Cu)30(As2O7)15 5,730.36
38.22 % As Berzeliite # (Ca,Na)3(Mg,Mn)2(AsO4)3 588.10
38.09 % As Stibarsen # SbAs 196.67
37.68 % As Mcnearite NaCa5H4(AsO4)5·4(H2O) 994.07
37.16 % As Yazganite ! NaFe+++2(Mg,Mn)(AsO4)3·H2O 602.82
37.10 % As Mansfieldite # AlAsO4·2(H2O) 201.93
37.02 % As Odanielite Na(Zn,Mg)3H2(AsO4)3 607.12
36.80 % As Irhtemite Ca4Mg(AsO3OH)2(AsO4)2·4(H2O) 814.37
36.54 % As Bergslagite CaBe(AsO4)(OH) 205.02
36.47 % As Fluckite CaMn(HAsO4)2·2(H2O) 410.90
36.40 % As Armangite # Mn26As+++18O50(OH)4(CO3) 3,704.99
36.36 % As Johillerite Na(Mg,Zn)3Cu(AsO4)3 610.00
36.33 % As Manganberzeliite # (Ca,Na)3(Mn,Mg)2(AsO4)3 618.74
36.22 % As Cabalzarite ! Ca(Mg,Al,Fe++)2(AsO4)2(H2O,OH)2 413.71
36.12 % As Manganlotharmeyerite ! Ca(Mn+++,Mg,)2(AsO4)2(OH,H2O)2 414.80
36.10 % As Sainfeldite Ca5(AsO3OH)2(AsO4)2·4(H2O) 830.14
36.04 % As Durangite # NaAl(AsO4)F 207.89
36.01 % As Ruarsite RuAsS 208.06
35.82 % As Talmessite Ca2Mg(AsO4)2·2(H2O) 418.33
35.44 % As Johnbaumite Ca5(AsO4)3(OH) 634.15
35.33 % As Vladimirite # Ca5(AsO3OH)2(AsO4)2·5(H2O) 848.16
35.33 % As Svabite # Ca5(AsO4)3F 636.15
35.24 % As Jolliffeite (Ni,Co)AsSe 212.63
35.09 % As Wendwilsonite Ca2(Mg,Co)(AsO4)2·2(H2O) 426.99
35.09 % As Fetiasite (Fe++,Fe+++,Ti++++)3O2(As+++2O5) 426.99
34.86 % As Orcelite Ni5-xAs2 (x=0.23) 429.79
34.85 % As Hutchinsonite # (Pb,Tl)2As5S9 1,074.79
34.68 % As Pharmacolite # CaHAsO4·2(H2O) 216.04
34.49 % As Grischunite NaCa2Mn++5Fe+++(AsO4)6·2(H2O) 1,303.23
34.49 % As Novakite (Cu,Ag)21As10 2,172.33
34.29 % As Cobaltkoritnigite (Co,Zn)(AsO3OH)·(H2O) 218.49
34.01 % As Adelite # CaMg(AsO4)(OH) 220.31
33.98 % As Menshikovite ! Pd3Ni2As3 661.40
33.95 % As Brandtite # Ca2(Mn,Mg)(AsO4)2·2(H2O) 441.30
33.90 % As Reinerite Zn3(As+++O3)2 442.01
33.89 % As Stibioclaudetite ! AsSbO3 240.55
33.83 % As Geminite Cu++2As+++++2O7·3(H2O) 442.98
33.80 % As Magnussonite # Mn++5As+++3O9(OH,Cl) 665.07
33.74 % As Borishanskiite Pd1+x(As,Pb)2, x = 0-0.2 333.04
33.73 % As Roselite # Ca2(Co,Mg)(AsO4)2·2(H2O) 444.30
33.73 % As Roselite-beta # Ca2(Co,Mg)(AsO4)2·2(H2O) 444.30
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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)