Magnesium (Mg) Minerals sorted by Descending Weight Percent
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% Mg | Mineral Name | Chemical Formula | MW |
2.42 % Mg | Chvaleticeite | (Mn++,Mg)SO4·6(H2O) | 251.44 |
2.41 % Mg | Cousinite | MgU2Mo2O13·6(H2O) (?) | 1,008.33 |
2.41 % Mg | Ganophyllite # | (K,Na)2(Mn,Al,Mg)8(Si,Al)12O29(OH)7·8-9(H2O) | 1,514.20 |
2.40 % Mg | Wicksite | NaCa2(Fe++,Mn++)4MgFe+++(PO4)6·2(H2O) | 1,011.64 |
2.39 % Mg | Dickinsonite-(NaNa) ! | Na2Na4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 | 2,036.23 |
2.37 % Mg | Dickinsonite-(KNaNa) ! | KNaNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 | 2,052.34 |
2.37 % Mg | Roscoelite # | K(V,Al,Mg)2AlSi3O10(OH)2 | 411.01 |
2.37 % Mg | Brandholzite ! | Mg[Sb(OH)6]2·6(H2O) | 1,027.57 |
2.35 % Mg | Tetraferriannite | K(Fe++,Mg)3(Fe+++,Al)Si3O10(OH)2 | 517.76 |
2.34 % Mg | Manganlotharmeyerite ! | Ca(Mn+++,Mg,)2(AsO4)2(OH,H2O)2 | 414.80 |
2.34 % Mg | Haggertyite ! | Ba[Fe++6Ti5Mg]O19 | 1,040.10 |
2.34 % Mg | Hawthorneite | Ba[Ti3Cr4Fe4Mg]O19 | 1,040.63 |
2.32 % Mg | Harrisonite ! | Ca(Fe++,Mg)6(PO4)2(SiO4)2 | 732.77 |
2.32 % Mg | Merrillite-(Ca) * | (Ca,[ ])19Mg2(PO4)14 | 2,099.61 |
2.31 % Mg | Pellyite | Ba2Ca(Fe++,Mg)2Si6O17 | 841.70 |
2.30 % Mg | Novacekite # | Mg(UO2)2(AsO4)2·12(H2O) | 1,058.38 |
2.28 % Mg | Jahnsite-(CaFeFe) ! | (Ca,Mn)(Fe++,Mn++)Fe++2Fe+++2(PO4)4(OH)2·8(H2O) | 851.41 |
2.28 % Mg | Glauconite # | (K,Na)(Fe+++,Al,Mg)2(Si,Al)4O10(OH)2 | 426.93 |
2.27 % Mg | Arrojadite-(BaNa) ! | BaFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 | 2,141.18 |
2.27 % Mg | Merrillite | Ca18Na2Mg2(PO4)14 | 2,145.59 |
2.25 % Mg | Ternovite ! | (Mg,Ca)Nb4O11-n(H2O) where n ~ 10 | 756.81 |
2.21 % Mg | Ekmanite ? | (Fe++,Mg,Mn,Fe+++)3(Si,Al)4O10(OH)2·2(H2O) | 440.08 |
2.19 % Mg | Katoptrite # | (Mn,Mg)13(Al,Fe+++)4Sb+++++2Si2O28 | 1,553.59 |
2.16 % Mg | Sarcopside # | (Fe++,Mn,Mg)3(PO4)2 | 338.25 |
2.14 % Mg | Tuite ! | Ca3(PO4)2 | 306.55 |
2.13 % Mg | Merrillite-(Y) * | Ca16Y2Mg2(PO4)14 | 2,277.42 |
2.12 % Mg | Montgomeryite # | Ca4MgAl4(PO4)6(OH)4·12(H2O) | 1,146.58 |
2.02 % Mg | Smolianinovite # | (Co,Ni,Mg,Ca)3(Fe+++,Al)2(AsO4)4·11(H2O) | 1,081.49 |
2.01 % Mg | Krasnovite ! | Ba(Al,Mg)(PO4,CO3)(OH)2·(H2O) | 301.90 |
2.00 % Mg | Bariumbannisterite * | (K,H3O)(Ba,Ca)(Mn++,Fe++,Mg)21(Si,Al)32O80(O,OH)16·4-12(H2O) | 3,648.84 |
1.99 % Mg | Magnesiocopiapite # | MgFe+++4(SO4)6(OH)2·20(H2O) | 1,218.39 |
1.99 % Mg | Lulzacite ! | Sr2Fe++(Fe++,Mg)2Al4(PO4)4(OH)10 | 975.43 |
1.99 % Mg | Ferrohogbomite-2N2S ! | (Fe++,Zn,Mg,Al)6Al14(Ti,Fe)2O30(OH)2 | 1,269.78 |
1.97 % Mg | Calcioferrite # | Ca4Fe++(Fe+++,Al)4(PO4)6(OH)4·12(H2O) | 1,233.18 |
1.97 % Mg | Teruggite | Ca4MgAs2B12O22(OH)12·12(H2O) | 1,236.44 |
1.96 % Mg | Manganberzeliite # | (Ca,Na)3(Mn,Mg)2(AsO4)3 | 618.74 |
1.96 % Mg | Ferroferribarroisite * | CaNa(Fe++,Mg)3Fe+++2[AlSi7O22](OH)2 | 928.23 |
1.96 % Mg | Ferribarroisite | CaNa(Fe++,Mg)3Fe+++2[AlSi7O22](OH)2 | 928.23 |
1.94 % Mg | Ruifrancoite ! | Ca2([ ],Mn)2(Fe+++,Mn,Mg)4Be4(PO4)6(OH)4·6H2O | 1,075.85 |
1.92 % Mg | Sekaninaite | (Fe++,Mg)2Al4Si5O18 | 632.27 |
1.89 % Mg | Bannisterite # | KCa(Mn,Fe++,Zn,Mg)21(Si,Al)32O76(OH)16·4-12(H2O) | 3,734.70 |
1.88 % Mg | Ferrierite-Mg # | (Mg,Na,K)2Mg(Si,Al)18O36·9(H2O) | 2,612.43 |
1.87 % Mg | Illite * | (K,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)] | 389.34 |
1.86 % Mg | Scorzalite # | (Fe++,Mg)Al2(PO4)2(OH)2 | 325.88 |
1.83 % Mg | Wadalite | Ca6Al5Si2O16Cl3 | 795.48 |
1.83 % Mg | Pakhomovskyite ! | Co3(PO4)2·8(H2O) | 504.18 |
1.78 % Mg | Caryinite # | (Na,Pb)(Ca,Na)(Ca,Mn++)(Mn++,Mg)2(AsO4)3 | 681.37 |
1.76 % Mg | Scheuchzerite ! | Na(Mn,Mg)9[VSi9O28(OH)](OH)3 | 1,309.36 |
1.75 % Mg | Chloro-potassichastingsite ! | KCa2(Fe++3MgFe+++)(Si6Al2)S8O22Cl2 | 1,002.11 |
1.74 % Mg | Quadruphite-VIII | Na14CaMgTi4(Si2O7)2(PO4)4O4F2 | 1,395.97 |
1.74 % Mg | Quadruphite-VII | Na14CaMgTi4[Si2O7]2(PO4)4O4F2 | 1,395.97 |
1.73 % Mg | Mazzite-Mg | K2CaMg2(Al,Si)36O72·28(H2O) | 2,808.04 |
1.71 % Mg | Manganosegelerite | (Mn,Ca)(Mn,Fe++,Mg)Fe+++(PO4)2(OH)·4(H2O) | 426.99 |
1.71 % Mg | Cassidyite | Ca2(Ni,Mg)(PO4)2·2(H2O) | 356.22 |
1.70 % Mg | Albrechtschraufite | Ca4Mg(UO2)2(CO3)6F2·17(H2O) | 1,428.98 |
1.69 % Mg | Nickelblodite | Na2(Ni,Mg)(SO4)2·4(H2O) | 360.26 |
1.68 % Mg | Oldhamite # | (Ca,Mg,Fe)S | 72.14 |
1.67 % Mg | Rivadavite | Na6MgB24O40·22(H2O) | 1,458.00 |
1.66 % Mg | Kinichilite | Mg0.5[Mn++Fe+++(TeO3)3]·4.5(H2O) | 730.80 |
1.66 % Mg | Homilite # | Ca2(Fe++,Mg)B2Si2O10 | 365.90 |
1.66 % Mg | Bobdownsite ! | Ca9Mg(PO3F)(PO4)6 | 1,054.36 |
1.66 % Mg | Iquiqueite | K3Na4Mg(Cr++++++O4)B24O39(OH)·12(H2O) | 1,466.16 |
1.65 % Mg | Keystoneite | Mg0.5[Ni++Fe++(TeO3)3]·4.5(H2O) | 734.55 |
1.65 % Mg | Davisite ! | Ca(Sc,Ti+++,Mg,Ti++++)AlSiO6 | 235.70 |
1.65 % Mg | Zincobotryogen | (Zn,Mg,Mn)Fe+++(SO4)2(OH)·7(H2O) | 443.11 |
1.64 % Mg | Berthierine # | (Fe++,Fe+++,Al,Mg)2-3(Si,Al)2O5(OH)4 | 295.97 |
1.64 % Mg | Zemannite | Mg0.5[Zn++Fe+++(TeO3)3]·4.5(H2O) | 741.25 |
1.61 % Mg | Huemulite | Na4Mg(V10O28)·24(H2O) | 1,506.03 |
1.59 % Mg | Khristovite-(Ce) ! | (Ca,REE)(Ce,REE)(Mg,Fe,Cr,Ti,V,Al)Mn++Al(SiO4)(Si2O7)(OH)(F,O) | 610.88 |
1.59 % Mg | Whitlockite # | Ca9(Mg,Fe++)(PO4)6(PO3OH) | 1,071.45 |
1.58 % Mg | Latrappite | (Ca,Na)(Nb,Ti,Fe)O3 | 154.29 |
1.58 % Mg | Taneyamalite | (Na,Ca)(Mn++,Mg)12[(Si,Al)6O17]2(O,OH)10 | 1,697.49 |
1.57 % Mg | Nickelboussingaultite | (NH4)2(Ni,Mg)(SO4)2·6(H2O) | 386.39 |
1.55 % Mg | Polyakovite-(Ce) ! | (Ce,La,Nd,Pr,Ca)4(Mg,Fe++)(Cr,Fe+++)2(Ti,Nb)2Si4O22 | 1,255.42 |
1.54 % Mg | Dansite # | Na21Mg(SO4)10Cl3 | 1,574.08 |
1.54 % Mg | Magnesiopascoite ! | Ca2Mg[V10O28]·16H2O | 1,341.11 |
1.53 % Mg | Kraisslite | (Mn++,Mg)24Zn3Fe+++(As+++O3)2(As+++++O4)3(SiO4)6(OH)18 | 3,019.54 |
1.50 % Mg | Ferrocarpholite # | (Fe++,Mg)Al2Si2O6(OH)4 | 324.65 |
1.49 % Mg | Xieite ! | FeCr2O4 | 212.12 |
1.49 % Mg | Coombsite ! | K(Mn++,Fe++,Mg)13(Si,Al)18O42(OH)14 | 2,127.66 |
1.48 % Mg | Parsettensite # | (K,Na,Ca)(Mn,Al)7Si8O20(OH)8·2(H2O) (?) | 1,150.86 |
1.46 % Mg | Cassagnaite ! | (Ca,Mn++)4(Fe+++,Mn+++,Al)4(OH)4(V+++,Mg,Al)2(O,OH)4(Si3O10)(SiO4)2 | 996.28 |
1.45 % Mg | Yofortierite | (Mn,Mg)5Si8O20(OH)2·8-9(H2O) | 1,002.61 |
1.45 % Mg | Hogtuvaite | (Ca,Na)2(Fe++,Fe+++,Ti,Mg,Mn)6(Si,Be,Al)6O20 | 837.17 |
1.43 % Mg | Wardsmithite | Ca5MgB24O42·30(H2O) | 1,696.57 |
1.43 % Mg | Holdenite # | (Mn,Mg)6Zn3(AsO4)2(SiO4)(OH)8 | 1,018.89 |
1.43 % Mg | Potassicferrisadanagaite ! | (K,Na)Ca2(Fe++,Mg)2(Fe+++,Al)2[Si5Al3O22](OH,F,O)2 | 951.81 |
1.43 % Mg | George-ericksenite ! | Na6CaMg(IO3)6(CrO4)2·12(H2O) | 1,699.91 |
1.43 % Mg | Brindleyite | (Ni,Mg,Fe++)2Al(SiAl)O5(OH)4 | 340.29 |
1.42 % Mg | Caryochroite ! | (Na,Sr)3(Fe+++,Mg)10[Ti2Si12O37](O,OH)9·8H2O | 1,968.92 |
1.41 % Mg | Astrophyllite # | K2Na(Fe++,Mn)7Ti2Si8O26(OH)4 | 1,289.00 |
1.41 % Mg | Erlianite | (Fe++,Mg)4(Fe+++,V+++)2[Si6O15](O,OH)8 | 861.42 |
1.41 % Mg | Beusite | (Mn++,Fe++,Ca,Mg)3(PO4)2 | 344.81 |
1.41 % Mg | Galaxite # | (Mn,Mg)(Al,Fe+++)2O4 | 172.72 |
1.40 % Mg | Manganvesuvianite ! | Ca19Mn+++(Al,Mn+++,Fe+++)10(Mg,Mn++)2Si18O69(OH)9 | 2,951.26 |
1.38 % Mg | Brandtite # | Ca2(Mn,Mg)(AsO4)2·2(H2O) | 441.30 |
1.37 % Mg | Okhotskite-(Mn++) | Ca2(Mn++,Mg)(Mn+++,Al,Fe+++)Si3O10(OH)4 | 530.54 |
1.37 % Mg | Stoppaniite ! | (Fe,Al,Mg)4(Na,[ ])2[Be6Si12O36]·2(H2O) | 1,190.23 |
1.37 % Mg | Roselite # | Ca2(Co,Mg)(AsO4)2·2(H2O) | 444.30 |
1.37 % Mg | Roselite-beta # | Ca2(Co,Mg)(AsO4)2·2(H2O) | 444.30 |
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(? - IMA Discredited Mineral Species Name)
(# - Grandfathered as valid)