Magnesium (Mg) Minerals sorted by Descending Weight Percent
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% Mg | Mineral Name | Chemical Formula | MW |
60.30 % Mg | Periclase # | MgO | 40.30 |
41.68 % Mg | Brucite # | Mg(OH)2 | 58.32 |
39.75 % Mg | Hydroxylborite ! | Mg3(BO3)(OH,F)3 | 185.25 |
39.33 % Mg | Fluoborite # | Mg3(BO3)(F,OH)3 | 186.61 |
39.07 % Mg | IMA2008-060 ! | Mg2(BO3)(OH) | 124.43 |
39.01 % Mg | Sellaite # | MgF2 | 62.30 |
38.29 % Mg | Wightmanite | Mg5(BO3)O(OH)5·2(H2O) | 317.40 |
38.27 % Mg | Kotoite # | Mg3B2O6 | 190.53 |
36.10 % Mg | Norbergite # | Mg3(SiO4)(F,OH)2 | 202.00 |
35.20 % Mg | Hydroxylclinohumite ! | Mg9(SiO4)4(OH,F)2 | 621.49 |
35.11 % Mg | Pertsevite ! | Mg2(BO3)F | 130.82 |
34.55 % Mg | Ringwoodite | Mg2SiO4 | 140.69 |
34.55 % Mg | Forsterite # | Mg2SiO4 | 140.69 |
33.62 % Mg | Phosphoellenbergerite ! | Mg14(PO4)6(PO3OH,CO3)2(OH)6 | 961.64 |
33.38 % Mg | Raadeite ! | Mg7(PO4)2(OH)8 | 493.69 |
32.36 % Mg | Suanite # | Mg2B2O5 | 150.23 |
32.06 % Mg | Pokrovskite | Mg2(CO3)(OH)2·0.5(H2O) | 151.64 |
30.87 % Mg | Magnesiohulsite | (Mg,Fe++)2(Mg,Fe+++,Sn++++)O2(BO3) | 188.93 |
30.59 % Mg | Holtedahlite | Mg12(PO3OH,CO3)(PO4)5(OH,O)6 | 953.53 |
30.27 % Mg | Hydroxylwagnerite ! | Mg2(PO4)(OH) | 160.59 |
30.18 % Mg | Althausite | Mg2(PO4)(OH,F,O) | 161.09 |
29.76 % Mg | Shabynite | Mg5(BO3)Cl2(OH)5·4(H2O) | 408.34 |
28.83 % Mg | Magnesite # | MgCO3 | 84.31 |
28.50 % Mg | Szaibelyite # | MgBO2(OH) | 84.44 |
28.30 % Mg | Coalingite | Mg10Fe+++2(CO3)(OH)24·2(H2O) | 858.96 |
27.75 % Mg | Chestermanite | Mg2(Fe+++,Mg,Al,Sb+++++)BO3O2 | 192.66 |
27.74 % Mg | Farringtonite | Mg3(PO4)2 | 262.86 |
27.02 % Mg | Nepskoeite ! | Mg4Cl(OH)7·6(H2O) | 359.82 |
26.98 % Mg | Azoproite | (Mg,Fe++)2(Fe+++,Ti,Mg)BO5 | 186.49 |
26.89 % Mg | Wagnerite # | (Mg,Fe++)2(PO4)F | 162.71 |
26.50 % Mg | Karlite ! | (Mg,Al)6(BO3)3(OH,Cl)4 | 412.74 |
26.31 % Mg | Lizardite # | Mg3Si2O5(OH)4 | 277.11 |
26.31 % Mg | Chrysotile ! | Mg3Si2O5(OH)4 | 277.11 |
26.31 % Mg | Orthochrysotile ? | Mg3Si2O5(OH)4 | 277.11 |
26.31 % Mg | Parachrysotile ? | Mg3Si2O5(OH)4 | 277.11 |
26.31 % Mg | Clinochrysotile ? | Mg3Si2O5(OH)4 | 277.11 |
26.28 % Mg | Brugnatellite # | Mg6Fe+++(CO3)(OH)13·4(H2O) | 554.84 |
26.13 % Mg | Carlosturanite | (Mg,Fe++,Ti,Mn)21(Si,Al)12O28(OH)34 | 1,757.93 |
25.99 % Mg | Hydromagnesite # | Mg5(CO3)4(OH)2·4(H2O) | 467.64 |
25.53 % Mg | Chloromagnesite * | MgCl2 | 95.21 |
25.37 % Mg | Olivine * | (Mg,Fe)2SiO4 | 153.31 |
25.23 % Mg | Meixnerite | Mg6Al2(OH)18·4(H2O) | 577.99 |
25.02 % Mg | Dypingite | Mg5(CO3)4(OH)2·5(H2O) | 485.65 |
25.02 % Mg | Giorgiosite # | Mg5(CO3)4(OH)2·5(H2O) | 485.65 |
25.01 % Mg | Pinakiolite # | Mg2Mn+++O2(BO3) | 194.36 |
25.01 % Mg | Takeuchiite | Mg2Mn+++O2(BO3) | 194.36 |
24.98 % Mg | Kovdorskite | Mg5(PO4)2(CO3)(OH)2·4.5(H2O) | 486.56 |
24.95 % Mg | Fredrikssonite | Mg2(Mn+++,Fe+++)O2(BO3) | 194.81 |
24.89 % Mg | Ludwigite # | Mg2Fe+++BO5 | 195.26 |
24.72 % Mg | Artinite # | Mg2(CO3)(OH)2·3(H2O) | 196.68 |
24.64 % Mg | Iowaite | Mg4Fe+++(OH)8OCl·2-4(H2O) | 394.62 |
24.21 % Mg | Clinoenstatite # | Mg2Si2O6 | 200.78 |
24.21 % Mg | Enstatite # | Mg2Si2O6 | 200.78 |
24.14 % Mg | Manasseite # | Mg6Al2(CO3)(OH)16·4(H2O) | 603.98 |
24.14 % Mg | Hydrotalcite # | Mg6Al2(CO3)(OH)16·4(H2O) | 603.98 |
23.85 % Mg | Chondrodite # | (Mg,Fe++)5(SiO4)2(F,OH)2 | 382.12 |
23.69 % Mg | Humite # | (Mg,Fe++)7(SiO4)3(F,OH)2 | 538.58 |
23.60 % Mg | Clinohumite # | (Mg,Fe++)9(SiO4)4(F,OH)2 | 695.05 |
23.47 % Mg | Korshunovskite | Mg2Cl(OH)3·3.5-4(H2O) | 207.15 |
23.31 % Mg | Neighborite | NaMgF3 | 104.29 |
23.30 % Mg | Wadsleyite | (Mg,Fe++)2SiO4 | 156.46 |
23.21 % Mg | Heneuite | CaMg5(PO4)3(CO3)(OH) | 523.53 |
23.10 % Mg | Caminite | Mg7(SO4)5(OH)4·(H2O) | 736.50 |
22.86 % Mg | Woodallite ! | Mg6Cr2(OH)16Cl2·4(H2O) | 659.31 |
22.77 % Mg | Glagolevite ! | NaMg6[Si3AlO10](OH,O)8·H2O | 592.47 |
22.60 % Mg | Chlorartinite ! | Mg2(CO3)Cl(OH)·3(H2O) | 215.13 |
22.47 % Mg | Mcguinnessite | (Mg,Cu)2(CO3)(OH)2 | 162.25 |
22.30 % Mg | Stichtite # | Mg6Cr2(CO3)(OH)16·4(H2O) | 654.01 |
22.30 % Mg | Barbertonite # | Mg6Cr2(CO3)(OH)16·4(H2O) | 654.01 |
22.10 % Mg | Desautelsite | Mg6Mn+++2(CO3)(OH)16·4(H2O) | 659.89 |
22.04 % Mg | Sjogrenite # | Mg6Fe+++2(CO3)(OH)16·4(H2O) | 661.71 |
22.04 % Mg | Pyroaurite # | Mg6Fe+++2(CO3)(OH)16·4(H2O) | 661.71 |
21.79 % Mg | Anthophyllite # | [ ]Mg7Si8O22(OH)2 | 780.82 |
21.79 % Mg | Cummingtonite # | [ ]Mg7Si8O22(OH)2 | 780.82 |
21.77 % Mg | Muskoxite | Mg7Fe+++4O13·10(H2O) | 781.67 |
21.41 % Mg | Aluminomagnesiohulsite ! | Mg2(Al,Mg,Sn)(BO3)O2 | 195.24 |
21.34 % Mg | Sapphirine # | (Mg,Al)8(Al,Si)6O20 | 683.33 |
21.17 % Mg | Nanlingite | CaMg4(AsO3)2F4 | 459.13 |
21.17 % Mg | Niningerite | (Mg,Fe++,Mn)S | 68.90 |
21.17 % Mg | Sodicanthophyllite | NaMg7Si8O22(OH)2 | 803.81 |
20.65 % Mg | Huntite # | CaMg3(CO3)4 | 353.03 |
20.63 % Mg | Kulkeite | Na0.35Mg8AlSi7O20(OH)10 | 942.67 |
20.44 % Mg | Sergeevite | Ca2Mg11(CO3)9(HCO3)4(OH)4·6(H2O) | 1,307.78 |
20.39 % Mg | Dozyite | (Mg7Al2)(Si4Al2)O15(OH)12 | 834.48 |
20.22 % Mg | Geikielite # | MgTiO3 | 120.18 |
20.20 % Mg | Barringtonite | MgCO3·2(H2O) | 120.34 |
20.16 % Mg | Sulfoborite # | Mg3B2(SO4)(OH)8(OH,F)2 | 361.67 |
20.08 % Mg | Chladniite | Na2Ca(Mg,Fe++)7(PO4)6 | 847.39 |
19.95 % Mg | Quintinite-3T | Mg4Al2(OH)12CO3·4(H2O) | 487.34 |
19.95 % Mg | Quintinite-2H | Mg4Al2(OH)12CO3·4(H2O) | 487.34 |
19.28 % Mg | Sinhalite # | MgAlBO4 | 126.09 |
19.23 % Mg | Talc # | Mg3Si4O10(OH)2 | 379.27 |
19.21 % Mg | Balangeroite | (Mg,Fe+++,Fe++,Mn++)42Si16O54(OH)40 | 3,377.84 |
19.13 % Mg | Protoanthophyllite ! | (Mg,Fe)7Si8O22(OH)2 | 801.60 |
18.80 % Mg | Canavesite | Mg2(CO3)(HBO3)·5(H2O) | 258.51 |
18.60 % Mg | Boracite # | Mg3B7O13Cl | 392.03 |
18.34 % Mg | Mountkeithite | (Mg,Ni)11(Fe+++,Cr)3(SO4,CO3)3.5(OH)24·11(H2O) | 1,426.01 |
18.32 % Mg | Chopinite ! | (Mg,Fe)3(PO4)2 | 291.81 |
18.18 % Mg | Antigorite # | (Mg,Fe++)3Si2O5(OH)4 | 300.77 |
18.13 % Mg | Sodicgedrite | NaMg6AlSi6Al2O22(OH)2 | 804.28 |
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(! - New Dana Classification Number Has Been Changed or Added)
(? - IMA Discredited Mineral Species Name)
(# - Grandfathered as valid)