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Calculated Radioactivity
See Help on Radioactivity for background on the calculation. Legend
Click Here For Mineral species sorted by Radioactive Strength.
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| Relative Activity |
Mineral Name | Calculated Activity Becquerel/kilogram |
Calculated Activity Curie/gram |
Estimate Activity GR(api) |
Estimate Activity mRem/hr per gram |
 Very Radioactive, limit exposure, handling and use secure storage. |
Compreignacite | 127,270,179 /kg | 3.44E-6 /g | 5,140,241.7 | 1.690 /g |
 Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Coombsite | 554 /kg | 1.5E-11 /g | 25.8 | 0.000 /g |
 Weak - Low level of Radioactivity, may show on average radiation equipment.*Missing Thorium content - estimated from Rare Earth Element concentration. |
Cordylite-(Ce) | 986,048 /kg | 2.66E-8 /g | 41,319.8 | 0.014 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Corrensite | 191 /kg | 5.16E-12 /g | 9.2 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Corvusite | 212 /kg | 5.73E-12 /g | 9.7 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Coskrenite-(Ce) | 894,656 /kg | 2.42E-8 /g | 40,607.7 | 0.013 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Cousinite | 84,505,900 /kg | 2.28E-6 /g | 3,542,370.8 | 1.165 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Coutinhoite | 122,115,476 /kg | 3.3E-6 /g | 4,881,043.8 | 1.605 /g |
 Mild - Very low level of Radioactivity, no special precautions needed.*Missing Thorium content - estimated from Rare Earth Element concentration. |
Crichtonite | 52,640 /kg | 1.42E-9 /g | 2,362.7 | 0.001 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Cryptomelane | 1,612 /kg | 4.36E-11 /g | 72.5 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Cryptophyllite | 4,927 /kg | 1.33E-10 /g | 238.1 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Cuprosklodowskite | 98,861,700 /kg | 2.67E-6 /g | 4,138,701.0 | 1.361 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Curienite | 79,834,000 /kg | 2.16E-6 /g | 3,261,802.3 | 1.072 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Curite | 113,360,700 /kg | 3.06E-6 /g | 4,365,570.0 | 1.435 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Cyanochroite | 5,360 /kg | 1.45E-10 /g | 257.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Dachiardite-Ca | 606 /kg | 1.64E-11 /g | 29.0 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Dachiardite-Na | 464 /kg | 1.25E-11 /g | 22.3 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Dalyite | 3,936 /kg | 1.06E-10 /g | 183.0 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Daqingshanite-(Ce) | 569,184 /kg | 1.54E-8 /g | 24,921.8 | 0.008 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Darapiosite | 1,048 /kg | 2.83E-11 /g | 48.6 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Davanite | 5,203 /kg | 1.41E-10 /g | 244.2 | 0.000 /g |
 Strong - Noticeable Radioactivity, limit exposure and handling.*Missing Thorium content - estimated from Rare Earth Element concentration. |
Davidite-(Ce) | 5,841,404 /kg | 1.58E-7 /g | 259,721.7 | 0.085 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Davidite-(La) | 5,860,628 /kg | 1.58E-7 /g | 260,778.5 | 0.086 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Davyne | 1,703 /kg | 4.6E-11 /g | 79.9 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Decrespignyite-(Y) | 320,292 /kg | 8.66E-9 /g | 14,282.4 | 0.005 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Delhayelite | 915 /kg | 2.47E-11 /g | 43.8 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Deliensite | 97,250,700 /kg | 2.63E-6 /g | 4,079,932.4 | 1.341 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Delindeite | 267 /kg | 7.22E-12 /g | 11.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Dellaventuraite | 548 /kg | 1.48E-11 /g | 25.7 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Deloneite-(Ce) | 494,368 /kg | 1.34E-8 /g | 22,021.8 | 0.007 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Deloryite | 45,018,500 /kg | 1.22E-6 /g | 1,929,671.0 | 0.634 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Demartinite | 10,757 /kg | 2.91E-10 /g | 492.9 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Demesmaekerite | 39,218,900 /kg | 1.06E-6 /g | 1,627,791.1 | 0.535 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Denisovite | 2,566 /kg | 6.94E-11 /g | 121.5 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Derriksite | 48,401,600 /kg | 1.31E-6 /g | 2,062,663.8 | 0.678 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Dessauite | 6,873,600 /kg | 1.86E-7 /g | 305,935.2 | 0.101 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Dewindtite | 88,032,200 /kg | 2.38E-6 /g | 3,567,732.2 | 1.173 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Dickinsonite | 276 /kg | 7.46E-12 /g | 12.7 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Dickinsonite-(KMnNa) | 279 /kg | 7.54E-12 /g | 12.8 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Dickinsonite-(KNa) | 545 /kg | 1.47E-11 /g | 24.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Dickinsonite-(KNaNa) | 576 /kg | 1.56E-11 /g | 26.5 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Dingdaohengite-(Ce) | 80,640 /kg | 2.18E-9 /g | 3,504.8 | 0.001 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Direnzoite | 1,218 /kg | 3.29E-11 /g | 58.6 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Dissakisite-(Ce) | 586,343 /kg | 1.58E-8 /g | 26,533.3 | 0.009 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Dissakisite-(La) | 1,908,304 /kg | 5.16E-8 /g | 86,720.9 | 0.029 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Diversilite-(Ce) | 259,655 /kg | 7.02E-9 /g | 11,551.5 | 0.004 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Djerfisherite | 2,842 /kg | 7.68E-11 /g | 129.4 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Dollaseite-(Ce) | 569,408 /kg | 1.54E-8 /g | 25,873.5 | 0.009 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Dorallcharite | 576 /kg | 1.56E-11 /g | 25.8 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Douglasite | 7,596 /kg | 2.05E-10 /g | 352.5 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Dualite | 69,033 /kg | 1.87E-9 /g | 3,209.5 | 0.001 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Dumontite | 83,181,300 /kg | 2.25E-6 /g | 3,340,038.9 | 1.098 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Dusmatovite | 1,609 /kg | 4.35E-11 /g | 74.6 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Eastonite | 2,827 /kg | 7.64E-11 /g | 133.7 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Eifelite | 1,157 /kg | 3.13E-11 /g | 54.7 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Eirikite | 870 /kg | 2.35E-11 /g | 40.9 | 0.000 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Ekanite | 12,127,360 /kg | 3.28E-7 /g | 541,761.0 | 0.178 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Elpasolite | 9,784 /kg | 2.64E-10 /g | 446.3 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Englishite | 1,000 /kg | 2.7E-11 /g | 47.8 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Erionite-Ca | 627 /kg | 1.69E-11 /g | 30.3 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Erionite-K | 1,327 /kg | 3.59E-11 /g | 64.2 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Erionite-Na | 842 /kg | 2.28E-11 /g | 40.5 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Ershovite | 3,475 /kg | 9.39E-11 /g | 165.0 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Erythrosiderite | 7,193 /kg | 1.94E-10 /g | 330.6 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Euchlorine | 2,127 /kg | 5.75E-11 /g | 97.8 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Eudialyte | 158,144 /kg | 4.27E-9 /g | 7,282.2 | 0.002 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Euxenite-(Y) | 79,968 /kg | 2.16E-9 /g | 3,418.2 | 0.001 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Eveslogite | 3,651 /kg | 9.87E-11 /g | 170.0 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Ewaldite | 106,400 /kg | 2.88E-9 /g | 4,621.5 | 0.002 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Eylettersite | 8,641,920 /kg | 2.34E-7 /g | 392,605.6 | 0.129 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Fairchildite | 9,941 /kg | 2.69E-10 /g | 468.7 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Faizievite | 1,870 /kg | 5.05E-11 /g | 87.8 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Farneseite | 1,345 /kg | 3.64E-11 /g | 63.2 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Fedorite | 791 /kg | 2.14E-11 /g | 37.8 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Fedotovite | 4,133 /kg | 1.12E-10 /g | 190.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Feklichevite | 4,928 /kg | 1.33E-10 /g | 229.8 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Fenaksite | 2,642 /kg | 7.14E-11 /g | 123.9 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Fergusonite-beta-(Ce) | 1,094,640 /kg | 2.96E-8 /g | 46,010.8 | 0.015 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Fergusonite-beta-(Nd) | 1,017,592 /kg | 2.75E-8 /g | 42,876.8 | 0.014 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Fergusonite-(Ce) | 948,416 /kg | 2.56E-8 /g | 40,077.8 | 0.013 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Fergusonite-(Nd) | 960,691 /kg | 2.6E-8 /g | 40,771.5 | 0.013 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Ferriallanite-(Ce) | 470,176 /kg | 1.27E-8 /g | 21,233.9 | 0.007 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferri-clinoholmquistite | 39 /kg | 1.05E-12 /g | 1.8 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferrierite-K | 927 /kg | 2.51E-11 /g | 44.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferrierite-Mg | 539 /kg | 1.46E-11 /g | 25.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferrierite-Na | 439 /kg | 1.19E-11 /g | 21.1 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferri-ottoliniite | 94 /kg | 2.54E-12 /g | 4.4 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferripedrizite | 55 /kg | 1.49E-12 /g | 2.6 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferritungstite | 567 /kg | 1.53E-11 /g | 23.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferriwhittakerite | 191 /kg | 5.16E-12 /g | 8.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferriwinchite | 124 /kg | 3.35E-12 /g | 5.8 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Ferroaluminoceladonite | 2,763 /kg | 7.47E-11 /g | 130.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Ferroceladonite | 2,951 /kg | 7.98E-11 /g | 139.3 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferroholmquistite | 12 /kg | 3.24E-13 /g | 0.6 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Ferrokentbrooksite | 99,254 /kg | 2.68E-9 /g | 4,568.0 | 0.002 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferrokinoshitalite | 900 /kg | 2.43E-11 /g | 41.0 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Ferronordite-(Ce) | 395,584 /kg | 1.07E-8 /g | 17,807.7 | 0.006 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Ferronordite-(La) | 409,696 /kg | 1.11E-8 /g | 18,392.9 | 0.006 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Ferrosaponite | 21 /kg | 5.68E-13 /g | 1.0 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Fersmite | 1,326,080 /kg | 3.58E-8 /g | 57,145.6 | 0.019 /g |
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