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Calculated Radioactivity
See Help on Radioactivity for background on the calculation. Legend
Click Here For Mineral species sorted by Mineral Name.
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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 |
 Weak - Low level of Radioactivity, may show on average radiation equipment.*Missing Thorium content - estimated from Rare Earth Element concentration. |
Peprossiite-(Ce) | 767,872 /kg | 2.08E-8 /g | 33,908.8 | 0.011 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Vitusite-(Ce) | 786,464 /kg | 2.13E-8 /g | 34,696.6 | 0.011 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Maoniupingite-(Ce) | 790,186 /kg | 2.14E-8 /g | 34,874.5 | 0.011 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Thomasclarkite-(Y) | 769,804 /kg | 2.08E-8 /g | 35,215.9 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Ancylite-(La) | 816,480 /kg | 2.21E-8 /g | 35,474.6 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Polyakovite-(Ce) | 824,320 /kg | 2.23E-8 /g | 35,657.2 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Ancylite-(Ce) | 819,840 /kg | 2.22E-8 /g | 35,681.9 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Zajacite-(Ce) | 822,783 /kg | 2.22E-8 /g | 36,045.7 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
IMA2009-015 | 860,384 /kg | 2.33E-8 /g | 36,165.0 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Remondite-(Ce) | 818,944 /kg | 2.21E-8 /g | 36,233.0 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Steenstrupine-(Ce) | 824,320 /kg | 2.23E-8 /g | 36,743.6 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Hingganite-(Yb) | 854,112 /kg | 2.31E-8 /g | 37,190.2 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Chernovite-(Ce) | 884,128 /kg | 2.39E-8 /g | 37,391.8 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Chevkinite-(Ce) | 860,160 /kg | 2.32E-8 /g | 37,548.3 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Hellandite-(Ce) | 853,807 /kg | 2.31E-8 /g | 37,942.2 | 0.012 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Gatelite-(Ce) | 861,490 /kg | 2.33E-8 /g | 38,145.6 | 0.013 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Paratooite-(La) | 870,951 /kg | 2.35E-8 /g | 38,229.1 | 0.013 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Belovite-(La) | 900,032 /kg | 2.43E-8 /g | 38,384.4 | 0.013 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Okanoganite-(Y) | 885,367 /kg | 2.39E-8 /g | 38,565.7 | 0.013 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Petersenite-(Ce) | 887,264 /kg | 2.4E-8 /g | 39,024.3 | 0.013 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Rhenium | 1,020,000 /kg | 2.76E-8 /g | 39,127.0 | 0.013 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Aeschynite-(Nd) | 921,088 /kg | 2.49E-8 /g | 39,710.0 | 0.013 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Vastmanlandite-(Ce) | 905,705 /kg | 2.45E-8 /g | 39,924.2 | 0.013 /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. |
Hingganite-(Ce) | 916,342 /kg | 2.48E-8 /g | 40,327.7 | 0.013 /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 |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Lucasite-(Ce) | 942,816 /kg | 2.55E-8 /g | 40,721.4 | 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. |
Cordylite-(Ce) | 986,048 /kg | 2.66E-8 /g | 41,319.8 | 0.014 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Calcioancylite-(Ce) | 936,096 /kg | 2.53E-8 /g | 41,743.2 | 0.014 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Calcioancylite-(Nd) | 952,000 /kg | 2.57E-8 /g | 42,466.3 | 0.014 /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. |
Synchysite-(Ce) | 983,136 /kg | 2.66E-8 /g | 43,109.7 | 0.014 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Tundrite-(Ce) | 1,009,552 /kg | 2.73E-8 /g | 43,798.3 | 0.014 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Synchysite-(Nd) | 999,264 /kg | 2.7E-8 /g | 43,841.5 | 0.014 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Gadolinite-(Ce) | 1,020,414 /kg | 2.76E-8 /g | 44,122.9 | 0.015 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Tundrite-(Nd) | 1,032,416 /kg | 2.79E-8 /g | 44,895.0 | 0.015 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Lukechangite-(Ce) | 1,031,968 /kg | 2.79E-8 /g | 44,906.9 | 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-(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. |
Lanthanite-(La) | 1,034,656 /kg | 2.8E-8 /g | 46,503.3 | 0.015 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Mottanaite-(Ce) | 1,030,400 /kg | 2.78E-8 /g | 46,675.0 | 0.015 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Lanthanite-(Ce) | 1,037,120 /kg | 2.8E-8 /g | 46,691.6 | 0.015 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Gasparite-(Ce) | 1,124,704 /kg | 3.04E-8 /g | 47,211.9 | 0.016 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Lanthanite-(Nd) | 1,049,440 /kg | 2.84E-8 /g | 47,261.5 | 0.016 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Galgenbergite-(Ce) | 1,085,280 /kg | 2.93E-8 /g | 47,505.9 | 0.016 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Rontgenite-(Ce) | 1,096,704 /kg | 2.96E-8 /g | 47,572.5 | 0.016 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Biraite-(Ce) | 1,107,694 /kg | 2.99E-8 /g | 47,847.2 | 0.016 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Sahamalite-(Ce) | 1,136,128 /kg | 3.07E-8 /g | 49,242.6 | 0.016 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Aluminocerite-(Ce) | 1,132,256 /kg | 3.06E-8 /g | 49,265.6 | 0.016 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Kozoite-(La) | 1,143,615 /kg | 3.09E-8 /g | 49,613.7 | 0.016 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Stillwellite-(Ce) | 1,149,120 /kg | 3.11E-8 /g | 49,614.4 | 0.016 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Parisite-(Ce) | 1,163,456 /kg | 3.14E-8 /g | 50,118.5 | 0.016 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Wakefieldite-(La) | 1,212,813 /kg | 3.28E-8 /g | 51,088.0 | 0.017 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Parisite-(Nd) | 1,197,952 /kg | 3.24E-8 /g | 51,533.7 | 0.017 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Churchite-(Nd) | 1,173,760 /kg | 3.17E-8 /g | 51,566.4 | 0.017 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Keiviite-(Yb) | 1,231,328 /kg | 3.33E-8 /g | 51,771.2 | 0.017 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Calkinsite-(Ce) | 1,177,792 /kg | 3.18E-8 /g | 51,771.3 | 0.017 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Wakefieldite-(Nd) | 1,246,560 /kg | 3.37E-8 /g | 52,671.7 | 0.017 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Churchite-(Dy) | 1,212,734 /kg | 3.28E-8 /g | 52,767.9 | 0.017 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Tornebohmite-(La) | 1,230,880 /kg | 3.33E-8 /g | 52,850.3 | 0.017 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Cerite-(La) | 1,230,534 /kg | 3.33E-8 /g | 52,879.7 | 0.017 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Tornebohmite-(Ce) | 1,235,808 /kg | 3.34E-8 /g | 53,182.6 | 0.017 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Rhabdophane-(La) | 1,236,032 /kg | 3.34E-8 /g | 53,307.6 | 0.018 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Rhabdophane-(Ce) | 1,238,496 /kg | 3.35E-8 /g | 53,520.1 | 0.018 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Rhabdophane-(Nd) | 1,248,128 /kg | 3.37E-8 /g | 53,959.4 | 0.018 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
IMA2009-013 | 1,263,584 /kg | 3.42E-8 /g | 54,006.9 | 0.018 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Percleveite-(Ce) | 1,336,034 /kg | 3.61E-8 /g | 56,822.0 | 0.019 /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 |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
IMA2008-035 | 1,351,616 /kg | 3.65E-8 /g | 57,649.1 | 0.019 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Cerite-(Ce) | 1,402,688 /kg | 3.79E-8 /g | 59,567.4 | 0.020 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Bastnasite-(La) | 1,427,776 /kg | 3.86E-8 /g | 59,891.5 | 0.020 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Kozoite-(Nd) | 1,403,528 /kg | 3.79E-8 /g | 59,974.7 | 0.020 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Xenotime-(Yb) | 1,446,144 /kg | 3.91E-8 /g | 60,111.9 | 0.020 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Bastnasite-(Ce) | 1,432,256 /kg | 3.87E-8 /g | 60,376.8 | 0.020 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Hydroxylbastnasite-(La) | 1,440,992 /kg | 3.89E-8 /g | 60,998.2 | 0.020 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Bussyite-(Ce) | 1,354,102 /kg | 3.66E-8 /g | 61,330.7 | 0.020 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Hydroxylbastnasite-(Ce) | 1,445,472 /kg | 3.91E-8 /g | 61,489.4 | 0.020 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Hydroxylbastnasite-(Nd) | 1,460,256 /kg | 3.95E-8 /g | 62,209.4 | 0.020 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Fluocerite-(La) | 1,588,384 /kg | 4.29E-8 /g | 64,889.0 | 0.021 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Fluocerite-(Ce) | 1,591,744 /kg | 4.3E-8 /g | 65,328.9 | 0.021 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Iwashiroite-(Y) | 1,692,796 /kg | 4.58E-8 /g | 70,238.5 | 0.023 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Zirconolite-3O | 1,617,280 /kg | 4.37E-8 /g | 71,589.3 | 0.024 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Cervandonite-(Ce) | 1,635,200 /kg | 4.42E-8 /g | 72,202.8 | 0.024 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Haleniusite-(La) | 1,791,328 /kg | 4.84E-8 /g | 72,860.6 | 0.024 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Tritomite-(Ce) | 1,975,680 /kg | 5.34E-8 /g | 85,377.8 | 0.028 /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. |
Monazite-(Nd) | 2,154,880 /kg | 5.82E-8 /g | 91,281.1 | 0.030 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Monazite-(Ce) | 2,159,360 /kg | 5.84E-8 /g | 91,360.1 | 0.030 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Monazite-(La) | 2,163,840 /kg | 5.85E-8 /g | 91,467.0 | 0.030 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Sazhinite-(La) | 2,073,553 /kg | 5.6E-8 /g | 94,832.9 | 0.031 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Melanocerite-(Ce) | 2,298,240 /kg | 6.21E-8 /g | 97,351.5 | 0.032 /g |
 Strong - Noticeable Radioactivity, limit exposure and handling. |
Menezesite | 2,360,844 /kg | 6.38E-8 /g | 103,091.0 | 0.034 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Zirkelite | 2,714,880 /kg | 7.34E-8 /g | 119,071.7 | 0.039 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Karnasurtite-(Ce) | 2,768,640 /kg | 7.48E-8 /g | 123,727.4 | 0.041 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Orthochevkinite | 3,548,160 /kg | 9.59E-8 /g | 154,746.6 | 0.051 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Piergorite-(Ce) | 3,412,627 /kg | 9.22E-8 /g | 155,961.8 | 0.051 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Kukharenkoite-(La) | 3,772,236 /kg | 1.02E-7 /g | 157,100.0 | 0.052 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Saryarkite-(Y) | 3,369,460 /kg | 9.11E-8 /g | 157,296.6 | 0.052 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Lakargiite | 3,696,740 /kg | 9.99E-8 /g | 164,134.1 | 0.054 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Vicanite-(Ce) | 4,067,840 /kg | 1.1E-7 /g | 176,348.5 | 0.058 /g |
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