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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 |
 Very Radioactive, limit exposure, handling and use secure storage. |
Natrozippeite | 103,963,200 /kg | 2.81E-6 /g | 4,372,483.8 | 1.438 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Masuyite | 110,818,900 /kg | 3.0E-6 /g | 4,372,738.8 | 1.438 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Haynesite | 107,579,000 /kg | 2.91E-6 /g | 4,379,416.1 | 1.440 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Althupite | 106,992,320 /kg | 2.89E-6 /g | 4,386,144.7 | 1.442 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Roubaultite | 106,934,600 /kg | 2.89E-6 /g | 4,395,426.5 | 1.445 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Arsenuranylite | 108,259,200 /kg | 2.93E-6 /g | 4,439,117.2 | 1.459 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Marecottite | 106,039,600 /kg | 2.87E-6 /g | 4,451,456.8 | 1.463 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Calciouranoite | 108,438,200 /kg | 2.93E-6 /g | 4,471,290.2 | 1.470 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Upalite | 107,758,000 /kg | 2.91E-6 /g | 4,480,680.0 | 1.473 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uranophane-beta | 108,635,100 /kg | 2.94E-6 /g | 4,483,295.0 | 1.474 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Vyacheslavite | 107,847,500 /kg | 2.91E-6 /g | 4,497,483.9 | 1.479 /g |
| Very Radioactive, limit exposure, handling and use secure storage. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Francoisite-(Nd) | 109,716,590 /kg | 2.97E-6 /g | 4,509,957.0 | 1.483 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Mundite | 109,422,700 /kg | 2.96E-6 /g | 4,531,018.0 | 1.490 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Zippeite | 110,803,051 /kg | 2.99E-6 /g | 4,563,481.4 | 1.500 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Fourmarierite | 115,508,700 /kg | 3.12E-6 /g | 4,576,533.6 | 1.505 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Tengchongite | 112,304,600 /kg | 3.04E-6 /g | 4,584,805.4 | 1.507 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Arsenovanmeersscheite | 113,611,300 /kg | 3.07E-6 /g | 4,615,379.3 | 1.517 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Rabejacite | 111,928,700 /kg | 3.03E-6 /g | 4,634,126.5 | 1.524 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Magnesiozippeite | 112,787,900 /kg | 3.05E-6 /g | 4,648,210.1 | 1.528 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Richetite | 118,390,600 /kg | 3.2E-6 /g | 4,652,124.3 | 1.529 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Holfertite | 114,166,273 /kg | 3.09E-6 /g | 4,664,314.1 | 1.533 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Yingjiangite | 114,364,460 /kg | 3.09E-6 /g | 4,676,517.9 | 1.537 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Protasite | 117,961,000 /kg | 3.19E-6 /g | 4,685,530.1 | 1.540 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Phosphuranylite | 114,077,151 /kg | 3.08E-6 /g | 4,685,672.4 | 1.540 /g |
| Very Radioactive, limit exposure, handling and use secure storage. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Lepersonnite-(Gd) | 114,588,488 /kg | 3.1E-6 /g | 4,701,330.3 | 1.546 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Lermontovite | 115,759,300 /kg | 3.13E-6 /g | 4,732,051.0 | 1.556 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Fontanite | 115,114,900 /kg | 3.11E-6 /g | 4,737,674.3 | 1.558 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Studtite | 113,879,800 /kg | 3.08E-6 /g | 4,753,486.5 | 1.563 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Joliotite | 116,385,800 /kg | 3.15E-6 /g | 4,783,582.3 | 1.573 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Clarkeite | 120,288,000 /kg | 3.25E-6 /g | 4,785,530.9 | 1.573 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Vandendriesscheite | 121,272,500 /kg | 3.28E-6 /g | 4,825,588.8 | 1.586 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Sharpite | 119,643,600 /kg | 3.23E-6 /g | 4,872,990.3 | 1.602 /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 |
| Very Radioactive, limit exposure, handling and use secure storage. |
Urancalcarite | 119,876,300 /kg | 3.24E-6 /g | 4,902,011.6 | 1.612 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Vanmeersscheite | 120,681,800 /kg | 3.26E-6 /g | 4,914,301.9 | 1.616 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Metavandendriesscheite | 123,975,400 /kg | 3.35E-6 /g | 4,916,606.5 | 1.616 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Nielsbohrite | 123,152,464 /kg | 3.33E-6 /g | 4,929,481.0 | 1.621 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Metacalciouranoite | 124,548,200 /kg | 3.37E-6 /g | 4,940,359.0 | 1.624 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Wyartite | 121,290,400 /kg | 3.28E-6 /g | 4,940,829.6 | 1.624 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Oswaldpeetersite | 120,663,900 /kg | 3.26E-6 /g | 4,945,849.1 | 1.626 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Billietite | 123,635,300 /kg | 3.34E-6 /g | 4,953,747.4 | 1.629 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Natroboltwoodite | 122,400,624 /kg | 3.31E-6 /g | 4,954,915.7 | 1.629 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Blatonite | 122,400,200 /kg | 3.31E-6 /g | 4,955,324.6 | 1.629 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uranopilite | 121,576,800 /kg | 3.29E-6 /g | 4,987,290.9 | 1.640 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Metavanmeersscheite | 123,832,200 /kg | 3.35E-6 /g | 5,003,716.6 | 1.645 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Rameauite | 126,017,167 /kg | 3.41E-6 /g | 5,086,601.0 | 1.672 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Jachymovite | 124,906,200 /kg | 3.38E-6 /g | 5,090,015.6 | 1.673 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Metastudtite | 126,033,900 /kg | 3.41E-6 /g | 5,112,194.8 | 1.681 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Soddyite | 127,519,600 /kg | 3.45E-6 /g | 5,124,361.4 | 1.685 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Agrinierite | 127,949,673 /kg | 3.46E-6 /g | 5,135,884.1 | 1.689 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Rutherfordine | 129,094,800 /kg | 3.49E-6 /g | 5,139,660.7 | 1.690 /g |
| 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 |
| Very Radioactive, limit exposure, handling and use secure storage. |
Coffinite | 130,007,700 /kg | 3.51E-6 /g | 5,174,893.2 | 1.701 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Metauranopilite | 129,345,400 /kg | 3.5E-6 /g | 5,208,910.8 | 1.713 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Becquerelite | 129,739,200 /kg | 3.51E-6 /g | 5,228,333.5 | 1.719 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Schoepite | 130,455,200 /kg | 3.53E-6 /g | 5,267,693.0 | 1.732 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Paraschoepite | 132,281,000 /kg | 3.58E-6 /g | 5,318,771.7 | 1.749 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Metaschoepite | 136,093,700 /kg | 3.68E-6 /g | 5,422,238.5 | 1.783 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Ianthinite | 140,121,200 /kg | 3.79E-6 /g | 5,528,918.0 | 1.818 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
IMA2008-022 | 140,121,200 /kg | 3.79E-6 /g | 5,528,918.0 | 1.818 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uraninite | 157,770,600 /kg | 4.26E-6 /g | 6,009,108.0 | 1.976 /g |
 Potentially lethal. Store only small amounts in lead container. |
Radiobarite | 31,860,550,776 /kg | 0.000861 /g | 1,351,803,503.7 | 444.429 /g |
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