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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 |
 Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Merrihueite | 1,576 /kg | 4.26E-11 /g | 73.8 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Monsmedite | 1,618 /kg | 4.37E-11 /g | 74.0 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Tounkite | 1,573 /kg | 4.25E-11 /g | 74.1 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Dusmatovite | 1,609 /kg | 4.35E-11 /g | 74.6 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Hydrodelhayelite | 1,563 /kg | 4.22E-11 /g | 75.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Lovdarite | 1,597 /kg | 4.32E-11 /g | 76.1 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Shlykovite | 1,591 /kg | 4.3E-11 /g | 76.2 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Tsepinite-K | 1,657 /kg | 4.48E-11 /g | 76.7 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Zemkorite | 1,633 /kg | 4.41E-11 /g | 76.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Challacolloite | 1,915 /kg | 5.18E-11 /g | 77.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Niobophyllite | 1,697 /kg | 4.59E-11 /g | 77.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Glauconite | 1,663 /kg | 4.49E-11 /g | 78.2 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Niobokupletskite | 1,718 /kg | 4.64E-11 /g | 78.6 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Sogdianite | 1,691 /kg | 4.57E-11 /g | 79.0 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Alloriite | 1,685 /kg | 4.55E-11 /g | 79.4 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Kaliborite | 1,651 /kg | 4.46E-11 /g | 79.4 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Davyne | 1,703 /kg | 4.6E-11 /g | 79.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Selwynite | 1,757 /kg | 4.75E-11 /g | 80.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Lemmleinite-Ba | 1,751 /kg | 4.73E-11 /g | 80.8 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Hummerite | 1,724 /kg | 4.66E-11 /g | 80.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Odintsovite | 1,730 /kg | 4.68E-11 /g | 81.2 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Lecontite | 1,657 /kg | 4.48E-11 /g | 81.4 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Sitinakite | 1,800 /kg | 4.86E-11 /g | 83.4 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Labuntsovite-Mn | 1,803 /kg | 4.87E-11 /g | 83.6 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Vuoriyarvite-K | 1,809 /kg | 4.89E-11 /g | 84.0 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Latiumite | 1,791 /kg | 4.84E-11 /g | 84.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Taseqite | 1,850 /kg | 5.0E-11 /g | 84.6 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Astrophyllite | 1,836 /kg | 4.96E-11 /g | 85.1 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Magnesioastrophyllite | 1,857 /kg | 5.02E-11 /g | 86.3 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Kuzmenkoite-Mn | 1,836 /kg | 4.96E-11 /g | 86.4 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Franzinite | 1,836 /kg | 4.96E-11 /g | 86.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Yuksporite | 1,860 /kg | 5.03E-11 /g | 86.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Illite | 1,824 /kg | 4.93E-11 /g | 87.4 | 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. |
Kalifersite | 1,848 /kg | 4.99E-11 /g | 87.8 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Montdorite | 1,900 /kg | 5.14E-11 /g | 88.3 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Fuenzalidaite | 1,976 /kg | 5.34E-11 /g | 88.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Gjerdingenite-Fe | 1,906 /kg | 5.15E-11 /g | 88.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Gobbinsite | 1,854 /kg | 5.01E-11 /g | 89.0 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Canasite | 1,882 /kg | 5.09E-11 /g | 89.2 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Bystrite | 1,924 /kg | 5.2E-11 /g | 90.6 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Merlinoite | 1,894 /kg | 5.12E-11 /g | 90.8 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Gmelinite-K | 1,894 /kg | 5.12E-11 /g | 91.4 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Kupletskite | 1,991 /kg | 5.38E-11 /g | 91.6 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Volkovskite | 1,912 /kg | 5.17E-11 /g | 92.1 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Kremersite | 1,988 /kg | 5.37E-11 /g | 93.4 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Marinellite | 1,997 /kg | 5.4E-11 /g | 93.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Shafranovskite | 2,003 /kg | 5.41E-11 /g | 94.6 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Clinoptilolite-K | 1,976 /kg | 5.34E-11 /g | 95.0 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Nepheline | 2,027 /kg | 5.48E-11 /g | 95.1 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Fluorophlogopite | 2,079 /kg | 5.62E-11 /g | 97.7 | 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 |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Labuntsovite-Fe | 2,106 /kg | 5.69E-11 /g | 97.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Jeppeite | 2,215 /kg | 5.99E-11 /g | 98.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Chromphyllite | 2,136 /kg | 5.77E-11 /g | 99.1 | 0.000 /g |
 Mild - Very low level of Radioactivity, no special precautions needed. |
Hendricksite | 2,160 /kg | 5.84E-11 /g | 100.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Johnwalkite | 2,215 /kg | 5.99E-11 /g | 101.1 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
IMA2008-065 | 2,160 /kg | 5.84E-11 /g | 101.4 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Labuntsovite-Mg | 2,185 /kg | 5.91E-11 /g | 101.9 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Giuseppettite | 2,185 /kg | 5.91E-11 /g | 102.7 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Olmsteadite | 2,260 /kg | 6.11E-11 /g | 102.7 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Paralabuntsovite-Mg | 2,185 /kg | 5.91E-11 /g | 102.7 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Shirozulite | 2,218 /kg | 5.99E-11 /g | 102.9 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Metavoltine | 2,163 /kg | 5.85E-11 /g | 103.1 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Neskevaaraite-Fe | 2,215 /kg | 5.99E-11 /g | 103.1 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Shibkovite | 2,206 /kg | 5.96E-11 /g | 103.1 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Fluorannite | 2,248 /kg | 6.08E-11 /g | 104.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Pitiglianoite | 2,227 /kg | 6.02E-11 /g | 104.9 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Kosnarite | 2,336 /kg | 6.31E-11 /g | 105.4 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Hazenite | 2,142 /kg | 5.79E-11 /g | 106.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Tetraferriannite | 2,288 /kg | 6.18E-11 /g | 106.3 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Annite | 2,309 /kg | 6.24E-11 /g | 107.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Willhendersonite | 2,248 /kg | 6.08E-11 /g | 108.1 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Jarosite | 2,363 /kg | 6.39E-11 /g | 111.0 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Siderophyllite | 2,442 /kg | 6.6E-11 /g | 113.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Kamchatkite | 2,503 /kg | 6.76E-11 /g | 114.3 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Iquiqueite | 2,424 /kg | 6.55E-11 /g | 114.9 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Norrishite | 2,572 /kg | 6.95E-11 /g | 119.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Middendorfite | 2,557 /kg | 6.91E-11 /g | 120.0 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Biphosphammite | 2,460 /kg | 6.65E-11 /g | 120.7 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Denisovite | 2,566 /kg | 6.94E-11 /g | 121.5 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Florkeite | 2,557 /kg | 6.91E-11 /g | 122.7 | 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 |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Alum-(K) | 2,497 /kg | 6.75E-11 /g | 124.3 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Frankamenite | 2,645 /kg | 7.15E-11 /g | 125.1 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Tetraferriphlogopite | 2,654 /kg | 7.17E-11 /g | 125.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Zinnwaldite | 2,709 /kg | 7.32E-11 /g | 126.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Cetineite | 2,933 /kg | 7.93E-11 /g | 126.3 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Manganokukisvumite | 2,740 /kg | 7.41E-11 /g | 128.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Taranakite | 2,645 /kg | 7.15E-11 /g | 128.3 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Kalinite | 2,594 /kg | 7.01E-11 /g | 128.8 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Biotite | 2,730 /kg | 7.38E-11 /g | 128.9 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Gorgeyite | 2,712 /kg | 7.33E-11 /g | 129.0 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Fluorcanasite | 2,736 /kg | 7.39E-11 /g | 129.3 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Djerfisherite | 2,842 /kg | 7.68E-11 /g | 129.4 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Celadonite | 2,760 /kg | 7.46E-11 /g | 130.1 | 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. |
Georgechaoite | 2,836 /kg | 7.66E-11 /g | 131.9 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Shirokshinite | 2,812 /kg | 7.6E-11 /g | 132.3 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Chromceladonite | 2,809 /kg | 7.59E-11 /g | 132.5 | 0.000 /g |
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