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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 |
 Mild - Very low level of Radioactivity, no special precautions needed. |
Syngenite | 7,214 /kg | 1.95E-10 /g | 343.0 | 0.000 /g |
 Weak - Low level of Radioactivity, may show on average radiation equipment.*Missing Thorium content - estimated from Rare Earth Element concentration. |
Tadzhikite-(Ce) | 471,072 /kg | 1.27E-8 /g | 21,374.1 | 0.007 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Tadzhikite-(Y) | 158,368 /kg | 4.28E-9 /g | 7,260.9 | 0.002 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Tainiolite | 2,924 /kg | 7.9E-11 /g | 137.5 | 0.000 /g |
 Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Tamaite | 206 /kg | 5.57E-12 /g | 9.6 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Tantalaeschynite-(Y) | 188,384 /kg | 5.09E-9 /g | 7,719.7 | 0.003 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Tanteuxenite-(Y) | 65,184 /kg | 1.76E-9 /g | 2,692.0 | 0.001 /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. |
Tarapacaite | 12,199 /kg | 3.3E-10 /g | 562.3 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Tarkianite | 558,246 /kg | 1.51E-8 /g | 23,189.9 | 0.008 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Taseqite | 1,850 /kg | 5.0E-11 /g | 84.6 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Tassieite | 4,032 /kg | 1.09E-10 /g | 188.5 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Telyushenkoite | 561 /kg | 1.52E-11 /g | 26.1 | 0.000 /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 |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Terranovaite | 42 /kg | 1.14E-12 /g | 2.0 | 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. |
Tetraferriphlogopite | 2,654 /kg | 7.17E-11 /g | 125.2 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Thermessaite | 9,238 /kg | 2.5E-10 /g | 428.8 | 0.000 /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 |
 Strong - Noticeable Radioactivity, limit exposure and handling. |
Thorbastnasite | 20,415,360 /kg | 5.52E-7 /g | 868,260.2 | 0.285 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Thorianite | 39,370,240 /kg | 1.06E-6 /g | 1,505,105.9 | 0.495 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Thorite | 32,067,840 /kg | 8.67E-7 /g | 1,281,208.9 | 0.421 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Thornasite | 9,139,200 /kg | 2.47E-7 /g | 417,843.8 | 0.137 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Thorogummite | 32,309,760 /kg | 8.73E-7 /g | 1,290,866.3 | 0.424 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Thorosteenstrupine | 13,121,920 /kg | 3.55E-7 /g | 591,367.6 | 0.194 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Thorutite | 54,239,920 /kg | 1.47E-6 /g | 2,270,225.2 | 0.746 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Threadgoldite | 92,811,500 /kg | 2.51E-6 /g | 3,965,014.8 | 1.304 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Tiettaite | 4,012 /kg | 1.08E-10 /g | 191.6 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Tinaksite | 3,151 /kg | 8.52E-11 /g | 148.4 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Tinsleyite | 3,524 /kg | 9.52E-11 /g | 167.7 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Tiptopite | 2,854 /kg | 7.71E-11 /g | 133.5 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Titanite | 81,829 /kg | 2.21E-9 /g | 3,803.8 | 0.001 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Tobelite | 627 /kg | 1.69E-11 /g | 29.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Todorokite | 39 /kg | 1.05E-12 /g | 1.8 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Tokkoite | 3,121 /kg | 8.44E-11 /g | 148.0 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Tombarthite-(Y) | 434,771 /kg | 1.18E-8 /g | 19,927.4 | 0.007 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Torbernite | 85,920,000 /kg | 2.32E-6 /g | 3,703,408.1 | 1.218 /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. |
Tornebohmite-(La) | 1,230,880 /kg | 3.33E-8 /g | 52,850.3 | 0.017 /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. |
Trattnerite | 79 /kg | 2.14E-12 /g | 3.7 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Triangulite | 99,309,200 /kg | 2.68E-6 /g | 4,154,255.5 | 1.366 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Trikalsilite | 5,763 /kg | 1.56E-10 /g | 270.6 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Trilithionite | 2,966 /kg | 8.02E-11 /g | 138.6 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Trimounsite-(Y) | 340,578 /kg | 9.2E-9 /g | 15,000.6 | 0.005 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Tristramite | 55,006,700 /kg | 1.49E-6 /g | 2,467,244.9 | 0.811 /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. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Tritomite-(Y) | 448,448 /kg | 1.21E-8 /g | 19,838.7 | 0.007 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Trogerite | 88,390,200 /kg | 2.39E-6 /g | 3,736,911.8 | 1.229 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Tschortnerite | 288 /kg | 7.78E-12 /g | 13.7 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Tsepinite-Ca | 551 /kg | 1.49E-11 /g | 25.9 | 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. |
Tsepinite-Na | 394 /kg | 1.06E-11 /g | 18.4 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Tsepinite-Sr | 330 /kg | 8.92E-12 /g | 15.3 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Tuhualite | 433 /kg | 1.17E-11 /g | 20.3 | 0.000 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Tuliokite | 10,653,440 /kg | 2.88E-7 /g | 469,911.3 | 0.154 /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. |
Tundrite-(Nd) | 1,032,416 /kg | 2.79E-8 /g | 44,895.0 | 0.015 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Turkestanite | 9,453,606 /kg | 2.56E-7 /g | 430,666.3 | 0.142 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Tuscanite | 967 /kg | 2.61E-11 /g | 45.9 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Tyuyamunite | 92,811,500 /kg | 2.51E-6 /g | 3,907,237.4 | 1.285 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Uedaite-(Ce) | 176,346 /kg | 4.77E-9 /g | 7,947.1 | 0.003 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Ulrichite | 67,017,600 /kg | 1.81E-6 /g | 2,920,461.6 | 0.960 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Umbite | 5,699 /kg | 1.54E-10 /g | 263.7 | 0.000 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Umbozerite | 8,234,240 /kg | 2.23E-7 /g | 360,840.3 | 0.119 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Umohoite | 95,102,700 /kg | 2.57E-6 /g | 3,880,633.0 | 1.276 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Ungemachite | 3,048 /kg | 8.24E-11 /g | 144.6 | 0.000 /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. |
Uramarsite | 92,006,000 /kg | 2.49E-6 /g | 3,902,248.1 | 1.283 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uramphite | 97,465,500 /kg | 2.63E-6 /g | 4,160,921.2 | 1.368 /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. |
Uraninite | 157,770,600 /kg | 4.26E-6 /g | 6,009,108.0 | 1.976 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uranmicrolite | 48,974,400 /kg | 1.32E-6 /g | 1,971,391.3 | 0.648 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uranocircite | 78,634,700 /kg | 2.13E-6 /g | 3,358,021.5 | 1.104 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uranophane | 72,656,100 /kg | 1.96E-6 /g | 3,208,747.6 | 1.055 /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. |
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. |
Uranopolycrase | 63,986,340 /kg | 1.73E-6 /g | 2,646,240.5 | 0.870 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uranosilite | 60,287,200 /kg | 1.63E-6 /g | 2,648,672.5 | 0.871 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uranospathite | 75,376,900 /kg | 2.04E-6 /g | 3,365,003.5 | 1.106 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uranosphaerite | 80,693,200 /kg | 2.18E-6 /g | 3,143,455.8 | 1.033 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uranospinite | 82,071,500 /kg | 2.22E-6 /g | 3,507,878.1 | 1.153 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uranotungstite | 72,978,300 /kg | 1.97E-6 /g | 3,085,405.5 | 1.014 /g |
| Very Radioactive, limit exposure, handling and use secure storage. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Uranpyrochlore | 31,950,004 /kg | 8.64E-7 /g | 1,325,150.2 | 0.436 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Ursilite | 75,359,000 /kg | 2.04E-6 /g | 3,290,611.3 | 1.082 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Uvanite | 61,397,000 /kg | 1.66E-6 /g | 2,695,497.3 | 0.886 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Vanadiumdravite | 106 /kg | 2.86E-12 /g | 4.9 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Vanadoandrosite-(Ce) | 358,376 /kg | 9.69E-9 /g | 16,187.1 | 0.005 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Vandenbrandeite | 106,075,400 /kg | 2.87E-6 /g | 4,350,775.3 | 1.430 /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. |
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. |
Vanuralite | 84,183,700 /kg | 2.28E-6 /g | 3,627,020.1 | 1.192 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Vanuranylite | 95,210,230 /kg | 2.57E-6 /g | 3,964,234.0 | 1.303 /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 |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Vicanite-(Ce) | 4,067,840 /kg | 1.1E-7 /g | 176,348.5 | 0.058 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Vigezzite | 168,448 /kg | 4.55E-9 /g | 7,208.8 | 0.002 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Vinogradovite | 364 /kg | 9.84E-12 /g | 16.9 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Vishnevite | 1,136 /kg | 3.07E-11 /g | 53.5 | 0.000 /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 |
| Very Radioactive, limit exposure, handling and use secure storage. |
Vochtenite | 94,350,900 /kg | 2.55E-6 /g | 3,992,012.1 | 1.312 /g |
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