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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. |
Voglite | 55,919,600 /kg | 1.51E-6 /g | 2,494,854.6 | 0.820 /g |
 Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Volkovskite | 1,912 /kg | 5.17E-11 /g | 92.1 | 0.000 /g |
 Mild - Very low level of Radioactivity, no special precautions needed. |
Voloshinite | 171,963 /kg | 4.65E-9 /g | 7,878.2 | 0.003 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Voltaite | 1,167 /kg | 3.15E-11 /g | 55.6 | 0.000 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Voronkovite | 56,966 /kg | 1.54E-9 /g | 2,627.5 | 0.001 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Vuoriyarvite-K | 1,809 /kg | 4.89E-11 /g | 84.0 | 0.000 /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 |
 Weak - Low level of Radioactivity, may show on average radiation equipment.*Missing Thorium content - estimated from Rare Earth Element concentration. |
Vyuntspakhkite-(Y) | 737,078 /kg | 1.99E-8 /g | 32,488.8 | 0.011 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Wadeite | 5,957 /kg | 1.61E-10 /g | 273.8 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Wakefieldite-(Ce) | 667,968 /kg | 1.81E-8 /g | 27,665.3 | 0.009 /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. |
Wakefieldite-(Nd) | 1,246,560 /kg | 3.37E-8 /g | 52,671.7 | 0.017 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Walkerite | 18 /kg | 4.86E-13 /g | 0.9 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Walpurgite | 28,711,600 /kg | 7.76E-7 /g | 1,145,986.9 | 0.377 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Watatsumiite | 1,230 /kg | 3.32E-11 /g | 57.0 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Weeksite | 86,959,464 /kg | 2.35E-6 /g | 3,656,554.5 | 1.202 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Widenmannite | 49,278,700 /kg | 1.33E-6 /g | 1,964,693.4 | 0.646 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Wilhelmramsayite | 94 /kg | 2.54E-12 /g | 4.3 | 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 |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Winchite | 142 /kg | 3.84E-12 /g | 6.7 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Wolsendorfite | 107,364,200 /kg | 2.9E-6 /g | 4,224,274.6 | 1.389 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Wonesite | 291 /kg | 7.86E-12 /g | 13.7 | 0.000 /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 |
| 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 |
| Very Radioactive, limit exposure, handling and use secure storage. |
Xiangjiangite | 88,891,400 /kg | 2.4E-6 /g | 3,842,583.3 | 1.263 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Yagiite | 445 /kg | 1.2E-11 /g | 21.0 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Yakhontovite | 27 /kg | 7.3E-13 /g | 1.3 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. |
Yakovenchukite-(Y) | 249,085 /kg | 6.73E-9 /g | 11,598.3 | 0.004 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Yavapaiite | 4,124 /kg | 1.11E-10 /g | 192.9 | 0.000 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Yftisite-(Y) | 244,384 /kg | 6.6E-9 /g | 10,653.5 | 0.004 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Yimengite | 1,273 /kg | 3.44E-11 /g | 57.8 | 0.000 /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 |
 Strong - Noticeable Radioactivity, limit exposure and handling. |
Yttrialite-(Y) | 12,445,440 /kg | 3.36E-7 /g | 532,150.4 | 0.175 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Yttrobetafite-(Y) | 12,112,000 /kg | 3.27E-7 /g | 518,951.2 | 0.171 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Yttrocerite | 331,296 /kg | 8.95E-9 /g | 14,488.6 | 0.005 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Yttrocolumbite-(Y) | 28,711,600 /kg | 7.76E-7 /g | 1,203,604.4 | 0.396 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Yttrocrasite-(Y) | 17,769,640 /kg | 4.8E-7 /g | 783,773.8 | 0.258 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Yttropyrochlore-(Y) | 18,687,600 /kg | 5.05E-7 /g | 796,508.7 | 0.262 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Yttrotantalite-(Y) | 13,478,700 /kg | 3.64E-7 /g | 557,174.0 | 0.183 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Yttrotungstite-(Ce) | 369,376 /kg | 9.98E-9 /g | 15,135.1 | 0.005 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Yttrotungstite-(Y) | 205,471 /kg | 5.55E-9 /g | 8,505.8 | 0.003 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Yuksporite | 1,860 /kg | 5.03E-11 /g | 86.5 | 0.000 /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 |
| Very Radioactive, limit exposure, handling and use secure storage. |
Zellerite | 81,892,500 /kg | 2.21E-6 /g | 3,566,899.5 | 1.173 /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. |
Zeravshanite | 9 /kg | 2.43E-13 /g | 0.4 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Zeunerite | 80,263,600 /kg | 2.17E-6 /g | 3,418,899.2 | 1.124 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Zhonghuacerite-(Ce) | 510,944 /kg | 1.38E-8 /g | 21,308.0 | 0.007 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Zimbabweite | 394 /kg | 1.06E-11 /g | 16.2 | 0.000 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Zincovoltaite | 1,139 /kg | 3.08E-11 /g | 54.0 | 0.000 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Zinc-zippeite | 102,352,200 /kg | 2.77E-6 /g | 4,300,087.4 | 1.414 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. |
Zinnwaldite | 2,709 /kg | 7.32E-11 /g | 126.2 | 0.000 /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 |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Zircon | 84,976 /kg | 2.3E-9 /g | 3,768.8 | 0.001 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Zirconolite | 172,480 /kg | 4.66E-9 /g | 7,663.2 | 0.003 /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 |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Zircophyllite | 1,412 /kg | 3.82E-11 /g | 64.6 | 0.000 /g |
| Strong - Noticeable Radioactivity, limit exposure and handling. |
Zirkelite | 2,714,880 /kg | 7.34E-8 /g | 119,071.7 | 0.039 /g |
| Mild - Very low level of Radioactivity, no special precautions needed. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Zirsilite-(Ce) | 213,248 /kg | 5.76E-9 /g | 9,778.8 | 0.003 /g |
| Very Radioactive, limit exposure, handling and use secure storage. |
Znucalite | 26,259,300 /kg | 7.1E-7 /g | 1,184,187.8 | 0.389 /g |
| Weak - Low level of Radioactivity, may show on average radiation equipment. *Missing Thorium content - estimated from Rare Earth Element concentration. |
Zugshunstite-(Ce) | 473,984 /kg | 1.28E-8 /g | 22,501.3 | 0.007 /g |
| Barely Detectable - Radioactivity detected only by very sensitive instruments. |
Zussmanite | 551 /kg | 1.49E-11 /g | 25.8 | 0.000 /g |
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