webmineral.com/data/Natroboltwoodite.shtmlNatroboltwoodite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 6.14 ± 1.53 grams of pure Natroboltwoodite .
www.webmineral.com/data/Boltwoodite.shtmlBoltwoodite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 7.31 ± 1.83 grams of pure Boltwoodite . Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 730.71 ±182.68 grams of pure Boltwoodite .
encyclopedia2.thefreedictionary.com/boltwooditesodium betpakdalite, sodium boltwoodite, sodium pharmacosiderite (also written as sodium-pharmacosiderite) and sodium uranospinite (also written as sodium-uranospinite) = respectively natrobetpakdalite, natroboltwoodite, natropharmacosiderite and natrouranospinite: to bring these names in accordance with other names with natro- as prefix
sites.google.com/site/.../selection-of-methods-for-separating-of-silicatesPh.D. Igor Bobin, Ph.D. Natalia Petrovskaya. MINING SERVICES. Concentration of minerals, mineral separation, enrichment of minerals, flotation, magnetic separation ...
en.wikipedia.org/wiki/List_of_minerals_N_(complete)This list includes those recognised minerals beginning with the letter N.The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date.
www.mdpi.com/2075-163X/8/12/551/pdfMinerals 2018, 8, 551 3 of 15 2.2. Complexity Calculations and a Bond-Valence Approach The structural complexity, the Shannon information content per atom (IG) and per unit cell (I G,total), were calculated using an approach proposed in [47,48], as follows: the complexity of a crystal structure can be characterized quantitatively by the amount of Shannon information, which
www.fluomin.org/uk/fiche.php(*)Data are not exhaustive and are limited to the most important localities for fluorescence Bibliographical Reference for luminescence: Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,