webmineral.com/data/Metacalciouranoite.shtmlMetacalciouranoite 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) 6.15 ± 1.54 grams of pure Metacalciouranoite .
www.definitions.net/definition/metacalciouranoiteDefinition of metacalciouranoite in the Definitions.net dictionary. Meaning of metacalciouranoite. What does metacalciouranoite mean? Information and translations of metacalciouranoite in the most comprehensive dictionary definitions resource on the web.
handbookofmineralogy.org/pdfs/calciouranoite.pdfCalciouranoite (Ca,Ba,Pb)U2O7• 5H2O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: n.d. Point Group: n.d. Prismatic to acicular crystals, radial ﬁbrous in spherulites. Physical Properties: Cleavage: One direction, pinacoidal. Hardness = 4 D(meas.) = 4.62
en.wikipedia.org/wiki/List_of_minerals_approved_by_IMA_(M)This list includes those recognised minerals beginning with the letter M.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.