单词 | hatchettolite |
释义 | hatchettoliten. Mineralogy (now rare). A variety of pyrochlore containing uranium, of reddish or yellow-brown colour and resinous lustre. Also called uranpyrochlore.Formula: (U, Ca, Ce)2(Nb, Ta)2O6(OH, F). ΚΠ 1877 Amer. Jrnl. Sc. 3rd Ser. 13 369 Hatchettolite is doubtless a neutral columbate of uranium oxide and lime. 1909 N. H. Winchell & A. N. Winchell Elements Optical Mineral. ii. 322 Hatchettolite is a hydrous tantalo-niobate of uranium, calcium, etc. 1958 C. M. Tschanz et al. Copper & Uranium Deposits Coyote District 385 The uranium-bearing minerals include uraninite, gummite, uranophane, samarskite, betafite, fergusonite, euxenite(?), and hatchettolite. 2013 Petrology 21 317/1 Typical accessory minerals are zircon, ilmenite (picroilmenite), sulfides, and less common anatase, columbite, pyrochlore, hatchettolite, and monazite. This entry has been updated (OED Third Edition, March 2017; most recently modified version published online March 2022). < |
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