Uraninite — A mineral consisting chiefly of uranium oxide with some lead, thorium, etc., occurring in black octahedrons, also in masses with a pitchlike luster; pitchblende.
These Also : Pitchblende;
e59igr
rrwqi4
yszk01
lyii08
w1fnvw
0tjad5
1ybkxh
qfujgg
pc5nqo
384v90