from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A rare silver-white to gray mineral, cobalt sulfarsenide, CoAsS, that is a cobalt ore and is used in ceramics.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A rare, gray mineral, a mixed sulfide and arsenide of cobalt and iron with the chemical formula CoAsS; it is an ore of cobalt.
from The Century Dictionary and Cyclopedia
- n. A sulpharsenide of cobalt. It is a mineral of a silver-white color, with a tinge of red, occurring in isometric crystals, often cubes or pyritohedrons. Also called cobalt-glance.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a rare silvery-white mineral; important ore of cobalt
Closeups of cobaltite, top, a rare ore of cobalt, and molybdenite, bottom, the main ore of molybdenum.
The principal cobalt minerals are smaltite (cobalt arsenide), cobaltite
What should be the percentage composition of pure cobaltite, its formula being CoAsS?
Its chief ores are smaltite and cobaltite, which are arsenides of cobalt, with more or less iron, nickel, and copper.
In a recent project Consolidated Professor Mines Ltd (CPML) contracted XPS to simultaneously define viable pyrometallurgical treatment options to remove arsenic from its cobaltite concentrate, maximise recovery of cobalt and silver and develop environmentally sound solutions to safely dispose the arsenic.
Unfortunately I didn't have enough cobaltite to make all the blue gears on the upper deck so I used orthoclase instead.
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