from The Century Dictionary.
- noun In mineralogy, same as
ceylonite. See spinel.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A black variety of spinel.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A
blackvariety of spinel.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a dark-colored spinel containing iron
from Wiktionary, Creative Commons Attribution/Share-Alike License
It is simply titaniferous iron, iserine, pleonaste, ilmenite [Footnote: Or peroxide of iron, with 8 to 23 per cent, of blue oxide of titanium.] and degraded itabirite, the iron and quartz formation so called in the Brazil; and it is the same mineral which