1) Iron mineral 2) Sulfide mineral
Found on
https://www.crosswordclues.com/clue/cubanite
Cubanite is a yellow mineral of copper, iron, and sulfur, CuFe2S3. Cubanite was first described in 1843 for an occurrence in the Mayarí-Baracoa Belt, Oriente Province, Cuba. Cubanite occurs in high temperature hydrothermal deposits with pyrrhotite and pentlandite as intergrowths with chalcopyrite. It results from exsolution from chalcopyrite at t...
Found on
http://en.wikipedia.org/wiki/Cubanite
a copper and iron sulfide mineral (CuFe2S3) that characteristically occurs with chalcopyrite or pyrrhotite in deposits formed at high temperatures, ...
Found on
http://www.britannica.com/eb/a-z/c/166
(Copper Iron Sulfide) Cubanite (also known as `
chalmersite`) is a rare copper mineral that does not contribute much to the supply of copper. It would not even be considered an ore of copper except that it is often interbedded with other ores of copper and so it does contribute some copper when these other ores...
Found on
https://www.encyclo.co.uk/local/23719
No exact match found.
