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Article: CUBANITE.
- Article from:
- Rocks & Minerals
- Article date:
- November 1, 2000
- Author:
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Chibougamau, Quebec, Canada
Only a few relatively common, widely distributed ore minerals occur rarely in well-crystallized specimens. Cubanite, a mineral known primarily to those scientists dealing with ore microscopy, is one of these. It is an important ore mineral in the famous Cu-Ni deposits of Sudbury, Ontario, and has probably been seen by most of us unknowingly as we examined sulfide-rich specimens dominated by chalcopyrite, a mineral that it closely resembles and with which it tends to occur as tiny inclusions. Even in deposits characterized by cubanite that exceeds 20 percent in local abundance, it still does not typically occur in well-formed crystals. ...