Chromite
Chrome Claim, Bird River Sill, Manitoba, Canada
The massive, black non-magnetic Chromite with a green unknown alteration is typical of the bulk of the Chromite in the Bird River Sill. The euhedral Chromite crystals are much rarer. The chemistry of Chromite from this locality (no. 3 Zone) has been completed by Bateman (Am Min v.30) and is: Cr203 43.50; Al203 17.23; Fe203 8.16; Fe0 20.86; Mg0 ...