Black Chromite
Black chromite is the most common and natural form of chromite. It is a dark black to brownish-black mineral with a metallic to sub-metallic luster. The black color is mainly due to the high concentration of iron and chromium in its composition. When freshly broken, it may show a shiny metallic surface, but in weathered form it appears dull.
The chemical formula of chromite is:
FeCr2O4
Black chromite is an important ore of chromium. It is mainly found in ultramafic rocks such as peridotite and serpentinite. These rocks form deep inside the Earth under high temperature and pressure conditions. Large deposits are found in countries like South Africa, Kazakhstan, India, Turkey, and Pakistan (especially in Balochistan).
Black chromite is the most common and natural form of chromite. It is a dark black to brownish-black mineral with a metallic to sub-metallic luster. The black color is mainly due to the high concentration of iron and chromium in its composition. When freshly broken, it may show a shiny metallic surface, but in weathered form it appears dull.
The chemical formula of chromite is:
FeCr2O4
Black chromite is an important ore of chromium. It is mainly found in ultramafic rocks such as peridotite and serpentinite. These rocks form deep inside the Earth under high temperature and pressure conditions. Large deposits are found in countries like South Africa, Kazakhstan, India, Turkey, and Pakistan (especially in Balochistan).