Discovered in 1817, this mineral was named from the Greek word for “grain,” in allusion to it occurring in isolated grains. It is commonly found in contact metamorphic rocks and is characterized by its light yellow to red color.
Minerals
Discovered in 1817, this mineral was named from the Greek word for “grain,” in allusion to it occurring in isolated grains. It is commonly found in contact metamorphic rocks and is characterized by its light yellow to red color.
Mineral Photos courtesy of R.Weller/Cochise College