This mineral's botyroidal form, known as kidney ore, is named for the shape of the masses it forms. The oolitic formation can be seen in sedimentary rocks and has a reddish brown color and earthy luster. The tiger type contains alternating bands of the namesake mineral as well as red jasper. A trigonal oxide, its name comes from the blood-red color
This mineral's botyroidal form, known as kidney ore, is named for the shape of the masses it forms. The oolitic formation can be seen in sedimentary rocks and has a reddish brown color and earthy luster. The tiger type contains alternating bands of the namesake mineral as well as red jasper. A trigonal oxide, its name comes from the blood-red color of its valuable constituent. FTP, identify this mineral with formula Fe2O3, the most important ore of iron.
This mineral's botyroidal form, known as kidney ore, is named for the shape of the masses it forms.
hematite