Black
The main compound found in haematite is iron(III) oxide, which is chemically represented as Fe₂O₃. Haematite is one of the primary ores of iron and is characterized by its reddish-brown color. It plays a significant role in the production of iron and steel.
Iron is extracted from haematite.
That is the original color of the rock - red sandstone. The sandstone has haematite cement in it which is naturally red
Haematite is a form of iron(III) oxide, Fe2O3, which is found in the Earth's crust.
Iron
Iron
Hematite is not made from calcium carbonate.
Hematite is a mineral made of iron and oxygen. It can be gray, red, or brown.
Hematite is black.
Chemical formula of hematite: Fe2O3
Iron is bonded to six oxygen ligands.
The main raw material for iron-making is iron ore.There are two iron ore minerals:haematite and magnetite.Actually haematite is an ore where iron is extracted.One can say that haematite is a source if iron.