Hematite botryoidal Y 3.5 x 3

Hematite botryoidal Y 3.5 x 3 inches. Hematite is iron oxide. Botryoidal is its's crystal pattern. Botryoidal means like a bunch of grapes. Its chemical formula is Fe₂O₃. All forms of hematite have a red streak. It is 5.5 to 6.5 on the Mohs hardness scale. It has a metallic luster and is sometimes used to make jewelry. Hematite is mined as an iron ore. This hematite is from Morocco.