Metallic beauty built from manganese.
#Pyrolusite is a manganese oxide #mineral and one of the most important natural sources of #manganese. #Moroccan #specimens can display striking metallic-grey to black #crystals, showing how a simple mineral chemistry can produce remarkably intricate formations.

🔎 #MineralMonday: PYROLUSITE

#Pyrolusite is an important source of #manganese & is used in making steel, porcelain, & more.

👉 Explore the #MineralogicalSocietyOfAmerica interactive to learn more: min4kids.org/minerals-your-house

Images: Rob Lavinsky, Wikimedia Commons; James St John, Flikr