What is another word for cassite?
Pronunciation: [kˈasa͡ɪt] (IPA) 
Cassiterite, also known as cassite, is a tin oxide mineral with the chemical formula SnO2. It is a valuable ore mineral and is a primary source of tin. Other synonyms for cassite include tin stone, wood tin, and stannic oxide. It has a brownish-red to black color and a Mohs hardness of 6-7. Cassite is commonly found in granite, greisen, and pegmatite veins and is often associated with wolframite, arsenopyrite, and fluorite. It has been used as a gemstone and in the production of tin metal and various alloys. Due to its economic importance, cassite has been extensively mined in many parts of the world including Bolivia, China, and Indonesia.
