褐かっ錫しゃく鉱こうMeanings1nounstannoiditegeologyA rare sulfide mineral composed of copper, iron, tin, and sulfur. Used in geology and mineralogy.褐かっ錫しゃく鉱こうは、銅どう・鉄てつ・錫すずの硫りゅう化か鉱こう物ぶつである。Stannoidite is a sulfide mineral of copper, iron, and tin.
