PYRRHOTITE Fe1-xS (monoclinic) . Dalnegorsk,Russia . The mineral forms as tabular or platy crystals,bronze-yellow color,tarnished to brown with iridescence. 磁黃鐵礦成份與黃鐵礦類似但帶強烈磁性．六角板面狀（含硫成份較低時為 hexagonal），銅黃色，硬度 3.5-4.5 常板面相互交叉成玫瑰狀，或層層相疊成啤酒桶狀，造形非常可愛！常與 pentlandite, quartz, ankerite, pyrite and other sulfides 伴生．

著名產地：Sudbury, Ontario; Ducktown, Tennessee; Chihuahua, Mexico; Russia; Germany and Brazil.

經典名礦欣賞 ．２．３．４
NO.52