BROCHANTITE Cu4SO4(OH)6 (monoclinic) . Acicular, aggregates,and drusy crusts . Socorro County, New Mexico . 羥膽礬祖母綠色至墨綠色針狀聚晶，如絨毛般被覆整個岩面，硬度３， 產於銅礦的氧化地帶．與孔雀石區別在於遇鹽酸不起泡．常見與 limonite, cuprite, chrysocolla, cyanotrichite, malachite, langite, posnjakite and azurite 伴生．
礦名來源：Named after the French geologist and mineralogist, A. J. M. Brochant de Villiers (1772-1840).

著名產地∼Chile; Ural Mountains, Russia; England; Italy; Romania; Zaire and several locations in Arizona, Nevada, California, New Mexico and Utah, USA.

經典名礦欣賞 ．２．３．４
NO.148