MILLERITE NiS (trigonal) . Halls Gap, Lincoln County, Kentucky . Crystals usually slender and acicular,or in radiating groups, metallic lustre. 像金針和髮絲一樣的細緻，像黃鐵礦般的金屬光澤，又像黃金般的價位．一女主人 因不小心一弄斷了他先生心愛的收藏，而夫妻交惡．這是罕見的針硫鎳礦所惹的 禍！硬度 5.3 - 5.5 ，與Boulangerite and jamesonite 合稱為毛礦．美國 Indiana和Kansas 州的水晶晶洞偶見有 MILLERITE 存在，因其似黃鐵礦的光澤，又稱為"Capillary Pyrite"．為少數存在於 iron-nickel meteorites 中的礦物．
礦名來源：Named after the English mineralogist, W. H. Miller (1801-1880)

著名產地∼south central Indiana, Keokuk, Iowa, Gap Mine, Pennsylvania and Sterling Mine, New York, USA; Freiberg, Germany; Glamorgan, Wales, England and Sherbrooke and Planet Mines, Quebec.

經典名礦欣賞．２ ．３．４
NO.69