millerite

IPA: mˈɪɫɝˈit

(geology) A nickel sulfide mineral, NiS, that occurs as hairlike tufts.
(Christianity) One who followed the calculations of William Miller or his followers that the world would end on October 22, 1844; when it did not, the Great Disappointment occurred. The subsequent denominations his movement spawned include the Adventists, Jehovah's Witnesses and the (Campbellite) Restorationists.
A resident of any community known as Miller; often specifically a resident of Miller Beach, in Gary, Indiana

Examples of "millerite" in Sentences

Other nickel-bearing minerals, including millerite, heazlwoodite and pentlandite were also noted in composite grains.
The St. Lawrence and Jefferson county hematites were represented by large specimens of ore and by a series of associated rocks and minerals, including some beautiful specimens of millerite, chalcedite, etc.
(particularly pentlandite, but also millerite, niccolite, and others), which are found at Sudbury intergrown with the iron and copper sulphides, pyrrhotite and chalcopyrite; and the hydrated nickel-magnesium silicates (garnierite and genthite), which are products of weathering.