pentlandite
IPA: pˈɛntɫʌndaɪt
noun
- (mineralogy) A mixed iron and nickel sulfide mineral, with the chemical formula (Fe,Ni)₉S₈; the major ore of nickel.
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Examples of "pentlandite" in Sentences
- (pyrrhotite-pentlandite-chalcopyrite) that had graded up to 0. 67% Ni and 0. 74% Cu.
- Other nickel-bearing minerals, including millerite, heazlwoodite and pentlandite were also noted in composite grains.
- The hole yielded disseminated and net-textured pyrrhotite, pentlandite and chalcopyrite intermittently within pyroxenite, over a core length of 28.8 metres.
- Exploration at the Triangle Lake showing in the 1950s and 1960s exposed zones of massive to semi-massive magnetite and pyrite-pyrrhotite-chalcopyrite-pentlandite.
- The unit contains patchy recrystallised chalcopyrite-pyrite - (pyrrhotite) - pentlandite, occasionally as stringers, with up to 5% combined sulphides over several centimetres.
- Mineralization at Mathilda consists of disseminated and massive vein pyrrhotite, chalcopyrite, pyrite, pentlandite and trace molybdenite in sulphides hosted in a pyroxenite dyke.
- Other conductors are located upstream of a pyroxenite-gabbro boulders weakly mineralized (pyrrhotite-pentlandite-chalcopyrite) that returned values of up to 0. 39% Ni and 0. 29% Cu.
- (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.
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