pentlanditen.
/ˈpɛntləndʌɪt/, U.S. /ˈpɛn(t)lənˌdaɪt/ Mineralogy.
A bronze-yellow sulphide of iron and nickel, (Fe,Ni)9S8, which crystallizes in the cubic system and is the principal ore of nickel.
ΘΚΠ
the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > niccolite group > others
pentlandite1858
klockmannite1939
shandite1950
smythite1956
oregonite1960
1858 R. P. Greg & W. G. Lettsom Man. Mineral. 473 Pentlandite, under this name the following analysis by Rivot, of eisen-nickelkies from Craignure, occurs in Dufrénoy's ‘Mineralogie’.
1893 Amer. Jrnl. Sci. 145 493 Up to the present time the occurrence of pentlandite at the Sudbury nickel and copper mines has never..been definitely proved.
1929 Amer. Mineralogist 14 235 Pentlandite is supposed to be one of the components of the ‘unmixing’ of a solid solution of (Fe, Ni)S?
1965 G. J. Williams Econ. Geol. N.Z. x. 150/1 Since pentlandite, bravoite and nickeliferous pyrrhotite exist in these [serpentinites] it is possible that richer accumulations of accessories may yet be discovered.
1995 Canad. Geographic Sept. 51 (caption) The wealth in this core sample..is nickel in the form of pentlandite (the silver-coloured morsels).
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
<
n.1858