frankliniten.
/ˈfraŋklɪnʌɪt/ Mineralogy.
A compound of oxides of iron, manganese, and zinc, found in brilliant black crystals.
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the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > spinel group AB2 O4 > others
picotite1814
franklinite1820
hausmannite1831
hercynite1849
jacobsite1869
hetaerolite1877
trippkeite1881
sapphirine1883
water-spinel1883
manganomagnetite1890
chrome-spinel1892
magnesiochromite1892
magnochromite1892
picrochromite1920
trevorite1921
ulvöspinel1947
taaffeite1951
nickel spinel1961
1820 Amer. Jrnl. Sc. 2 323 The black zinciferous mineral, the Franklinite.
1863 J. D. Dana Man. Geol. 84 Franklinite, an iron-zinc ore.
This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2018).
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n.1820