jacobsite


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jacobsite

[′jā·kəb‚zīt]
(mineralogy)
MnFe2O4 A black magnetic mineral composed of an oxide of manganese and iron; a member of the magnetite series.
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References in periodicals archive ?
Dongri Buzurg Pyrolusite, Psilomelane, Jacobsite, Hematite, Goethite, Feldspar and Quartz 5.