Magnetoplumbite

oxide

jacobsite

Formula: PbFe3+12O19 multiple oxide
Specific gravity: 5.52
Hardness: 6
Streak: Dark brown
Colour: Grey-black
Solubility: Slowly soluble in hydrochloric acid with slight evolution of Cl2
Environments:

Metamorphic environments

Magnetoplumbite occurs in skarn associated with metamorphosed Fe-Mn orebodies, associated with hematite, jacobsite, hedyphane, braunite, manganoan phlogopite, calcite, andradite and celsian.

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