Magnetoplumbite

magnetoplumbite

melanotekite

kentrolite

jacobsite

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Formula: PbFe3+12O19
Multiple oxide
Crystal System: Hexagonal
Specific gravity: 5.517 measured, 5.57 calculated
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 iron-manganese orebodies (Webmin), associated with melanotekite-kentrolite, hematite, jacobsite, hedyphane, braunite, pyrophanite, manganese-bearing phlogopite, calcite, andradite and celsian (HOM).

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