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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:
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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