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Formula: Pb2Mn2+Fe3+16O27
Multiple oxide, lead and manganese
bearing mineral
Specific gravity: 5.76
Hardness: 6
Streak: Brownish black
Colour: Black
Solubility: Slowly soluble in cold hydrochloric acid, insoluble in nitric or sulphuric acid
Common impurities: Zn,Al,Ti,Si
Environment
Lindqvistite occurs in a regionally metamorphosed lead-bearing
iron-manganese
skarn deposit, hosted in dolomitic
marble (AM78.1304),
associated with hematite, jacobsite,
plumboferrite, andradite
(Dana),
phlogopite, calcite,
hedyphane, baryte,
copper, cuprite,
malachite and azurite
(HOM).
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