Lindqvistite

lindqvistite

hematite

jacobsite

plumboferrite

Images

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

Metamorphic environments

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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