Lindqvistite
Lindqvistite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Pb₂Mn²⁺Fe³⁺₁₆O₂₇.
It crystallizes in the hexagonal crystal system (space group P6_3/mmc).
Key properties: Mohs hardness 6; specific gravity 5.76; Brownish black streak; Submetallic luster.
IMA symbol Lqv, IMA status: approved, named in 1991.
Found in a regionally metamorphosed lead-bearing Fe–Mn skarn deposit.
It is found associated with Jacobsite, plumboferrite, hematite, phlogopite, andradite, calcite, hedyphane, barite, copper, cuprite, malachite, azurite.
The name refers to Dr. Bengt Lindqvist (1927–), formerly Senior Curator of the Swedish Museum of Natural History, Stockholm, Sweden.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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