Zenzénite
Zenzénite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Pb₃Fe³⁺₄Mn⁴⁺₃O₁₅.
It crystallizes in the hexagonal crystal system (space group P6_3/mcm).
Key properties: Mohs hardness 5.7; specific gravity 6.83.
IMA symbol Zen, IMA status: approved, named in 1990.
Found in a carbonate-phyllosilicate skarn rock, in a metamorphosed Fe–Mn orebody.
It is found associated with Dolomite, hausmannite, jacobsite, calcite, barytocalcite, norsethite, manganoan chlorite, kinoshitalite, pinakiolite, macedonite.
The name refers to Dr. Nils Zenzén (1883–1959), 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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