Latrappite
Latrappite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Ca₂NbFe³⁺O₆.
It crystallizes in the orthorhombic crystal system (space group Pbnm). It is a member of the Perovskite structural group.
Key properties: Mohs hardness 5.5; specific gravity 4.4–4.42; [Adamantine.] luster.
IMA symbol Ltp, IMA status: approved, named in 1964.
Found in sövite zones of carbonatite complexes.
It is found associated with Calcite, apatite, diopside, biotite, pyrochlore, magnetite, niocalite, dolomite, nepheline, monticellite (Oka complex, Canada); columbite (Badloch quarry.
The name refers to the small community, La Trappe, Quebec, Canada, near the mine from which the first crystals were recovered.
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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