Melliniite
Melliniite is an IMA-recognized mineral species in the native element class, with the chemical formula (Ni,Fe)₄P.
It crystallizes in the cubic crystal system (space group P2_13).
Key properties: Mohs hardness 8–8.5; specific gravity 7.88; Gray streak; Metallic luster.
IMA symbol Mli, IMA status: approved, named in 2005.
Found in an acapulcoite meteorite.
It is found associated with Kamacite, nickelphosphide.
The mineral was named to honor Marcello Mellini, Professor of Mineralogy, University of Siena, Italy, for his contributions to the study of meteorites.
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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