Mendozavilite-KCa
Mendozavilite-KCa is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula [K₂(H₂O)₁₅Ca(H₂O)₆][Mo₈P₂Fe³⁺₃O₃₄(OH)₃].
It crystallizes in the monoclinic crystal system (space group C2/m). It is a member of the Betpakdalite structural group.
Key properties: Mohs hardness 2.5; specific gravity 2.79; Very pale greenish yellow streak; Vitreous to subadamantine luster; optically biaxial.
IMA symbol Mdz-KCa, IMA status: approved, named in 2011.
Found in the oxidized zone of a porphyry copper deposit.
It is found associated with Quartz, jarosite.
The mineral was named to honor Heriberto Mendoza Avila (b. 1924), Phelps Dodge exploration geologist, who found the first specimen.
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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