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chromio-pargasite
Chromium-rich variety of Pargasite found only at the Akaishi Mine, Ehime Prefecture, Japan. Originally named Ehimeite, it has been renamed Chromio-pargasite in the 2012 by the IMA to create consistency in the naming of the Pargasite minerals. This mineral was approved by the IMA as a distinct mineral species with the following chemical formula: NaCa2(Mg,Cr)4Al(Si,Al)8O22(OH)2
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