礦物資料庫與水晶療法礦物Polyakovite-(Ce)Polyakovite-(Ce)(Ce,Ca)4(Mg,Fe2⁺)(Cr3⁺,Fe3⁺)2(Ti,Nb)2(Si2O7)2O8Monoclino root IMA approved成分Composizione (% in peso)CeOSiCrTiCeCerium44.9%OOxygen28.2%SiSilicon9.0%CrChromium8.3%TiTitanium7.7%MgMagnesium1.9%詞源命名來源 Vladislav O. Polyakoy.次要脈輪heart