礦物資料庫與水晶療法礦物Perchukite-(Y)Perchukite-(Y)PbYAsSi2O8Monoclino crown IMA approved成分Composizione (% in peso)PbOYAsSiPbLead37.3%OOxygen23.1%YYttrium16.0%AsArsenic13.5%SiSilicon10.1%次要脈輪third eye