礦物資料庫與水晶療法礦物Tundrite-(Nd)Tundrite-(Nd)Na2(Nd,Ce)2Ti(SiO4)(CO3)2O2 third eye IMA renamed成分Composizione (% in peso)NdOTiNaNdNeodymium46.1%OOxygen30.6%TiTitanium7.6%NaSodium7.3%SiSilicon4.5%CCarbon3.8%詞源命名來源 neodymium.次要脈輪crown