礦物資料庫與水晶療法礦物BelkoviteDavid Hospital·CC BY-SA 4.0·WikimediaBelkoviteBa3(Nb,Ti)6(Si2O7)2O12Esagonale third eye IMA approved成分Composizione (% in peso)NbOBaSiNbNiobium37.2%OOxygen27.8%BaBarium27.5%SiSilicon7.5%詞源命名來源 Igor Vladimirovich Bel'kov.次要脈輪crown