礦物資料庫與水晶療法礦物TweddilliteDavid Hospital·CC BY-SA 4.0·WikimediaTweddilliteCaSr(Mn3⁺2Al)[Si2O7][SiO4]O(OH)Monoclino third eye IMA renamed詞源命名來源 Samuel Milbourn Tweddill.次要脈輪crown