광물 데이터베이스와 크리스탈 테라피광물MarkwelchiteBindi, Luca, Cristian Biagioni, Hans-Jürgen Förster, and Holger Georg Adelmann·CC BY 4.0·WikimediaMarkwelchiteTlPbSbS3Monoclino third eye IMA approved구성Composizione (% in peso)PbTlSbSPbLead32.9%TlThallium32.5%SbAntimony19.3%SSulfur15.3%보조 차크라crown