Basis data mineral & terapi kristalMineralCalvertiteDavid HospitalยทCC BY-SA 4.0ยทWikimediaCalvertiteCu5Ge0.5S4Cubico third eye IMA approvedKomposisiComposizione (% in peso)SCuSSulfur66.9%CuCopper33.1%GeGermanium0.0%EtimologiDinamai dari Lauriston D. Calvert.Chakra sekundercrown