TETRAHEDRITE is validvalid

native sulphide of antimony, iron, and copper, forming a series with tennantite and typically occurring as tetrahedral crystals

175,984 of 196,601 in NWL2023·also valid in CSW24

native sulphide of antimony, iron, and copper, forming a series with tennantite and typically occurring as tetrahedral crystals

247,850 of 280,887 in CSW24·also valid in NWL2023

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