T1E1T1R1A1H4E1D2R1I1T1E1S1
17 points
TETRAHEDRITES is validvalid
TETRAHEDRITE, [n]
TETRAHEDRITE, native sulphide of antimony, iron, and copper, forming a series with tennantite and typically occurring as tetrahedral crystals [n]
TETRAHEDRITE, [n]
TETRAHEDRITE, native sulphide of antimony, iron, and copper, forming a series with tennantite and typically occurring as tetrahedral crystals [n]