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Borodaevite

• Formula:
  Ag₅(Bi,Pb,Fe)₈(Sb,Bi)₂S₁₇

• System: Monoclinic

• Name:
  For Russian mineralogist, Yuri S. Borodaev.

• IMA Status: Valid (Approved)
  Approved 1991

• Type Locality:
  Alyaskitovoye Sn-W deposit, Ust'-Nera, Indigirka River Basin, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia

• Dana 8th: 3.8.10.5
  
  3 : SULFOSALTS
  8 : 1 < ø < 2

• Hardness (Mohs): 3½