Facts
- Chemical formula
- (Pt,Pd,Cu)₉Cu₃Sn₄
- Crystal system
- Orthorhombic
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- Oktyabr'skoe Cu-Ni deposit
- Named after
- Tat'yana L. Evstigneeva
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3981542