- 2022 Harmonized System Code
- 260400
- chemical formula
- (Ni,Fe)₉S₈
- density
- 4.80
- IMA Mineral Symbol
- Pn
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 2.BB.15
- Nickel-Strunz 9th edition (updated 2009)
- 2.BB.15a
- Strunz 8th edition (series ID, updated)
- II/A.07