Nickel nitride is grey lump or powder,which is very hard to smash as special alloys. When in lump, it get metallic lustre.
Nickel Nitride Powder
Synonyms: nickel(III) nitride, nickel(II) nitride
Molecular Formula: NiN, Ni2N3
Applications: nickel(III) nitride powder is raw material for PVD coating, thin film, plating and surface finishing.