A rare arsenide of nickel, NiAs₂, occurring as white, opaque, tabular crystals that alter to erythrite when exposed, and belonging to the orthorhombic crystal system.
Origin
1930s.
Definition of pararammelsbergite in US English:
pararammelsbergite
noun
A rare arsenide of nickel, NiAs₂, occurring as white, opaque, tabular crystals that alter to erythrite when exposed, and belonging to the orthorhombic crystal system.