Abstract/Description: NiAs - Mohs Hardness: 5 - 5 1/2. Niccolite is a mineral consisting of nickel arsenide containing 43.9% nickel and 56.1% arsenic. It is rarely used as a source for nickel due to the presence of arsenic. Due to its color it has sometimes been referred to as "copper nickel."
Subject(s): Cobalt, Ontario, Canada
environmental sciences