from The Century Dictionary.
- noun A sulphid of nickel, occurring in isometric octahedrons and in massive forms, of a light-gray color and brilliant metallic luster. A ferriferous variety from Ontario carries a small amount of platinum.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy An
isometric supergene sulfide mineral, dark violet gray to copper-red, associated with the weatheringof primary pentlandite nickel sulfide.
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