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Minerals - Nickeline | TerraCollect
Mineral - Nickeline
Nickeline
NiAs
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
high
Formula
NiAs
Unit Cell
Physical Properties
Hardness
5 - 5.5
Streak
black
brown
brown black
Optical Properties
Color
gray
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Point Group
Density
Very Heavy (>6)
Cleavage
Fracture
Tenacity
Space Group
Habit
massive,
grape-shaped
Formation
Magmatisch, hydrothermal
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Nickeline
