Mineral phase
IMA name
Bunsenite
IMA Code
Bse
Class
non-silicate mineral
Compound type
oxide
Formula
NiO
Chemical formula
NiO
Elemental formula
Ni O
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Isotope mole fraction State Relevance
Ni Nickel element 1 constituent element main
O Oxygen element 1 constituent element main
Chemical bonds
  Bond Number
NiO
Oxides
Formula NiO
Mass fraction (%) 100.0

Strunz

Class
oxides - hydroxides - arsenites (04)
Division
metal:oxygen = 2.1 and 1:1 (04.A)
Family
M:O = 1:1 (and up to 1:1.25) with small to medium-sized cations only (04.AB)
Code
04.AB.25

Dana

Major class
oxides and hydroxides (III)
Class
simple oxides (04)
Type
with a cation charge of 2+ (A++O) (04.02)
Group
Periclase group (Isometric, Fm3m) (04.02.01)
Code
04.02.01.02
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
hexoctahedral
Crystal class symbol
m-3m (Oh)
Crystal spacegroup
Fm-3m
Molar mass
74.69 g/mol
Density
6.4 - 6.8 g/cm3
State NTP
solid
Refringence type
isotropic
Refringence sign
no
Birefringence
0
Refraction index nα
2.23
Pure color
green
Color
dark yellow green, pistachio green
Diaphaneity
translucent to opaque
Luster
adamantine