Mineral phase
IMA name
Halite
Class
non-silicate mineral
Compound type
halide
Formula
$NaCl$
Chemical formula
NaCl
Elemental formula
Na Cl
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Isotope mole fraction State Relevance
$Na$ Sodium element 1 constituent element main
$Cl$ Chlorine element 1 constituent element main
Oxides
Formula $Na_{2}O$ $Cl$
Mass fraction (%)

Strunz

Class
halides (03)
Division
simple halides, without H2O (03.A)
Family
M:X = 1:1, 2:3, 3:5, etc. (03.AA)
Code
03.AA.20

Dana

Major class
halides (IV)
Class
anhydrous and hydrated halides (09)
Type
where AX (09.01)
Group
Halite group (09.01.01)
Code
09.01.01.01
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
hexoctahedral
Crystal class symbol
m-3m (Oh)
Crystal spacegroup
Fm-3m
Molar mass
58.44 $g/mol$
Density
2.17 $g/cm^3$
State NTP
solid
Refringence type
isotropic
Refringence sign
no
Refraction index $n_{\alpha}$
1.544
Pure color
white
Color
white, light blue, dark blue, pink
Diaphaneity
transparent
Luster
vitreous