Constituent
Name
Potassium bromide KBr
Family
ionic solid
Class
normal salt
Compound type
anhydrous salt
Comments
Not recognized as mineral species. Natural Potassium bromide is regarded as very very unlikely
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Formula
$KBr$
Chemical formula
KBr
Elemental formula
K Br
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$K$ Potassium element 1 0.5 1.0 pure main
$Br$ Bromine element 1 0.5 1.0 pure main
Composition comments
Deliquescent, very soluble in water: 678 g/l (25 °C)
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
hexoctahedral
Crystal class symbol
m-3m (Oh)
Crystal spacegroup
Fm-3m
Texture
other
Molar mass
119.002 $g/mol$
Density
2.74 $g/cm^3$
Refringence type
isotropic
Refringence sign
no
Refraction index $n_{\alpha}$
1.560