Mineral phase
IMA name
Bismuth
IMA Code
Bi
Class
native element
Compound type
elemental mineral
Formula
$Bi$
Chemical formula
Bi
Elemental formula
Bi
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Isotope mole fraction State Relevance
$Bi$ Bismuth element 1 constituent element main

Strunz

Class
elements (01)
Division
metalloids and nonmetals (01.C)
Family
Arsenic group elements (01.CA)
Code
01.CA.05

Dana

Major class
native elements (I)
Class
native elements (01)
Type
with semi-metallic and non-metallic elements (01.03)
Group
Arsenic group (01.03.01)
Code
01.03.01.04
Phase type
crystalline
Crystal system
trigonal
Crystal class
ditrigonal-scalenohedral
Crystal class symbol
-3m (D3d)
Crystal spacegroup
R-3m
Molar mass
208.98 $g/mol$
Density
9.7 - 9.8 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid 271.4°C (544.6 K)
Refringence type
uniaxial
Refringence sign
no
Birefringence
0
Pure color
white
Color
silver white, pinkish white, red
Diaphaneity
opaque
Luster
metallic