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

Strunz

Class
elements (01)
Division
metalloids and nonmetals (01.C)
Family
Sulfur-selenium-iodine (01.CC)
Code
01.CC.10

Dana

Major class
native elements (I)
Class
native elements (01)
Type
with semi-metallic and non-metallic elements (01.03)
Group
-Selenium- group (01.03.04)
Code
01.03.04.02
Phase type
crystalline
Crystal system
trigonal
Crystal class
trapezohedral
Crystal class symbol
32 (D3)
Crystal spacegroup
P3(1)21
Molar mass
127.60 $g/mol$
Density
6.2 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid 449.51°C (722.67 K)
Refringence type
uniaxial
Refringence sign
no
Birefringence
0
Pure color
white
Color
white, grayish white, silver gray
Diaphaneity
opaque
Luster
metallic