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
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