Cleve discovered Thulium in 1879.
It is the most rare of the Lanthanides.
The most reliable source of Thulium is monazite.
Due to the high price of Thulium, it has few practical uses.
There is potential use for Thulium in the nuclear industry as a radiation source.
It is named for "Thule", the earliest name for Scandinavia.
- Atomic Number: 69
- Atomic Weight: 168.93
- Melting Point: 1545
- Boiling Point: 1947
- Specific Gravity: 9.321
- Valence(s): 2 or 3
Web Pages that Work! Zeuter Development Corporation
Post Office Box 225, Parry Sound, Ontario, CANADA P2A 2X3
Copyright © Zeuter Development Corporation, 1996-2022. All rights reserved.