Author:
Jan Scholten
Book:
Type:
Chapter:
1-260.00.13

Thallium is relatively unknown. Julian (1979) describes a few provings.

Signature
The name is derived from the Greek word ‘thallos’, meaning ‘green shoot’. This is because the Thallium spectrum has a bright green colour. It was discovered in 1861 and its chemical symbol is Tl.