Books by Ted Themelis

5 books found

Beryllium-Treated Rubies & Sapphires

Beryllium-Treated Rubies & Sapphires

20031 ed.
Flux-Enhanced Rubies & Sapphires

Flux-Enhanced Rubies & Sapphires

20041 ed.
The heat treatment of ruby and sapphire

The heat treatment of ruby and sapphire

19921 ed.
Mogok

Mogok

20011 ed.
Gem & mines of Mogôk

Gem & mines of Mogôk

20081 ed.