Deposits in Eastern Continents
  
  
Asia
Not Yet Found
  
Afghanistan, Indonesia, Japan, Russia
  
Africa
Namibia, Uganda
  
Kenya
  
Europe
Germany, Hungary, Italy, Portugal, Spain
  
Greece, Hungary, Iceland, Italy, Turkey
  
Others
Not Yet Found
  
Not Yet Found
  
Deposits in Western Continents
  
  
North America
USA
  
Canada, Mexico, USA
  
South America
Not Yet Found
  
Argentina, Chile, Ecuador, Peru
  
Deposits in Oceania Continent
  
  
Australia
New Zealand, Western Australia
  
New Zealand
  
Reserves of Tephrite and Obsidian
The reserves of Tephrite and Obsidian are geographically distributed all over the world. Tephrite and Obsidian reserves play an important role in a country’s economic growth. Rocks are deposited according to the topography of the area. Some oldest rocks can be found in the Canadian Shield, Australia, Africa and in a few other old regions around the world. The ages of these felsic rocks are around 2.5 and 3.8 billion years. Learn about the countries with Tephrite and Obsidian reserves here.