Asia
Russia, Turkey
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
Eropah
Germany, Greece, Iceland, Norway, Poland
Bulgaria, England, Germany, Norway, Romania, Switzerland
lain
belum menemukan
belum menemukan
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru
deposito di oceania benua
Australia
South Australia, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia