Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Japan, Turkey
Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Egypt, Ethiopia, South Africa
Eropah
United Kingdom
France, Greece, Iceland
lain
belum menemukan
belum menemukan
Amerika Selatan
Kolumbia
belum menemukan
deposito di oceania benua
Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula
New Zealand