Asia
India, Russia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Afrika
South Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Eropah
Iceland
United Kingdom
lain
belum menemukan
belum menemukan
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil
Kolumbia
deposito di oceania benua
Australia
Not Yet Found
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula