1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
1.1.2 Afrika
Egypt
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
1.1.3 Eropah
Finland, Germany, Italy, Romania, Sweden, Turkey
United Kingdom
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru
Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, South Australia, Western Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula