1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
1.1.2 Afrika
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
1.1.3 Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
United Kingdom
1.1.4 lain
tanah penggembalaan, belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru, venezuela
Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula