 Elbaite, a variant of Rubellite (Tourmaline or "Anyant" meaning 'inferior' in Burmese) including the "mushroom" tourmaline, and Petalite or "Salinwa" are mined in this region.Diamond found in Momeik region is believed to be derived from primary sources in north-western Australia but distinguishable from similar stones from eastern Australia.Gold mining in the area is being operated by Asia World and Shweli Yadana companies.