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方水钍石于1957年在莫桑比克北部的一个花岗伟晶岩矿脉中发现。矿物呈黄褐色的八面体。比重为5.24。等轴晶系。均质。折光率不固定,经常低于1.735,其变化介于1.690—1.703之间
Fangshui thorium was discovered in 1957 in a granitic pegmatite vein in northern Mozambique. Mineral octahedral yellowish brown. The proportion is 5.24. Isometric system. Homogeneous. Refractive index is not fixed, often less than 1.735, the change between 1.690-1.703