与稀土有关的统计数据

1) “稀土”是17种元素的总称。澳大利亚具有经济价值的稀土储量仅占全球总量的6%左右，且以轻稀土为主，而美国国防制造所必需的重稀土资源70%以上集中在中国。这种天然优势使得澳大利亚无法完全替代中国。

2) the 17 mineral are very similar to each other, it is very hard to seperate them.
 

3)

the following was generated by google search. (heavy rare earth reserve by country)

Country	Estimated Reserves (million metric tons)
China	44
Vietnam	22
Brazil	21
Russia	21
India	6.9
Australia	4.2-5.7
United States	1.8-2.3
Greenland	1.5
Tanzania	0.89
Canada	0.83
South Africa	0.79