Australian gemstone used in China’s hypersonic weapons could be security risk: study
Zircon from Australia could become fiercely contested by China and the United States, a geologist who works with the Chinese military has warned. While zircon is commonly valued as a gemstone, inside, it contains the metal zirconium. The metal can withstand very high temperatures, enabling ceramics, for example, to be heated to above 3,000 degrees…
