Scientists say the high manufacturing quality of the blade in comparison with other simple-shaped artefacts suggests a significant mastery of iron working in the Egyptian boy king's time.
Higher gold prices will push miners to restart or speed up development of projects, leading a fresh wave of mergers and acquisitions in the country, according to BMI Research.
Rare earths content was tested using hydrofluoric acid, which is much stronger and more efficient than industrial methods, but is too hazardous to use on a large scale.
Australia's Taurus raised $683m to invest in mining company debt last year, while two funds currently in the market are targeting investor capital of $800m.
Development of the Bokan Mountain rare earth mine is on hold as the company leading the project focuses on a new processing technology and waits for rare earth metal prices to rebound.
