"TMR: Does Siemens' deal with Molycorp preclude a deal with...

"TMR: Does Siemens' deal with Molycorp preclude a deal with Tasman or any other emerging rare earth recovery (REO) producers?

RC: Not necessarily. The Siemens/Molycorp 10-year deal announcement didn't discuss any specific numbers for offtake tonnage. It's my understanding that Siemens had a previous dealwith Lynas Corp. (LYC:ASX) that is still alive. It could just be that Siemens is looking to diversify its supply sources."

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TMR: Parting thoughts?

RC: What we've seen in late 2014 and so far in early 2015 are indications that markets for certain REEs—neodymium, praseodymium, terbium, dysprosium, the ones generally used heavily in permanent magnets—are becoming increasingly tight. The supply–demand fundamentals are falling into imbalance and are only surviving based on preexisting stockpiles. That's what has buoyed prices and that's what's sending end users into partnerships with the likes of Molycorp and others. Rare earths prices have again soured in the last month, but as soon as the uncertainty surrounding Chinese export tariffs goes away, we'll start to see more positive momentum behind REE prices and more positive market sentiment toward REE companies.

http://www.mining.com/web/ryan-castillouxs-state-of-the-ree-market-address/