Hi Luanboo, my apologies for spelling error on your name in...

Hi Luanboo, my apologies for spelling error on your name in previous post, my bad.

Re your comment "Please don't be too quick to say that other's opinion/information are rubbish and nonsense."

Where I see something that I believe is nonsense then I believe it is important to point it out as soon as possible, even if it has come from a supposed expert. The sooner it is pointed out then perhaps the sooner misinformation is not spread. There are likely some viewers who utilise Hotcopper as assisting in their research/knowledge of stocks, so the sooner any nonsense is corrected the better, in my humble opinion.

Anyway, based on UY post above it seems my understanding was correct, if one is starting from a concentrate then you need to multiply by the concentrate grade to calculate the contained Tantulum and then apply the price to that.

"[Value tantalite] = weight of material x 30% [x conversion to lb if necessary] x X$/lb Ta2O5"

And that's from the Tantulum-Niobium International learning centre, one would expect they would know a little bit about the correct valuation method. As such can I suggest you double check with your expert or seek a second opinion on what is the correct value of a 1 tonne concentrate with 30% contained TA2O5.

Hopefully we now have the basics sorted out and we can then move on to the more important matter of what was shipped in January etc

From our "record production" announcement we have

"
A total of 20t high grade tantalum grading approximately 30% Ta2O5 was shipped in January 2019.

• An additional shipment of 20t high grade tantalum grading approximately 30% Ta2O5 is expected to depart "

With the basics hopefully under our belt we know need to determine whether those shipments are 20t of concentrate at 30% or whether it's 20t of contained Tantulum and they are just providing the grade so that we know it's good stuff.

What's people's thoughts is it concentrate or contained Tantulum? Big difference in value based on whichever you think it is in my humble opinion.

All the best