A quick Google search as Im new to this stock and Lithium "A...

A quick Google search as Im new to this stock and Lithium

"A typical run of mine ore can contain 1-2% Li2O, while a typical spodumene concentrate suitable for lithium carbonate production contains 6-7% Li2O (75% - 87% spodumene). Higher grade concentrates with 7.6% Li2O and low iron content are used in ceramics and more demanding industries."

These seem to be the best intersects in the holes drilled so far (from the latest release)-

MRC04 12 26 14 5%-15% spodumene; unaltered, unweathered
MRC04 39 42 3 5%-15% spodumene; unaltered, unweathered
MRC04 50 52 2 1%-5% spodumene; unaltered, unweathered
MRC04 70 105 35 10%-20% spodumene; unaltered, unweathered

My questions

1. I guess the Spodumene needs to be tested in the lab to get the grades for the Li20?
2. For lithium carbonate production contains 6-7% Li2O (75% - 87% spodumene). The above shows the highest % found in these drill holes is 10 - 20%, is this any cause for concern?

Cheers