It is often hard to get good independent review on Graphite...

It is often hard to get good independent review on Graphite pricing. The link below is about the best informed I have seen for some time.

http://www.nextsourcematerials.com/graphite/about-graphite/
This site has great review of G market..note the premium for 99.9% HXG will produce 99.999%
Pricing
Graphite prices are a function of 2 factors - flake size and purity - with large flake (+80 mesh), high Carbon (+94%) varieties commanding premium pricing.

	Column 1	Column 2
0	Type of Natural Graphite​	Average Price ($/tonne January 2013)​
1	Small Flake (95% - 98%)​	$900-$1,200​
2	Medium Flake (95% - 98%)​	$1,050 - $1,400​
3	Large Flake (95% - 98%)​	$1,400 - $1,800​
4	Jumbo Flake (95% - 98%)​	>1,600​
5	Battery Grade Flake (99.9%)​	$5,000 - $20,000​