The CPC Report showed only the first line of the tale below. I...

The CPC Report showed only the first line of the tale below. I thought I would add the values for the range of contract prices and spot prices as well. NOTE: I don’t know the criteria for obtaining spot prices.
I then tried to get an idea of the equivalent table when the source material is spodumene not mica since a lot more material has to be refined in the mica case.
LSPP for Micas.
Costs from the CPC report and sales prices from the Ref below.
Material costs $3960/t Li2CO3
Hydro plant operation costs $5600 to $6400/t
So LSPP operating costs are $9560 to $10360/t

	Column 1	Column 2	Column 3	Column 4	Column 5
0	Prodn cost/t	selling cost/t contract pr	selling cost/t spot price	profit/t	profit on 2500 t
1
2	9560	10000		440	1,100,000
3	9560	16000		4440	11,100,000
4	9560		18000	8440	21,100,000
5	9560		21000	11440	26,600,000
6	10360	10000		-360	-900,000
7	10360	16000		3640	9,100,000
8	10360		18000	7640	19,100,000
9	10360		21000	10640	26,600,000

Note: Sale of byproducts would increase profits significantly.

How could this translate to production of Li2CO3 from Spodumene using SiLeach?
Assume that ANSTO’s solution for removing the precipitated gypsum (calcium sulphate dihydrate) will work and will not introduce significant extra Hydro processing cost. i.e., Hydro plant operating cost is 5600 to 6400 per tonne.
To get some idea of the profits prior to inclusion of transport costs of the source material, suppose the source material is 6% spodumene concentrate, which can be bought for $905/t (current GXY sale price.) So you can make calcium carbonate from spodumene using SiLeach for US$6505 to US$7305/t including material cost but not including transport to the Hydro factory.
Note the difference in the cost of source materials, $905 for spodumene and $3960 from mica (4.37 times as much.)
For ease of reference I have added the spodumene table below- note: no transport costs included here.

	Column 1	Column 2	Column 3	Column 4	Column 5
0	Prodn cost/t	selling cost/t contr pr	selling cost/t spot pr	profit/t	profit on 2500t
1	6505	10000		3495	8,737,500
2	6505	16000		9495	23,757,500
3	6505		18000	11495	28,737,500
4	6505		21000	14495	36,237,500
5	7305	10000		2695	6,737,500
6	7305	16000		8695	21,737,500
7	7305		18000	10695	26,737,000
8	7305		21000	13695	34,237,500

I see lots of potential upside here and look forward to LIT clarifying the SiLeach spodumene processing costs.

I also recall that the PCT announcement on the international patent is due to be released mid August.