show me the money ! how big is the dividend ?, page-59

Roh,

The Chemistry of Gold Extraction by John Marsden, page 428.

http://books.google.com.au/books?id=OuoV-o_Xf-EC&pg=PA111&lpg=PA111&dq=the+chemistry+of+gold+extraction+marsden&source=bl&ots=Ar-xVkvly9&sig=FFFFCi_sSwF4nyxKJ5IPg80HRSM&hl=en&ei=2v28TfzMBJGavgP7pKS1BQ&sa=X&oi=book_result&ct=result&resnum=2&ved=0CCUQ6AEwAQ#v=onepage&q&f=false

Use the Index to go to page 409, flip pages to p. 428.

This page also talks about pyrite.