No, schwertmannite is not included in any of the databases that I have. I guess you are on your own to try to find some literature values for stability constants. David David Parkhurst (dlpark@xxxxxxxx) U.S. Geological Survey Box 25046, MS 413 Denver Federal Center Denver, CO 80225 Project web page: https://wwwbrr.cr.usgs.gov/projects/GWC_coupled David Harris <david.harris2@x To: dlpark@xxxxxxxx cu.edu.au> cc: In-Reply-To: <22.214.171.124.20021029172244.007bb6b0@xxxxxxxxxxxxxx> Subject: PHREEQC2 10/29/02 12:22 AM Mr Parkhurst, I am doing simple SI calculations for AMD solutions and wish to know if there is any data on schwertmannite or a database containing the mineral. Regards David Harris David Harris School of Earth Sciences James Cook University PO Box 6811 Cairns Qld 4879 Ph: +61 (0)74042 1544 Fax: +61 (0)74042 1284
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