Hi all Does anyone know of a published crystal structure for millisite?
It is nominally (Na,K)CaAl6(PO4)4(OH)9·3H2O Tetragonal, a=7, c=19.07 Å See http://www.minsocam.org/ammin/AM45/AM45_547.pdf or maybe anything possibly isostructural/morphous? It's pretty close to wardite, but has an extra hydroxide and water. ICDD PDF4+ has nothing, Various searches on COD haven't revealed anything. I don't have access to ICSD. Thanks Matthew Rowles
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