No abstract

Both the gel method, slow precipitation, hydrogen carbonate transport at rooin temperature as well as hydrothermal transport in a carbon dioxide solution and the hydrothermal tlecoinposition of the oxalates were used t o grow BaCO, and SrCO,. The morphology of the resulting crystals is described and compared with respect t o theoretical considerations in(-luding the Donnay-Harker rule and the PBC theory.Mop@onorm BIITepkITa II CTPOHIlMaIIHTa KpIICTaJIJIU3yIOIUIIeCfZ B reJIe KpeMHeBOfi HpMCTaJIJIhI BaCO, M SrCO, BbIpaIUMBaJIMCb pa3JIMtIHbIMH MeTOHaMPi: k33 renefi, 110