The crystal structure of a mineral may be divided into two parts: (1) the structural unit, an array of high-bond-valence polyhedra that is usually anionic in character, and (2) the interstitial complex, an array of large low-valence cations, simple anions and (H2O) groups that is usually cationic in character...
Keywords: Oxysalt minerals, Bond valence, stability, Mineral composition
01/2008 | Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag