AN EXPERIENCE OF CRYSTALLOGRAPHIC ANALYSIS OF NATURAL MERCURY-BEARING SULPHOSALTS
Structures of several minerals: galkhaite, stalderite, schwazite, aktashite, laffittite, tvalchrelidzeite and livingstonite, were analyzed with use of the special technique of crystallographic analysis. This technique to study structure is based on the definition of families of crystallographic planes which are most densely filled by atoms, investigation of mutual combinations of these planes forming pseudotranslational sublattices representing the basic «power skeleton» of the crystal structure, and consideration of matches between these sublattices within frames of the composed translational lattice and the resulting symmetry. There is shown the high stability of the cation and anion matrices forming the «power skeleton» of structures even with significant variations of the composition.