Ferroelastic properties of proustite at low temperatures
Gorin Yu. F., Babushkin A. N., Kobelev L. Ya., Savel'kaev A- S.
A study of the domain structure of proustite in unpolarized light at 29 К reveals that a phase transition seen previously in this material is of a ferroelastic nature. A new phase transition has been detected at 22 К on the basis of a change in the transparency of the sample.