Marianna Bezsmertnaya

Marianna Sergeevna Bezsmertnaya, née Yurkevich (Russian: Мариа́нна Серге́евна Безсме́ртная (Юркевич); 2 May 1915 – 1991) was a Soviet and Russian geologist, mineralogist, petrographer and petrologist, candidate of geological and mineralogical sciences (1957), developer of new methods for diagnosing minerals, active participant and author of the discovery of a number of new minerals. For 25 years, she was a leading employee of the Moscow Institute of Mineralogy, Geochemistry and Crystal Chemistry of Rare Elements, the author of new methods for determining minerals. In the late 1950s to early 1960s, she re-checked and revised the mineralogical collection of the institute.

In 1979, in honor of Marianna Bezsmertnaya and her husband Vladimir Bezsmertny (1912-2002), a new mineral found in Kamchatka, bezsmertnovite, was named in composition — a complex plumbotelluride of gold, copper, iron and silver, the brightness of the color surpasses even gold.