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Tatiana Nikiforovna Chvileva[1] (Russian: Чвилёва Татья́на Ники́форовна; 7 January 1925 – March 2000) was a Soviet and Russian mineralogist, petrographer and petrologist, candidate of geological and mineralogical sciences (1962), developer of new methods for diagnosing minerals, active participant and author of the discovery of a number of new minerals. For more than 30 years, she has been a leading employee of the Moscow Institute of Mineralogy, Geochemistry and Crystal Chemistry of Rare Elements, developer of new methods for diagnosing minerals, mineralogist at the mineragraphy office.[2]
During the 1970s — 1980s, Tatyana Chvileva co-authored the discovery of several new minerals, primarily bilibinskite, velikite, bezsmertnovite, gruzdevite and thallium-containing hakite.[3] In 1988, a new polymetallic mineral, chvilevaite (Russian: чвилеваит, чвилёваит),[4] found in Transbaikalia, was named in honor of Tatyana Chvileva; its composition is ferro-sulfide of sodium, zinc and copper with the formula Na(Cu,Fe,Zn)2S2.[5] By decision of the International Mineralogical Association, Tatyana Chvileva was included in the encyclopedia of famous geologists and mineralogists of the world.[2] Tatyana Chvileva is the author of five monographs and more than eight dozen scientific articles. She made a significant contribution to the complex problem of diagnosing ore minerals and brought domestic science to a new level. Since the late 1980s, her definitive monographs have served as a textbook for students of Russian universities.[2]