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]: 115 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.

She made a significant contribution to the complex problem of diagnosing ore minerals and brought domestic science to a new level.