Dielectric behaviors at microwave frequencies and Mössbauer effects of chalcedony, agate, and zultanite*
Paralı Leventa)†, Şabikoǧlu İsrafilb), Tucek Jiric), Pechousek Jiric), Novak Petrc), Navarik Jakubc)
       
TGA/DTA analyses of chalcedony.