Diagnosing the solar atmosphere through the Mg I b2 5173 Å line: II. Morphological classification of the intensity and circular polarization profiles. - Siu-Tapia, A. L.; Bellot Rubio, L. R.; Orozco Suárez, D.; Gafeira, R. (Astronomy & Astrophysics / Astronomie et Astrophysique, 2025)