THE INFLUENCE OF GEOLOGICAL CONDITIONS ON THE FORMATION OF THE COLOR OF PRECIOUS STONES. Web of Scientists and Scholars: Journal of Multidisciplinary Research, [S. l.], v. 3, n. 12, p. 9–14, 2025. Disponível em: https://webofjournals.com/index.php/12/article/view/5586. Acesso em: 31 jan. 2026.