Preview Arts of Southeast Asia Volume 2, Issue 4 (July-August 2021) Antique Chinese Turquoise Talismans and Amulets Gemstone Objects from China: Gemmological Tests and Investigation of Production Technologyby Dr. József Takács and Terence Tan The History of Turquoise and Mining in Chinaby Dr. Philippe Smolarski artsofsoutheastasia.com info@artsofsoutheastasia.com