While quartz has long been used in timepieces, new models by Chanel and Van Cleef & Arpels show it having a moment. By Joshua Hendren Decorative gems have adorned watches for centuries. But, beyond ...
State of study. The state of research on some rock crystal ewers and related vessels from Islamic lands / Jens Kröger. Availability, carving techniques, and character of rock crystal. Madagascar, the ...
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