English
"Advertising brochure: brief facts on turquoise and its history, with description of Los Cerrillos district and Mount Chalchuitl, the ancient Indian mines thereon, and recent work done by the company; followed by a geological sketch and brief list of references, p 15, 10 entries. Rare."--Gemology by J. Sinkankas, entry no. 6731.
Melde dich mit deinem kostenlosen Konto an, um zu lesen, EPUBs herunterzuladen oder zuzuhören.