Gem hunter receives suspended prison sentence for illegally mining turquoise at NT sacred site

A gemstone dealer has received a four-month suspended prison sentence for illegally mining more than 8 tonnes of turquoise ...
insider.si.edu

Turquoise : the world story of a fascinating gemstone / Joe Dan Lowry and Joe P. Lowry

Knowing the mystical qualities of turquoise -- Learning the international history of turquoise -- Studying geology & mineralogy of turquoise -- Mining turquoise -- Cutting turquoise : lapidary work -- ...