Copper-bearing tourmalines, known as Paraíba tourmalines, have captivated gem collectors, dealers and jewellery enthusiasts worldwide since their discovery in the late 1980s.
The 20th edition of JAS and its 7th B2B Edition, organised by the Jewellers Association Jaipur, commenced on 3rd July on a grand and enthusiastic note at the Jaipur Exhibition & Convention Centre.
