Paraiba
Traditionally, blue and green tourmaline has been graded using standards borrowed from ruby, sapphire, and emerald. Darker-toned stones (seventy-five to eighty-five percent) have been the most sought after. 170 However,…
Emeralds ” Green ” where could they be found?
Emeralds are prized for their vivid green color and have been valued gemstones for centuries. They are often used in jewelry, including rings, necklaces, earrings, and bracelets. The quality of…
