All rocks are made of one or more minerals. Minerals are solid, naturally occurring substances with well-defined crystal ...

From Chopard to Piaget, brands are releasing colorful hard-stone dials that channel the flamboyant spirit of the era.

SINOPEC Dalian Research Institute of Petroleum and Petrochemicals Co. Ltd., Dalian 116045, People’s Republic of China ...

The best online jewelry stores provide inspiration in the form of high-quality designs, exquisite responsibly sourced materials and impeccable customer service. After thoroughly researching a wide ...