Orocal is proud to gurantee the authenticity of it’s Gold Quartz and Nugget products as genuine. It is one of the rarest minerals found and only about 1% of the world’s mines produce this unique mineral. Mined in the high Sierra Mountains, it is some of the highest grade of natural gold found! Each piece is a unique, one of a kind piece surrounded by 14 Karat yellow gold. A perfect gift from the heart of Gold Country!