POLISHED JADE FOR SALE
Jade is a semi-precious stone best known for its dark green varieties, though it maybe found in a variety of colors. The most common types of jade are jadeite and nephrite. Jadeite is a variety of jade that's primarily composed of silicon, calcium and magnesium while nephrite contains silicon, sodium and aluminum. For thousands of years, jade has been used for ornamental purposes, jewelry and as tools due to its relative strength and durability.