Green tourmaline is a variety of greenish-toned tourmaline. It belongs to the family of Elbaites,which are gem-qualitychromatic tourmalines. Within this family are also the pink, red and blue varieties. Colored tourmalines are characterized by their dichroism and are usually scarce and valued in jewelry making.
Click here to learn more about Green Tourmaline
White quartz or rock crystal is a variety of clear,whiteor colourless quartz. Quartz is composed of silicon dioxide, the most abundant mineral in the Earth's crust after feldspars. Its name comes from the German word "quartz" and the Greek word "krystallos".
Click here to learn more about quartz.