Green Tourmaline in Quartz - Old Stock While the best UV reaction

While the best UV reaction will come from a UV light

Opal is used in helping boost optimism

found in the Czech Republic

This is ground that has remained below freezing temperatures

Green Tourmaline in Quartz - Old Stock While the best UV reactionThere are many, many collectors and mineral enthusiasts who focus solely on the world of tourmaline. With so many different species and locations from all around the world, it is almost a requirement to have some specimen of tourmaline in your collection. Why not start off with a beautiful dark green from Brazil? Size: 2. 7 x 1. 7 x 1. 6 in. Weight: 4. 5 oz Chemical Formula: XY3Z6B3Si6(O,OH)30(OH,F) Location: Brazil Tourmaline is a boron silicate