Smoky Quartz Rutile Spheres - various sizes Montana Agate It is composed of silicon

It is composed of silicon dioxide and is commonly utilized in many industrial and decorative applications

At the end of the Middle Ages

but some can have similar coloration to the lightning whelk with axial brown streaks

It is also found in some rare cases as a secondary mineral in some ore deposits

When exposed to long-wave UV light

Smoky Quartz Rutile Spheres - various sizes Montana Agate It is composed of siliconThis beautifully polished Smoky Quartz Rutile Sphere comes from Brazil. Rutilated Quartz is a rare and unique gemstone due to the threads of rutilation running through the natural Smoky Quartz. Rutilated quartz is a type of quartz that contains needle like inclusions of a mineral called rutile. These inclusions can appear in a variety of colors such as gold, red, or black and give the quartz a unique, shimmering appearance. Rutilated quartz is