The color of Smoky Quartz comes from natural radiation, emitted from the surrounding rock, which activates the color centers around the aluminum impurities within the crystal. Amethyst forms in a similar way, whereas its color comes from the activation of color centers around iron impurities. Smoky Quartz ranges from a light yellow-brown to a dark, chocolate brown.

Many terminated points, several points are crystal clear, others are a smoky gray. There are desirable growth striations on many crystals. The crystals themselves point in a variety of of angles at different lengths, creating a feast for the eyes. Can be displayed in many ways.

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