Rainbow Calsilica Bolo TiesRainbow Calsilica is beautifully layered in differing bands of color: red, brown, green, tan, blue, yellow, white and others. It is apparently mined near Chihuahua Mexico and has created a great deal of controversy and speculation. Some mineralogists believe the stone is completely natural, some believe it to be man-made and still others believe it to be natural, but chemically enhanced to bring out its vibrant coloring.
Regardless of its origin, this intriguing stone cannot be matched for eye-catching appeal!
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