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Product Description

Binghamite and Silkstone come from the Cuyuna iron range in Minnesota. The stone has areas that are highly chatoyant similar toTigereye. It is a quartz with fibers of goethite in colors of red, gold, black and there are also rare colors. Top grade Binghamite is compared to good grade Pietersite for color and chatoyancy. When this rocks pattern is arranged in straight lines it's called Silkstone. Binghamite shows crystal growth in all directions. The Cuyuna iron range has been closed for many years and so this stone is getting more rare as the years pass.-WET pic.-(3"x2"/1.8 oz./6mm thick) a couple sealed fractures>>great cutter

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