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Silicon Sphere

For Sale (Sold) The manufacturing process to make silicon with a purity of 99.999999999% that's eleven nines, is truly amazing in itself. The creation of a sphere made with that same silicon gives it an extraordinary uniqueness that is hard to convey by paragraph & picture alone.. Like the guy in the youtube video says, when he picks up the Avogadro sphere. "its absolutely incredible"    • World's Roundest Object!   Here is another video of the making of that sphere    • Roundest objects in the world created   The Sphere listed here is a single crystal, semiconductor grade, solid silicon. It is 93.75 mm in diameter. 1Kg. With a mirror finish.. A sphere like this is extremely difficult to locate. Absolutely amazing to hold and look into.. The sphere has been in my collection for 20+ years. It would certainly make a perfect addition to your collection as it has in mine. The Silicon Sphere is for pickup only, unless another prior arrangement can be made. Payment due upon receipt of sphere.. PayPal, Cash.. $4,000.00 Perfect for the person that has everything, except a Silicon Sphere.