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Originally Posted by rasdan
Anybody know why the rubies in the metal detector selut are oddly and shaped? The shapes are different form each other it looks like naturally formed?
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Ruby in its nature form is most likely as a crystal. The stones in this selut seem to have been tumble polished. That would account for various sizes and shapes. The naturally occurring mineral would not look like these polished stones, they would look more like these crystals below.