Triangular Prism | Definition, Structure & Examples

Check out the trigons on this 3.30-carat diamond crystal! 💎📐 Trigons are triangular etch marks that form when a diamond crystal is partially dissolved by magma or chemicals while in the mantle or during transport to Earth’s surface. The dissolution happens in a triangular shape because it is controlled by the underlying crystal structure of the diamond. The process isn’t intense enough to remove all carbon atoms, only those with the weakest bonds. Trigons reflect the surviving atoms clinging t

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