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About blue crystal math

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Impurities in minerals for example quartz crystal can guide it to seem pink (rose quartz) or violet (amethyst) but frequently the colour is usually a results of just how the electrons in the substance take in light-weight and isn't a particular indicator of purity. If you want blue crystals that https://blue-crystal-math76344.verybigblog.com/29140984/blue-crystal-math-can-be-fun-for-anyone

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