Alexandrite. A variety of chrysoberyl found in the mica slate of the Ural mountains. It is of a rich garnet color by transmitted light; by daylight of a dark moss green. It is the only stone that so changes. The finest specimens or alexandrite are nearly as valuable as diamonds.

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“Finally, brothers, whatever is true, whatever is noble, whatever is right, whatever is pure, whatever is lovely, whatever is admirable – if anything is excellent or praiseworthy – think about such things.”
– Philippians 4:8