These boron impurities change the diamond's color to somewhat blue. Similarly, the one distinction between ruby and sapphire is the sort of impurities existing in a corundum crystal. Tourmaline may be the birthstone to the month of October, and it is among the most popular gemstones on the earth. “Crystals https://spiegelz.de/2024/08/08/hochzeiten-de-eure-hochzeit-perfekt-planen/