Opal is a vivid gemstone that develops in silica-rich water. A Sanskrit term that meaning precious stone is the source of the English word "opal." In the Roman era, opal... Read More
Author: Ariazoe
Amethyst is a fascinating gemstone that comes in various purple tones. Amethyst is a variety of quartz. It belongs to the system of hexagonal crystals. Semi-precious amethyst has a vitreous... Read More