Obsidian ring, volcanic stone

A unique royal-style ring made of very rare and precious stones. Volcanic obsidian stone... . Raw definition and type of the rare stone...️ . Obsidian (pronounced "Ob-SID-ee-an") is a gemstone. It is a volcanic stone derived from black lava rocks rich in silicic acid. Born from the heart of volcanoes, it comes in various colors, with the deep, glossy black being the most famous and sought-after for rings and jewelry. Some pieces exhibit a purple tint, indicating its natural properties. It is simultaneously considered one of the rarest and most valuable gemstones. . For sale at negotiated price. . Size 8–9 approximately, adjustable.