Gold Sheen Obsidian Gemstone 18.96ct

18.96ct AAA+ Natural Gold Sheen Obsidian Trillion Cabochon Loose Gemstone Up for auction is a magnificent, 18.96-carat natural Gold Sheen Obsidian cabochon. Expertly cut into an elegant, elongated trillion (shield) shape, this premium AAA-grade specimen features a velvety black base body color that comes alive when exposed to direct light. Unlike standard black obsidian, this rare variety features a mesmerizing, uniform golden chatoyancy shimmering just beneath the surface. This unique optical effect is caused by microscopic, dust-like gas bubbles trapped in parallel layers during the rapid cooling of volcanic lava. The stone boasts a flawless, high-mirror polish across its dome, making it completely ready for high-end custom jewelry setting or display in a fine mineral collection. Item Specifics & Details Gemstone Type: Natural Volcanic Glass (Obsidian) Variety: Gold Sheen / Golden Sheen Obsidian Weight: 18.96 Carats (ct) Grade: AAA+ (Premium Grade, High Uniformity, Vibrant Flash) Shape/Cut: Trillion / Shield Cabochon Polish: High Mirror Luster Treatment: 100% Natural, Unheated & Untreated Hardness: 5 - 5.5 on the Mohs Scale Design Potential This unique shield shape makes it a phenomenal centerstone choice for: Wire-wrapped statement pendants Bold, open-backed custom bezel rings Statement talisman jewelry or high-end wire artistry Nearest intersection Yonge Street and Steeles Avenue