Gemstone Black Onyx Ocean Globe with Silver Base. 4-Legged Stand. This gemstone globe is crafted from a combination of powdered black onyx and carefully carved semi-precious gemstones, resulting in the delightful geographic mosaic swimming in oceans of deep, midnight black. The globe is coated by a layer of protective acrylic and mounted upon a thick swiveling ring etched with angular measurements. The entire piece is then fitted into a beautiful silver-plated quad stand braced by a central plate. Embedded into the plate is an ornate compass, completing the piece with that finishing touch. A beautiful gemstone globe that will surely draw many compliments. A Gemstone Globe is a beautiful gift and an elegant handcrafted piece of are, the manufacturing of which requires more than 10 processes (including cutting, grinding and polishing) 13" Diameter