Jade / Nephrite goblet unscrews from base, as pictured. Weight is 167.02 grams. Diameter of Nephrite / Jade cup is 100 mm. Diameter of base is 65 mm. All cracks are natural to the stone.A very scarace piece of original russian artwork! This item is in the category "Antiques\Silver\Non-U. The seller is "galleryoff5th" and is located in this country: US. This item can be shipped worldwide.