Reflecting his dominant emphasis on design rather than gemstones for visual impact, Tiffany chose beads of nephrite for the grapes. |
Those made under Perkhin tend to be in the rococo Louis XV style and often have bodies of hardstones such as nephrite or bowenite. |
Of the two kinds of jade, jadeite and nephrite, the former is harder than the latter and cannot be scratched with a penknife blade. |
Both, nephrite and jadeite often have veins, blemishes and streaks running through them, though these may not always be regarded as flaws. |
Hewn from jade, nephrite, marble, and hardstone, the oddly shaped blades lack an obvious prototype in any functional tool or weapon. |
Jadeite and nephrite differ in both chemical composition and crystalline structure. |