How much gold does gold inlaid jade usually contain?

If gold foil is inlaid with jade, gold is almost ignored. The thickness of gold foil is 0.2 micron, and 0.5 square gold foil can be punched out per gram of gold. Thickened gold foil, up to 0.2 mm

High-grade gold inlaid jade is marked with the weight and purity of gold on the buckle of pure gold, such as 0.890 g of pure gold. This is real gold inlaid with jade. The weight of gold will be clearly marked according to the legal provisions of the industry.