... of 24K gold foil , 2) graceful in design. 3) gold flower broach 4) best choice for valentines' day Gold flowerThe color ... light as feather, soft as silk, thin as cicada's wing. Processed by trimming, slicing, rolling, rubbing, folding, stacking, sticking, kneading ... forever. Only low-purity gold leaf becomes black. gold foil flower broach