Peacock feather under a microscope - this is not beadwork but I can imagine these colors/texture stitched together in spiral seed bead work. The image breaks the palette down very nicely Knit texture ideas
Marbled Paper Designs by Various Artists. All images come from the University of Washington Decorated and Decorative Paper Collection. First image: Vintage c. marbled paper, Spanish moiré on Turkish with Gold vein pattern. Vintage c.