Just by looking at this powder, it would seam like iridescent blue is the least iridescent of the four iridescent colours, however, such is not the case. When smeared on a white background, slight variations of blue can be seen. To some, it might even look like purple. It is very neat to see. You are purchasing 28 grams of Iridescent blue mineral mica powder. This mica mineral powder has sparkle characteristics that shimmer beautifully in creative projects and or works. You can look forward to the high shimmer factor when mixed in with your mediums for make up and nail polish. Make your own cosmetics such as makeup, nail polish and more.