| Females are drabber, with subtle iridescence on overall grayish-brown bodies, spotted flanks, and a white teardrop surrounding each eye. |
| Strontium sulfate is sometimes used to produce iridescence in glass and pottery glazes, and can also be used as a fining agent in crystal glass. |
| Luster, iridescence, and surface blemishes determine price, but so does size, color, shape, and unique matches of two or more pearls. |
| When removed from the water, smelt reflect with a pink, purple or blue iridescence, hence the common name rainbow smelt. |
| But first and foremost they have that same magic light that DUNE has, that iridescence that shimmers as you look at it. |
| Helma offers an alternative to flowers: a stylised floral motif with refinement, playing on the iridescence. |
