Use the excerpt to answer the question.
Opals come in a variety of colors, and they range from opaque to transparent. The most desirable opals are known as the precious opals. They have a special iridescent quality. As you move the opal under light, it shows a spectrum of colors.
Which words provide the best context clues for the meaning of iridescent?
"opals, special, precious"
"variety, light, spectrum of colors"
"transparent, variety, opals"
"opaque, quality, desirable"
1 answer
"variety, light, spectrum of colors"