OPAL Crossword Clue
OPAL Crossword Clue
We know 5 solutions for: OPAL
Crossword Puzzle Infos
Opal is a mineral composed of hydrated amorphous SILICA, and is a type of GEMSTONE. It is often referred to as a GIRASOL, which is a type of opal that displays a play of color in the light. Opal is also known as a HYALITE, which is a transparent form of opal. It is one of the most popular gemstones, and is composed of silicon dioxide.