AUSTRALIA'S GEMSTONE Crossword Clue

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Crossword Puzzle Infos
Australia's gemstone is OPAL, a mineral composed of hydrated silica. It is found in many colors, including white, black, and various shades of blue, green, yellow, orange, pink, red, and brown. OPAL is the national gemstone of Australia and is mined in several locations throughout the country. It is highly valued for its unique play of color and is often used in jewelry.
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