What is koroit opals?

Koroit is a small town located in Queensland, Australia, known for its high-quality opals. Koroit opals are highly sought after due to their unique and stunning patterns and colors. These opals are formed in the ironstone matrix, which gives them their distinct dark base color. They often display bright flashes of green, blue, red, and orange. Koroit opals are mined mainly by hand, making them a rare and valuable gemstone. They are commonly used in jewelry and can be found in both simple and complex designs. Koroit opals are a favorite among collectors and jewelry enthusiasts alike and are considered one of Australia's national treasures.