👉 Hopeite is a mineral that is primarily found in the rocks of Australia and New Zealand. It is an iridium-bearing quartz crystal with a gray to blue color, and it has a hardness of 6 on the Mohs scale of mineral hardness. Hopeite is composed of iridium (Au) and other elements such as iron, nickel, and cobalt. It is named after the hope of finding gold in Australia.
