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Opal

Showing 1–28 of 32 resultsSorted by latest

Showing 1–28 of 32 resultsSorted by latest

Opal is a unique and beautiful mineral that belongs to the silica family of minerals. It is composed of tiny spheres of silica that are arranged in a three-dimensional lattice structure, which gives it its distinctive iridescent and colorful appearance. Opal is typically white or transparent, but can also be found in a range of colors including blue, green, pink, and yellow.

Opal is commonly found in sedimentary rocks, as well as in volcanic and hydrothermal deposits. It is a relatively soft mineral, with a Mohs hardness of 5.5-6.5, which makes it suitable for use in jewelry making and other decorative applications.