Depending on the conditions in which it formed, opal may be transparent, translucent, or opaque, and the background color may be white, black, or nearly any color of the visual spectrum. Learn about opal details, including stone meanings and symbolism, history, pricing, and value. Explore the vibrant world of gemstones
Learn about the different types of opal and where to find them in our comprehensive guide. Opal gemstones are hydrated silica crystals that form over millions of years Photos of opal from around the world
Opal, silica mineral extensively used as a gemstone, a submicrocrystalline variety of cristobalite In ancient times opal was included among the noble gems and was ranked second only to emerald by the romans. Opal is a popular gemstone, with some varieties being extremely valuable. Opals are a hydrated silica gemstone seen in a stunning array of vibrant colors and patterns
Learn why no two opal gemstones are the same, and the meaning, history, and details that make them highly desired!
