New and existing licensees must register themselves and use OPAL to update contact information, clear provisions, add extensions, apply for additional licenses or endorsements, …

A Peruvian opal (also called blue opal) is a semi-opaque to opaque blue-green stone found in Peru, which is often cut to include the matrix in the more opaque stones.

Mar 5, 2025 · Explore the vibrant world of gemstones! Learn about the different types of opal and where to find them in our comprehensive guide.

Opal is the product of seasonal rains that drenched dry ground in regions such as Australia’s semi-desert “Outback.” It is known for its unique display of flashing rainbow colors.

May 15, 2025 · 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 …

Aug 11, 2021 · Opal gemstones are hydrated silica crystals that form over millions of years. Learn about opal details, including stone meanings and symbolism, history, pricing, and value.

Explore the enchanting world of opal, a gemstone known for its mesmerizing play-of-color and unique beauty. Learn about its formation, properties, famous finds, types of opal, and how to …

Jul 1, 2024 · Opals are a unique and mesmerizing gemstone known for their distinctive play of color, making them one of the most sought-after and mysterious gemstones in the world. In …

Opals stand distinct in the world of precious gemstones, demonstrating an individuality that sets them apart. Unlike many gemstones that derive their value primarily from color, clarity, cut, …

Photos of opal from around the world. Guidance for people who want to buy opal, see different types of opal, understand their names, learn about synthetics and imitations.