About 607,000 results
Open links in new tab
  1. opal.ohio.gov - Ohio Permit & Liquor Licensing

    OPAL (Ohio Permit & Liquor Licensing) is the Ohio Division of Liquor Control’s (DOLC) new online, account-based system for managing all your liquor licensing needs.

  2. Opal - Wikipedia

    For use in jewellery, most opal is cut and polished to form a cabochon, a convex shape that maximises the viewing angles through which an opal's play of colour can be observed. …

  3. 14 Different Types Of Opal And What They All Look Like

    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.

  4. Pictures of Opal - Black, Fire, Boulder, Blue and Pink

    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.

  5. Opal | Properties, Types & Uses | Britannica

    Nov 27, 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 …

  6. Opal Gemstone | Opal Stone – GIA

    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.

  7. What Is Opal: Everything You Need to Know - Nobbier

    Apr 21, 2025 · What Is Opal? Opal is a hydrated amorphous form of silica (SiO₂·nH₂O) containing between 3-21% water within its mineral structure. Unlike crystalline gemstones that have …

  8. Opal Stone Meaning, Uses, Properties, Value, & More

    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.

  9. Opal Gemstone Information: Varieties, Colors, Care, and More

    Explore comprehensive opal gemstone information covering varieties like black, fire, and boulder opals, their colors and patterns, historical significance, care tips, and symbolic meanings for …

  10. Opal Gemstones: History, Symbolism, Meanings & More

    Aug 28, 2021 · 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 …