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  1. Onyx - Wikipedia

    Black onyx is perhaps the most famous variety, but it is not as common as onyx with colored bands. Several artificial treatments have been used since ancient times to produce the black …

  2. Onyx | Gemstone, Chalcedony, Agate | Britannica

    Onyx, striped, semiprecious variety of the silica mineral agate with white and black alternating bands. Onyx is used in carved cameos and intaglios because its layers can be cut to show a …

  3. The 12 Different Types Of Onyx (With Photos) - Rock Chasing

    Mar 5, 2025 · Curious about onyx? Here's your chance to get to know the different types of onyx and see for yourself just how beautiful and distinct each of them are.

  4. Onyx: Meaning, Properties, and Uses - Wisdom Of The Spirit

    Jun 18, 2025 · What Is Onyx? Onyx is a type of chalcedony, which is a form of quartz. It’s known for its smooth, waxy luster and striking parallel bands, though the most popular variety is solid …

  5. Onyx: Formation, Types, Meaning, Real vs Dyed, and Properties

    May 2, 2023 · Onyx is a banded chalcedony known for its dark layers and durability. Learn its formation, types, how to spot real vs dyed stones, and its modern uses.

  6. Onyx: Color, Types, Properties, Uses - Geology In

    Onyx is a banded variety of chalcedony, which itself is a microcrystalline form of quartz (SiO₂). What distinguishes onyx is its parallel bands of contrasting colors, most commonly black and …

  7. Onyx Stone: History, Meanings, Properties & More - Gem Rock …

    Jun 15, 2021 · Interested in buying an onyx stone? In this buyer’s guide, we’re sharing about onyx meaning, uses, and buying factors to consider!

  8. Onyx Properties, Varieties, and Jewelry Information - Gem Society

    Apr 16, 2025 · Onyx is a type of chalcedony, which is itself a form of microcrystalline quartz. Onyx stones have straight, nearly parallel bands or layers of color, which allow skilled gem carvers …

  9. Onyx: The gemstone onyx information and pictures - The …

    Onyx is an ancient gemstone, having been used in jewelry and as an ornamental gemstone for carvings since antiquity. Onyx has traditionally been one of the most important engraving and …

  10. Ultimate Guide To Onyx: Meanings, Properties, Facts and More

    Here's everything you need to know about Onyx - from key facts, uses meanings, healing properties, and more.