Obsidian vs Black Onyx: What's the Difference?

Discover the key differences between obsidian and black onyx, two beautiful black gemstones with unique properties.

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Obsidian is a naturally occurring volcanic glass that is typically black, while black onyx is a banded variety of the mineral chalcedony. They are distinct materials, but both share a deep black color.

FAQs & Answers

  1. Is obsidian a mineral or a rock? Obsidian is a naturally occurring volcanic glass that is classified as a rock, not a mineral.
  2. Can black onyx fade or lose its color? Black onyx is a durable stone, but prolonged exposure to sunlight can cause its color to fade.
  3. What are the uses of obsidian? Obsidian is used for making tools, decorative objects, and jewelry due to its sharp edges and aesthetic appearance.
  4. Are obsidian and black onyx safe to wear? Yes, both gemstones are generally safe to wear and are popular choices in jewelry.