Black Onyx vs. Black Sapphire: Key Differences Explained

Discover the key differences between black onyx and black sapphire in jewelry, including value, durability, and appearance.

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Black onyx is a type of chalcedony stone, often used in jewelry, known for its smooth, opaque appearance. It is relatively softer compared to other precious stones. On the other hand, black sapphire is a variety of the corundum mineral, recognized for its high durability and reflective properties. It tends to be more valuable due to its hardness (9 on the Mohs scale), making it suitable for everyday wear.

FAQs & Answers

  1. Is black onyx more durable than black sapphire? No, black sapphire is more durable with a hardness of 9 on the Mohs scale, while black onyx is softer.
  2. Can black onyx be used for everyday jewelry? Yes, black onyx can be used for everyday jewelry, but it's softer than black sapphire, which is more suitable for daily wear.
  3. What are the main uses of black onyx? Black onyx is often used in jewelry, cabochons, and decorative items due to its opaque appearance.
  4. How much does black sapphire typically cost? Black sapphire can vary in price significantly, typically being more expensive than black onyx due to its rarity and durability.

Watch More

For more insights on gemstones, check out our articles on the best practices for gemstone care and comparisons between other popular stones like emerald and ruby.

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