1.

Emeralds are made up of?1. Carbon2. Gold3. Beryllium4. Silica

Answer» Correct Answer - Option 3 : Beryllium

The correct answer is Beryllium.

  • Emerald is a gemstone and a variety of the mineral beryl (Be3Al2(SiO3)6 colored green by trace amounts of chromium and/or sometimes vanadium.
  • Beryl has a hardness of 7.5–8 on the Mohs scale. 
  • Emerald is a cyclosilicate.
  • Most emeralds are highly included, so their toughness (resistance to breakage) is classified as generally poor. 
  • Its color varies from bluish-green to green.

World's Most Famous Gemstones:

  • The Hope Diamond 
  • Koh-i-Noor.
  • The Black Prince's Ruby.
  • Star of India.
  • Pearl of Lao Tzu.


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