Specialized trades, such as a plumbing or electrical work, require licensing, so check with your local licensing agency to see if the handyman is properly licensed, should your project require one. If he or she isnât licensed, you'll need to hire a specialized contractor who is.
Depending on the shade of green, an emerald can very well cost more than a diamond! Emeralds that are a deep shade of green with good clarity can cost twice as much as a diamond of the same carat. Rachel Â· 3 years ago.
On the Mohs scale of hardness Emeralds can range from a 7.5 to an 8. The emerald s green color is caused by the presence of chromium and iron. Emerald is a variety of green beryl whose chemical formula is Al2Be3Si6O18. Most of the world s emeralds are found in Columbia, Brazil, and Zambia.