Diamonds are popular not only because of their beauty and the prestige of being adorned with something that says so publicly, I have money but also because they are tough and durable. Diamonds are the hardest natural material we know of. Diamonds arent just jewelry, however. Their great dispersion of light as well as their toughness make them exceptional handy for industrial applications as well.
Diamonds make top notch abrasives. Scratching diamonds is impossible without the use of other diamonds, fullerite that is ultrahard, or Borazon. For this reason diamonds hold their polish very well and keep their luster. Every year 130 million carats of diamonds are mined, worth $9 billion dollars. Many million carats of synthetics are created as well.
The word diamond comes from the ancient Greek word adamas, which means invincible. Diamonds have long been treasured, and even revered as religious icons back in ancient India. They were used as tools for engraving from the very first recorded history of humans. Since the 19th century diamonds have become even more popular, not only because they are in greater supply, but because polishing and cutting tools and techniques...