Cobalt

Cobalt

Cobalt is a silver-white, lustrous, hard, brittle metal that is chemically active and rarely occurs uncombined in nature. It is, however, often found in meteoric metal. Cobalt compounds have been used for centuries to impart a rich blue color to glass, glazes, and ceramics. The element has been detected in Egyptian sculpture and Persian jewelry from the third millennium BCE. The word cobalt is derived from the German word for “goblin.” Why was the element thus named? More… Discuss

Advertisements

Leave a Reply: (What... You're shy?)

Please log in using one of these methods to post your comment:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s