NASA Ames is named in honor of Joseph Sweetman Ames, a physicist and one of the founding members of NACA. At last estimate NASA Ames has over US$3.0 billion in capital equipment, 2,300 research personnel and a US$860 million annual budget.
Beryl, the mineral of which emerald is a variety, has a chemical composition of Be 3 Al 2 (SiO 3) 6. When pure, beryl is colorless and known as goshenite.. Trace amounts of chromium or vanadium in the mineral cause it to develop a green color.
What is the history of emeralds? Emerald is derived from a Persian word meaning green gem. It changed from Greek to Latin as smaragdus, then to esmaurde, esmralde, and in the 16th century to esmeralde. Emeralds are ancient gemstones. According to the oldest book in the world, the Papyrus Prisse, But good words are more difficult to find than the emerald, for it is by slaves that it is discovered among the rocks.. This book is 4500 years old, but the passage was copied from a writing 1000 years earlier.