For U.S. Treasuries traded with a Fidelity representative, $19.95 per trade. Fixed income trading requires a Fidelity brokerage account with a minimum opening balance of $2,500. Rates are for U.S. Dollar denominated bonds, additional fees and minimums apply for non-Dollar bond trades.
A group of minerals containing various amounts of the elements Silicon and Oxygen. The Silicates are the largest group of minerals. The construction component of all Silicates is the tetrahedron, which is one Silicon atom equidimensionally placed around four Oxygen atoms.
Silicon. Silicon is a mineral associated with youth as the ratio of silicon to calcium in the body is highest when we are young. The highest concentrations of silicon in the body are found in the hair and nails, but it is also associated with healthy skin, bones, and teeth.ilicon is a mineral associated with youth as the ratio of silicon to calcium in the body is highest when we are young.