How margin works. The margin feature on your Schwab brokerage account allows you to access your available margin cash by placing a trade or withdrawing cash. Higher balances may be eligible for lower interest rates.
An iron sulfide mineral, Pyrite is commonly found around the world in a variety of geological formations, from sedimentary deposits to hydrothermal veins, and as a constituent of metamorphic rocks. It forms in masses, stalactites, grains, globes, striated cubes or twelve-sided pentagonal dodecahedral crystals.
Pyrite Beads Pyrite was once called fool's gold by miners, because so many mistook it for gold. Pyrite is actually iron sulfide and has an opaque, shiny, metallic luster.