The metal is found in the Earth's crust in the pure, free elemental form (native silver), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. Most silver is produced as a byproduct of copper, gold, lead, and zinc refining. Silver has long been valued as a precious metal. Silver metal is used in many bullion coins, sometimes alongside gold: while it is more abundant than gold, it is much less abundant as a native metal.
Where are Sanibel Island and Captiva Island? Sanibel Island & Captiva Island are located off the coast of southwest Florida, just west of Fort Myers, Florida. Fort Myers is situated between Naples, FL and Tampa, Fl. The Fort Myers Airport, Southwest Florida International Airport (RSW airport code), is located approximately 20 miles away from Sanibel Island.
About Sanibel & Captiva Islands. Sanibel Island. Sanibel Island is beloved for its beautiful white-sand beaches, an abundance of seashells and the huge variety of wildlife that calls this Gulf coast island home.