Here are some links that might prove to be quite interesting. The images that you see come from the corresponding sites that you will be visiting. They are full of information that I'm sure you will find useful if you are a serious collector, or if you are simply curious about the wonderful subject of mineralogy.
Michael Dyber Infinite Design
Bob's Rock Shop
New England Mineral Association
The Mineral Gallery
Toveco
Gem Mining / Franklin, NC
Maine Mineral Museum
Village Silversmith
Earth Science Lessons
Geology.com
Backyard Geology
Dragonfire Tools - Metal Detecting
Detecting School