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

Semi-Precious Stones Guide

Village Silversmith

Earth Science Lessons

Geology.com

Backyard Geology

Dragonfire Tools - Metal Detecting

Kidzrocks

Mindatnh

Precision Gemcutting

The-Vug

NHGS

Chemistry of Carbon

The Walsh Brothers

The Dead Bug in Amber

SWD Gems

Casoro Jewelry Safes

RockTumbler

Brad Lewis Rock Shop

Mining Terms Explained A to Z

Mindat

Pices Trading

Maine Mineralogical & Geological Society

USGS Education Page

Coromoto Minerals
Rock Collecting and Geology Basics

Rock Collecting & Geology Basics

InfoMine

Natures Finest Creations

Metal Detector Site

Home Hobbies: Rock Collecting

Beyond 4C's

Detect History

EarthHow