The Dr. Buford L. Nichols Collection
Mineral Shows - Gem Shows
Black Hills Mineral & Mining Books
We Buy Mineral Collections
Your Mineral Want List
How to "Queue" (HOLD) your orders on Dakota Matrix
Mineral Maps and Books!
A list of Rock, Mineral and Gem Shows across the USA
Rock and Mineral Shows
All photos by Dakota Matrix and are Copyrighted © and may not be used without
permission. Copyright © 2017
- Dakota Matrix Minerals, Inc.
Privacy | Terms & Conditions
| Site Map
Please enable it in your browser's preferences, should you need assistance, follow