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Fine Gem, Mineral, and Crystal Specimens for the Discriminating Mineral Collector

Thank you for visiting. We feature hundreds of top quality mineral specimens and related items, from thumbnail through cabinet sizes, in all price ranges! Whether you are a beginning rockhound or an experienced mineralogist or mineral collector, you will find a world-class selection of gem and mineral specimens here, along with collecting tools, supplies and accessories.

Our Latest Specimens

Here are some of our most recently added specimens.

View our most recently added mineral specimens.

Don't Forget!

While you are here, be sure to subscribe to our electronic mailing list to receive important announcements of new specimens when they are added to our inventory.

Or, simply enter your email address below and press "Subscribe".

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All Charlie Key Collection Specimens Reduced by 25%!

February 20, 2009 - We have just reduced the price of all of our mineral specimens from the Charlie Key Collection.

These are world-class mineral specimens (Amethyst, Aquamarine, Calcite, Demantoid, Dioptase, Elbaite, Ettringite, Fluorite, specular Hematite, Kutnahorite, twinned Microcline, Prehnite, Rhodochrosite, Schorl, and others) from this renowned African mineral collector, from famous localities such as the Erongo Mountains, the Kalahari Manganese Field (Wessels and N'Chwaning Mines), Brandberg, Riemvasmaak, and Kaokoveld. Don't miss them! See them now!

We Now Offer Gift Certificates!

Don't have time to shop for your favorite rockhound? The solution is easy! Just buy them a Gift Certificate using the button below. You can choose to have it sent via email or print it out and deliver it personally. They are available in amounts from $25.00 up and do not expire!

Don't see what you want? See something you want, but in a different size or price range? Send us an email. We have over 2000 specimens in inventory, of which perhaps 10% are online at any given time. If we don't have what you are looking for, we can find it for you!

We have recently acquired a significant portion of the Charlie Key Collection of African Minerals!

There are almost 800 mineral specimens from the Erongo Mountains, Kaokoveld, Brandberg, Wessels, N'Chwaning, Tsumeb and many other world-famous localities!

These are truly world-class pieces! View a sampling and read all about them here!


Please take the time to browse the exceptional and unique items available in our extensive inventory! Also, our mineral galleries now feature an amazing new 3D image wall. Don't miss it. It's simply amazing!

Visit our Mineral Galleries now.


We want you to be completely satisfied with any purchase you make from us! Therefore we offer a no questions asked return policy on all of your online purchases.

Our Mission

To establish a long-term relationship with mineral collectors and lapidaries seeking the highest quality specimens and other items at affordable prices.

Read more about our history here.

Contact Information

OBG International Gems & Minerals
Green Valley, Arizona
Email: corson@infodyn.com
Webmaster: webmaster@infodyn.com

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Last modified: 11/28/13