News & Shows


Denver, Colorado

April 12 – April 14, 2024

Crowne Plaza – 15500 E 40th Ave, Denver, CO 80239

Nanjing, China

May 29 – June 2, 2024

A, B, C Hall, Nanjing International Exhibition Center – 88 Longpan Road, Nanjing


Denver, Colorado

September 12 – September 15, 2024

The Westin Westminster – 10600 Westminster Blvd, Westminster, CO 80020


May Showcase, Tucson Fine Mineral Gallery, Tucson, Arizona

May 10 – May 12, 2024
10am – 6pm

Get the latest news from the Collector’s Edge!

Here we cover recent collections we’ve acquired, specimen mining project updates, show reports, and educational articles we’ve written on mineral collecting and mineral localities.

You can read more about some of our specimen mining projects by clicking on the blog posts below.

What in the world is going on up at the mine?

I’ll tell you, but I have to go back a bit. The last detailed update posted on the website was in May of 2020. There had been some personnel changes, the weather was rough, there was still tons of rock to move, though hopes were high after the last two...

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Concerning Cataloging

Keeping track of your collection is important for so many different reasons like insurance purposes, remembering species, locations, and stories, and just knowing what you have. It also helps when you’re shopping and you’re not sure if you want to upgrade...

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How to Start A Mineral Collection

Most collectors begin with one special piece - either given to them, or something they came across at a shop or mineral show. Collectors can start when they're young, or at any age.There are so many different minerals and gems, in so many configurations, that anyone...

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Have a story or tidbit about your collection to share with the CE Community?