Denver Gem & Mineral Guild

The Original Denver Gem and Mineral Show Coming September 15-18, 2023!

Each September, seven Denver area mineral and fossil clubs join forces to present the Denver Gem and Mineral Show

The 2023, Denver Gem and Mineral Show will be held in conjunction with the Hardrock Summit, at the Colorado Convention Center,

700 14th St. Denver, Colorado.

Friday – Sunday – 10 am – 6 pm,    Monday 10 am – 3 pm.

This Year’s Theme

Gem Minerals:
Nature’s Bling!

Denver Council Logo

All the Hardrock Summit’s associated shows will be at the Colorado Convention Center in 2023, including AGTA Gem Fair, Evolution, Sparkle & Joy, and the Denver Gem & Mineral Show.  We are grateful for the opportunity to be part of the Hardrock Summit again in 2023. This year’s show will be bigger and better than ever.
We are planning on having dealers, display cases from several museums PLUS some rarely seen minerals from several private collectors, fluorescent room, speakers, gold panning, educational booths, live demonstrations by skilled  lapidary artists, gem and mineral identification, Mr. Bones, great door prizes, and more!


General Public Tickets for the HardRock Summit are at no cost. We will be happy for any donation to the Denver Gem & Mineral Show located near their information booth on the upper floor. Skip he registration lines and . . .


For the latest news, visit the official Denver Gem and Mineral Show Page . . .

. . . and the official Hardrock Summit Page

Banner - Prepare to be Amazed

The 2023 Denver Gem & Mineral Show will feature . . .


Mineral Displays

The show will include displays from several Museums across the country, PLUS seldom seen specimens from the collections of notable private collectors.


See Rocks Glow!

Some minerals have an amazing physical property known as “fluorescence.” They have the ability to temporarily absorb UV light that is invisible to the human eye and then release light of a different visible wavelength. Fluorescent Mineral Society


Free Gold Panning

Try your hand at gold panning and just maybe bring home some real gold! – The Phoenix Gold Mine



Gem Cutters and Lapidary Artists

See skilled gem cutters and lapidary artists at work. Learn about the art of faceting gemstones and turning rough stones into works of art.




Gem & Mineral Identification

Always wondered what that gem, rock or mineral in your collection is? Find out! Bring it to the show and let our experts identify it for you.




Talk to local mineral clubs and organizations to learn about collecting areas,  activities, and upcoming rockhound events.




Mr. Bones

See Mr. Bones, the Paleo Puppeteer! In 1990, Timothy Seeber thought a dinosaur skeleton would make a great Halloween costume and he’s been touring the world, to the delight of kids of all ages, ever since. – See More



Quality Mineral Dealers

Check out our dealers for fine rocks, books, jewelry, fossils, and beautiful minerals from across the state and around the world.



2023 Speakers ListThe Denver Gem and Mineral Show features great presentations from top speakers.  Here is the list of speakers for the Hardrock Summit and DGMS. All Speakers will be located in Room 401 near the entrance to the Hardrock Show. 

Speaker Schedule

The Denver Gem and Mineral Show is just one part of the Hardrock Summit. Your ticket to the Hardrock Summit will admit you to all four shows:

  • The Denver Gem and Mineral Show – now in our 54th year!
  • Evolution – world-class, museum-quality minerals, Fossils, Meteorites, Gemstones & Jewelry
  • Sparkle & Joy – Jewelry and Gemstone wholesale show
  • AGTA GemFair – (only open to qualified industry professionals) the premier gem show for colored gemstones and cultured pearls 


three shows banner

See Pictures from the 2022 Denver Gem & Mineral Show: Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.

See pictures from the 2022 Hardrock Summit Gallery.

Hear what independant, 3rd party reviewers had to say about the 2022 Hardrock Summit . . .

Collect Rocks Day BannerDid You Know . . .

September 16th is the official Collect Rocks Day!

(I’m not making this up!)

Come Celebrate (and collect a few rocks) at the

Hardrock Summit!

This page last updated 8/26/2023

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