Golden

[Carlo Alciati]

DGMG Jewelry Gem & Mineral Show
http://denvergem.org/Shows.html
Organized by the Denver Gem and Mineral Guild (http://denvergem.org/)

22-24 february 2019

Jefferson County Farirgrounds
15200 W. 6th Ave., Golden, Colorado 80401, USA

Also see:
https://xpopress.com/show/profile/220/dgmg-jewelry-gem-mineral-show

[Frank de Wit]

Minerals from the Metallic Ore Deposits of the American Southwest - symposium
no website yet?
Sponsored by the Friends of Mineralogy Colorado Chapter (http://www.strahlen.org/forum/index.php/topic,10466.0.html), the Colorado School of Mines Geology Museum and the Friends of the Colorado School of Mines Geology Museum (http://www.strahlen.org/forum/index.php/topic,5509.0.html)

4-5 august 2018

tbd
Golden, Colorado

Also see:
https://www.mindat.org/mesg-62-436365.html

[Bert de Ruiter]

Mineral fair
No website?
Organized by the "Denver Area Mineral Dealers" No website?

16-18 november 2018 ?
17-19 november 2017
18-20 november 2016

Jefferson County Fair Grounds Exhibit Hall
15200 W. 6th Ave., Golden, Colorado, USA

Source: http://www.rockngem.com/ShowDatesFiles/ShowDatesDisplayAll.php?ShowState=CO

[Frank de Wit]

Mineral fair
No website?
Organized by the "Denver Area Mineral Dealers" No website?

20-22 november 2015
14-16 november 2014
1-3 november 2013

Jefferson County Fair Grounds Exhibit Hall
15200 W. 6th Ave., Golden, Colorado, USA

Also see:
http://brightstargemstones.com/showdates.htm
http://jeffco.us/fairgrounds/fairgrounds/d01/11/2014?display=M&style=B&positioning=A
http://www.the-vug.com/vug/vugshows.html