Keene Mineral Club
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Welcome fellow rockhounds!
Founded in 1948, the Keene Mineral Club, based in Keene, New Hampshire, USA, is an active group of collectors united by a common bond: a love of collecting minerals. Our interests cover the full spectrum: crystals, minerals, gems, lapidary, micromounts, fossils and more. All ages are welcome: our members range in age from 6 to 80. Anyone with an interest in any aspect of the rock, mineral and fossil hobby is encouraged to join us.
Everyone is welcome to our Monthly Meetings, October-May. For more information, see our Membership page.
Founded in 1948, the Keene Mineral Club, based in Keene, New Hampshire, USA, is an active group of collectors united by a common bond: a love of collecting minerals. Our interests cover the full spectrum: crystals, minerals, gems, lapidary, micromounts, fossils and more. All ages are welcome: our members range in age from 6 to 80. Anyone with an interest in any aspect of the rock, mineral and fossil hobby is encouraged to join us.
Everyone is welcome to our Monthly Meetings, October-May. For more information, see our Membership page.
Public Events
Public events include gem and mineral shows, auctions, swap events, lectures, courses, etc.
KMC Field Trips and private events are listed on the For Members page.
May 2, 2026 (Saturday) - KMC Annual Rock & Mineral Auction!
2:00 pm
-Lots of amazing specimens collected by our members.
-There will be both a silent auction and a live auction.
-Bring cash or check.
Location: MC2 Charter School, 310 Marlboro Street #115, Keene NH
Entrance is on the right side of the building, but park on the street or to the left of the building, or risk being towed.
You won't want to miss this event. We hope to see you there!
Recurring Events
We keep the full calendar year posted, even with past events, so you can anticipate next year's events. For events whose dates have not yet been finalized for the current year, to our knowledge, we will colorize the year to make it stand out as needing updating.
We keep the full calendar year posted, even with past events, so you can anticipate next year's events. For events whose dates have not yet been finalized for the current year, to our knowledge, we will colorize the year to make it stand out as needing updating.
March 21-22, 2026 - Western Mass Mineral, Jewelry & Fossil Show
https://www.cvmineralclub.org/copy-of-2023-cvmc-show-page
Sat 9:30-5; Sun 9:30-3:30
$5pp; 12 and under, free. Free parking. Free sample for children.
Castle of Knights Meeting House, 1599 Memorial Dr., Chicopee, MA
https://www.cvmineralclub.org/copy-of-2023-cvmc-show-page
Sat 9:30-5; Sun 9:30-3:30
$5pp; 12 and under, free. Free parking. Free sample for children.
Castle of Knights Meeting House, 1599 Memorial Dr., Chicopee, MA
May 2-3, 2026 - North Shore Gem and Mineral Show
https://www.villagesilversmith.net/events/new-england-gem-amp-mineral-show
Topsfield Fairgrounds, 207 Boston Rd., Topsfield, MA. 10am-5pm.
https://www.villagesilversmith.net/events/new-england-gem-amp-mineral-show
Topsfield Fairgrounds, 207 Boston Rd., Topsfield, MA. 10am-5pm.
May 8-10, 2026 - International Gem and Mineral Show
https://xpopress.com/show/profile/1037/international-gem-jewelry-show-marlborough
Royal Plaza Trade Center, 181 Boston Post Rd. West, Marlborough, MA
Friday, 12pm-6pm
Saturday, 10am-6pm
Sunday, 11am-5pm
$6 online/ $8 on site
Military, Schools, & Wholesale - Free
Children Under 9 Not Permitted
Free ample parking
No photography; Age minimum: 10
https://xpopress.com/show/profile/1037/international-gem-jewelry-show-marlborough
Royal Plaza Trade Center, 181 Boston Post Rd. West, Marlborough, MA
Friday, 12pm-6pm
Saturday, 10am-6pm
Sunday, 11am-5pm
$6 online/ $8 on site
Military, Schools, & Wholesale - Free
Children Under 9 Not Permitted
Free ample parking
No photography; Age minimum: 10
May 9-10, 2026 - Southeastern New Hampshire Mineral Club Rock, Gem, and Mineral Show
https://www.senhmc.org
https://www.senhmc.org
May 15-17, 2026 - New England Mineral Conference
https://www.nemineral.org/annual_conference/#about
Sunday River Grand Summit Hotel, Newry, ME
- Pre-register by May 1, 2026 for discounted rates
https://www.nemineral.org/annual_conference/#about
Sunday River Grand Summit Hotel, Newry, ME
- Pre-register by May 1, 2026 for discounted rates
May 16-17, 2026 - Southern Vermont Mineral & Gem Show
https://xpopress.com/show/profile/750/southern-vermont-mineral-rock-gem-show
Grace Christian School, 104 Kocher Dr., Bennington, VT
https://xpopress.com/show/profile/750/southern-vermont-mineral-rock-gem-show
Grace Christian School, 104 Kocher Dr., Bennington, VT
May 30, 2026 - Boston Mineral Club Annual Auction
https://bostonmineralclub.org/events/auctions/
10 AM - 5 PM
295 California St
American Legion Nonantum Post 440
Newton, MA
https://bostonmineralclub.org/events/auctions/
10 AM - 5 PM
295 California St
American Legion Nonantum Post 440
Newton, MA
June 27-28, 2026 - Gilsum Rock Swap and Mineral Show
https://gilsum.org/rockswap/
"Gilsum Elementary School and Community Center, 640 Route 10 in Gilsum, NH
Hours: 8:00 a.m. – 6:00 p.m. Saturday // 8:00 a.m. – 4:00 p.m. Sunday
This is an outdoor event, under canopies, held rain or shine. "
The Gilsum Rock Swap features more than 68 dealers and swappers with gems, jewelry and minerals available for sale or trade in scenic southwestern NH. Pan for minerals, enjoy an old fashioned New England ham and bean dinner with home made pies, sit down for a Chicken Barbecue lunch and more. Admission is free, although donations are graciously accepted. All proceeds go to youth recreation and community programs."
https://gilsum.org/rockswap/
"Gilsum Elementary School and Community Center, 640 Route 10 in Gilsum, NH
Hours: 8:00 a.m. – 6:00 p.m. Saturday // 8:00 a.m. – 4:00 p.m. Sunday
This is an outdoor event, under canopies, held rain or shine. "
The Gilsum Rock Swap features more than 68 dealers and swappers with gems, jewelry and minerals available for sale or trade in scenic southwestern NH. Pan for minerals, enjoy an old fashioned New England ham and bean dinner with home made pies, sit down for a Chicken Barbecue lunch and more. Admission is free, although donations are graciously accepted. All proceeds go to youth recreation and community programs."
July 3-5, 2026 - International Gem and Mineral Show
https://www.intergem.com/events/upcoming-shows/marlborough-ma-jewelry-show-july-3-5-2026
Royal Plaza Trade Center, 181 Boston Post Rd. West, Marlborough, MA
Friday, 12pm-6pm
Saturday, 10am-6pm
Sunday, 11am-5pm
$6 online/ $8 on site
Military, Schools, & Wholesale - Free
Children Under 9 Not Permitted
Free ample parking
No photography; Age minimum: 10
https://www.intergem.com/events/upcoming-shows/marlborough-ma-jewelry-show-july-3-5-2026
Royal Plaza Trade Center, 181 Boston Post Rd. West, Marlborough, MA
Friday, 12pm-6pm
Saturday, 10am-6pm
Sunday, 11am-5pm
$6 online/ $8 on site
Military, Schools, & Wholesale - Free
Children Under 9 Not Permitted
Free ample parking
No photography; Age minimum: 10
July 18-19, 2026 - 45th Annual Champlain Valley Gem, Mineral & Fossil Show
https://www.burlingtongemandmineralclub.org/show.html
Saturday, 10am-5pm
Sunday, 10am-5pm
Demonstrations, exhibits, a fish pond for kids, fossil and mineral identification, hourly door prizes, raffle, and silent auctions. Refreshments available. Free parking.
CHAMPLAIN VALLEY EXPOSITION
Expo North Building, 105 Pearl Street, Essex Junction, Vermont 05452
ADMISSION: Adults $5; Seniors 60 and over $3; Kids under 16 FREE with paying adult
TICKETS available at the event; Cash payment preferred
For more information: email [email protected]
https://www.burlingtongemandmineralclub.org/show.html
Saturday, 10am-5pm
Sunday, 10am-5pm
Demonstrations, exhibits, a fish pond for kids, fossil and mineral identification, hourly door prizes, raffle, and silent auctions. Refreshments available. Free parking.
CHAMPLAIN VALLEY EXPOSITION
Expo North Building, 105 Pearl Street, Essex Junction, Vermont 05452
ADMISSION: Adults $5; Seniors 60 and over $3; Kids under 16 FREE with paying adult
TICKETS available at the event; Cash payment preferred
For more information: email [email protected]
August 14-16, 2026 - East Coast Gem, Mineral and Fossil Show
https://www.easternstatesexposition.com/events/2022/east-coast-gem-mineral-fossil
Eastern States Exposition, Better Living Center, West Springfield, MA
Gate 1 - 1649 Memorial Avenue
Gate 2 - 1535 Memorial Avenue
Gate 9 - 875 Memorial Avenue
Dates and Times: Friday & Saturday 10am-6pm
Sunday 10am-5pm
Admission: Adults $10
Children under 12: Free with paid adult
Parking: $5 (collected by ESE Fairgrounds)
https://www.easternstatesexposition.com/events/2022/east-coast-gem-mineral-fossil
Eastern States Exposition, Better Living Center, West Springfield, MA
Gate 1 - 1649 Memorial Avenue
Gate 2 - 1535 Memorial Avenue
Gate 9 - 875 Memorial Avenue
Dates and Times: Friday & Saturday 10am-6pm
Sunday 10am-5pm
Admission: Adults $10
Children under 12: Free with paid adult
Parking: $5 (collected by ESE Fairgrounds)
August 29-30, 2026 - Capital Mineral Club Show
https://www.capitalmineralclub.org/
Everett Arena, 15 Loudon Rd., Concord, NH
8/23: 9-5
8/24: 10-4
Adults: $5.Under 12 free with adult.
https://www.capitalmineralclub.org/
Everett Arena, 15 Loudon Rd., Concord, NH
8/23: 9-5
8/24: 10-4
Adults: $5.Under 12 free with adult.
September 14, 2025 - Berkshire Mineral Club Annual Gem, Mineral & Fossil Show
<We have not yet seen a date for a 2026 event>
Facebook: NorthernBerkshire MineralClub
American Legion #125
91 American Legion Dr.
North Adams, MA
10-5
"See and purchase quality mineral specimens, hard to find gems and fossils and a wide assortment of hand crafted jewelry. The show will feature great raffle items and a door prize of a HUGE Amethyst Cluster."
<We have not yet seen a date for a 2026 event>
Facebook: NorthernBerkshire MineralClub
American Legion #125
91 American Legion Dr.
North Adams, MA
10-5
"See and purchase quality mineral specimens, hard to find gems and fossils and a wide assortment of hand crafted jewelry. The show will feature great raffle items and a door prize of a HUGE Amethyst Cluster."
September 16-20, 2026 - Maine Pegmatite Workshop
https://mainemineralmuseum.org/maine-pegmatite-workshop/
"The Maine Pegmatite Workshop brings participants through a hands-on, comprehensive, and in-depth educational experience. Presenting current information and theories about pegmatite paragenesis, mineralogy, and petrology, the workshop encourages open discussion and one-on-one information exchange with seasoned faculty. Throughout the workshop, participants will be guided from the basics through to the current theories and research, side-by-side with some of the top pegmatologists in the world."
https://mainemineralmuseum.org/maine-pegmatite-workshop/
"The Maine Pegmatite Workshop brings participants through a hands-on, comprehensive, and in-depth educational experience. Presenting current information and theories about pegmatite paragenesis, mineralogy, and petrology, the workshop encourages open discussion and one-on-one information exchange with seasoned faculty. Throughout the workshop, participants will be guided from the basics through to the current theories and research, side-by-side with some of the top pegmatologists in the world."
October 4, 2025 - The South Acworth's MistAcres' Community Harvest Festival
https://www.facebook.com/NEMMrocks/
<We have not yet seen a date for a 2026 event>
New England Mineral Museum, 764 Rt 123A, South Acworth, NH
4pm-9pm
$10; $8 65+/student; Under 13 free
https://www.facebook.com/NEMMrocks/
<We have not yet seen a date for a 2026 event>
New England Mineral Museum, 764 Rt 123A, South Acworth, NH
4pm-9pm
$10; $8 65+/student; Under 13 free
October 16-18, 2026 - The Montreal Gem and Mineral Club Annual Gem and Mineral Show
https://montrealgemmineralclub.ca/en/annual-show/
Palais de Congres, 1001, Place Jean-Paul Riopelle, Metro Place d'Armes
Friday, 12pm-9pm
Saturday, 10am-7pm
Sunday, 10am-5pm
$10; $8 65+/student; Under 13 free with accompanying adult
https://montrealgemmineralclub.ca/en/annual-show/
Palais de Congres, 1001, Place Jean-Paul Riopelle, Metro Place d'Armes
Friday, 12pm-9pm
Saturday, 10am-7pm
Sunday, 10am-5pm
$10; $8 65+/student; Under 13 free with accompanying adult
November 22-23, 2025 - Worcester Mineral Gem Fossil & Jewelry Show
https://worcestermineralclub.org/
<We have not yet seen a date for a 2026 event>
Location:
Sunday, 10am-4pm
$6; $5 senior/student; Under 13 free; Scouts in uniform free.
Concessions and vending. School has limited parking.
https://worcestermineralclub.org/
<We have not yet seen a date for a 2026 event>
Location:
- 50 Lincoln St, Webster, MA
- Inside the St. Joseph School
Sunday, 10am-4pm
$6; $5 senior/student; Under 13 free; Scouts in uniform free.
Concessions and vending. School has limited parking.
Rockhounding Humor (Courtesy AFMS):
Could this be you??:
https://www.amfed.org/rockhounding/rockhound-humor
Auctions and Swaps
