Montana Agate Shack

Montana Agate Shack Montana Agate Shack is a store located in Forsyth Montana. Offering agates, classes and guided trips.

Sold out!Books are back!The Yellowstone Rock Hound is a in-field guide to the different rocks and gems found on the East...
08/01/2026

Sold out!

Books are back!

The Yellowstone Rock Hound is a in-field guide to the different rocks and gems found on the Eastern Yellowstone River.

$15 + 5 to ship.

Please shoot me a message with address.

50 available.

Oct 6th open 9am 1 spot available 1pm fullOct 7th openOct 8th open 9am open 1pm fullOct 9th open 9am 1 spot available 1p...
07/29/2026

Oct 6th open 9am 1 spot available 1pm full
Oct 7th open
Oct 8th open 9am open 1pm full
Oct 9th open 9am 1 spot available 1pm full
Oct 10th Full

Oct 20th open
Oct 21st open
Oct 22nd open
Oct 23rd open
Oct 24th open Full

Helena/Great Falls Lapidary Classes.Hello everyone! I am looking at putting on lapidary classes in October in Helena/Gre...
07/27/2026

Helena/Great Falls Lapidary Classes.

Hello everyone! I am looking at putting on lapidary classes in October in Helena/Greatfalls.

Helena: October 6th-10th

Great Falls: October 20th-24th

2 people, 2 classes per day @ $150 per person.

Cab or specimens.

Classes would be an average of 4 hours.

All equipment/rocks provided. Or bring your own.

Classes would consist of.

Candeling
Cutting
Slabbing
Trimming
Cabbing/Specimens
Polishing

Please let me know if there would be any interest!

Will look at doing some in possible other areas such as Billings, Bozeman and Sheridan as well.

Opening this Friday!
07/15/2026

Opening this Friday!

06/22/2026

Avon Montana Thunder Eggs! What an amazing experience this was. Looking forward to the next adventure!!!

Make plans, next weekend in Sheridan!
04/26/2026

Make plans, next weekend in Sheridan!

Have a few dates available in April, before high water.April 14, 15,16, 20, 21, 29 and 30.If your interested please shoo...
04/03/2026

Have a few dates available in April, before high water.

April 14, 15,16, 20, 21, 29 and 30.

If your interested please shoot me a message.

Tumbling MT Agates for sale!$5 a pound. 500 pounds available. Guaranteed to have color.$2 a pound if you like the plain ...
03/31/2026

Tumbling MT Agates for sale!

$5 a pound. 500 pounds available.

Guaranteed to have color.

$2 a pound if you like the plain jane little to no color. Makes great media.

Orders over 20 pounds will receive FREE SHIPPING.

Orders under 11 pounds, $10 to ship. 19 pounds $20 to ship.

Venmo, PayPal and CC accepted.

Shoot me a message if your interested!

Thanks for looking.

4th annual Sindey (MT) gem and mineral show is coming up soon! Here is the flier and a list of vendors. Hope to see ya t...
03/13/2026

4th annual Sindey (MT) gem and mineral show is coming up soon! Here is the flier and a list of vendors. Hope to see ya there.

03/05/2026

Check it out! Book a trip! Find some agates!

Address

182 North 8th Avenue
Forsyth, MT
59327

Opening Hours

Monday 11am - 5pm
Tuesday 11am - 5pm
Wednesday 11am - 5pm
Thursday 11am - 5pm
Friday 11am - 5pm

Website

Alerts

Be the first to know and let us send you an email when Montana Agate Shack posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Montana Agate Shack:

Shortcuts

Share

Category