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2017 GTC/MME Open House:

2017 GTC MME Open House

2017 GTC / MME Open House:

Our 2017 GTC/MME open house offers our guests the rare opportunity for the public to take a behind the scenes look at our operations and the over 70,000 lbs. of real gemstones, minerals, fossils from as many as thirteen countries along with some of our educational display cases, and so much more that we store in our warehouse. I believe you will agree that the experiences you will have during your visit will truly “rock”, that is “crystal clear” to all of us… Of “quartz” it is..

Plus, you can take full advantage of an incredible selection of minerals, fossils, salt lamps, candle holders, and so much more all available to purchase at “rock bottom” low pricing too ! You wont want to miss this!

Where we are located:

Our warehouse is located just north of the Montgomery county / Frederick County line between 270 and 355 and just south of Urbana in Ijamsville, MD. We will send out the full address and satellite view of the complex when you place your reservations

Reservations required, no walk ups!

Reservations are required (NO WALK UPS!) and space is very limited. It is FREE to attend this year, but we do appreciate and encourage any and all donations of materials, lapidary equipment, and funds to help support our educational program efforts.

NOTE: These are all “reservations required" sessions (NO WALK UPS!) Space is very limited! If you cannot make a session you have a reservation for, please notify us at least 24 hours in advance to allow others on waiting lists to be invited to attend. No shows were a huge and costly problem for us in 2016 which almost resulted in us not having an open house this year.

dates, times, and how to place reservations:

Instructions: Please review session options below and submit your reservation requests for your 1st & 2nd options along with the total number of guests and notes (if any) via email to . We will confirm which session we have you registered for and send you an “official invitation”, along with special instructions and directions to our Open House event.

(NOTE: This email address of will only be active prior to and during our open house event. Once the event is over, the email address will be deactivated to reduce issues with spam)

Sunday December 17th is the last day!
Any new reservations must be in by or before 7am Sunday morning


Sunday December 17th:

Session 7: 11:00 am (still accepting reservations)

NOTE: Reservations required via email at


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