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PAYMENT OPTIONS: See the Order Form for details. Approvals can be sent to customers who have established accounts, i.e., those who have done business with us in the past, and/or those who have their credit card number on file with us. We accept payments by credit cards, bank drafts drawn in U.S. dollars, personal checks if drawn on U.S. banks (Allow 10 days to clear), money orders, or cash (U.S. dollars only).

SALES TAX: Arizona residents only -- please add the sales tax applicable to your area. If purchasing for resale, please supply us with your Resale Number (Tax ID Number).

SHIPPING CHARGES: All prices are given FOB Gilbert, AZ. Please specify on the Order Form, or let us know when you email or call, how you prefer to have your order shipped. Options are listed on the Order Form. We will ship your order and invoice you for the exact amount of the shipping charges (NO handling charges added!).
  We ship anywhere -- worldwide!


  • Items that are special ordered are not returnable. 
  • Instruments, equipment, boxes and stands are returnable with 15% restocking fee when returned in original condition and factory packaging.  Items not returned in original condition and packaging are not accepted. 
  • Exchanges are not subject to a restocking fee.
  • All other items are returnable for full refund when returned in original condition. 
  • Customer is responsible for all shipping charges.
  • An RMA must be requested within 10 days of receipt of order for all returns.

SUGGESTION: Download and print out a copy of the FAX / SNAIL MAIL Order Form for future reference -- it has a lot of handy information you may wish to refer to, or keep on file, regarding how to place orders in the future.


For more than 60 years, our number one priority at Mineralogical Research Company has been to gain the trust and satisfaction of our customers. This is accomplished by offering quality products as well as exceptional, personalized service. Our goal is to please you, so you will not only purchase from us now, but many times in the future as well. We offer an unconditional, no-hassle, money back guarantee on each order. If you are not totally satisfied with something you have ordered, for whatever reason, please feel free to return it. As long as returns are made within 10 days of receipt, and the item you are displeased with is not altered in any way from the condition in which it was shipped, we'll gladly exchange it or give you a refund (less the shipping charges).  Please see return policy above.

We value your opinion, and if you care to offer any suggestions about what you would like to see on the MRC web site, or how we can improve our presentation, please let us know! Your suggestions are important to us!


Copyright 1998-2020 by Mineralogical Research Co.
All rights reserved.