So that you can plan accordingly, Hampton Research will be closed Monday, May 25, 2026 and will reopen Tuesday, May 26, 2026. All orders received after Friday, May 22, 2026 3:00 PM (Pacific Standard Time) will be processed Tuesday, May 26, 2026. Each and every one of us at Hampton Research appreciates you using Hampton Research crystallization research tools. As always, best of success with your crystals!