So that you can plan accordingly, Hampton Research will close Monday September 7, 2026 and will reopen Tuesday September 8, 2026. All orders received after Friday September 4, 2026 3:30 PM (Pacific Standard Time) will be processed Tuesday September 8, 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!