We look forward to supplying you with one of our high quality crystals.  Our current inventory includes BNA, BNA-S, DAST and PNPA in a variety of sizes.  Each crystal purchase comes with 30 minutes of consultation service from an industry expert via phone or email.  Additional consultation services can be purchased as needed.  We pride ourselves in helping you find the right crystal for your research and industry needs.  Contact us for pricing and questions.