Request InfoMeller Optics Inc.Meller Sapphire Prisms feature Mohs 9 hardness, which is second only to diamond, and are offered in various equilateral, right-angle, trapezoid, and triangle configurations fabricated to OEM specifications. Ideal for use in demanding applications and harsh environments, sapphire is chemically inert and a far more durable replacement for glass or quartz.See full productRelated content from Photonics Media