The type segmentation differentiates the market by crystal structure and processing route, each influencing performance and cost. Single‑crystal tiles, produced via the Czochralski method, command the highest price due to superior defect‑free lattices, making them suitable for high‑frequency RF components. Polycrystalline variants, grown by directional solidification, offer a balance of mechanical strength and thermal conductivity, serving most aerospace and automotive applications. Sintered tiles, fabricated through powder compaction and high‑temperature sintering, dominate volume production because of lower manufacturing complexity, addressing the bulk of electronics and energy uses. Coated tiles, where a thin high‑purity alumina layer is deposited on a substrate, provide tailored surface properties for medical devices and specialty optics. Collectively, these types allocate market share according to functional requirements and price sensitivity, reinforcing the overall market’s depth and resilience.