Chromium Oxide segmentation by type distinguishes four commercially relevant grades: Green Chromium Oxide (Cr₂O₃), Brown Chromium Oxide (Cr₂O₃·2H₂O), Mixed‑oxide blends, and Nano‑structured Chromium Oxide. Green Cr₂O₃ represents the bulk of production, exceeding 70 % of total volume, because of its superior color stability, high purity, and cost‑effective synthesis via the Bayer or precipitation routes. Brown Chromium Oxide, accounting for roughly 15 % of output, is valued for its lower tinting strength and suitability in specialty pigments, ceramics and as a corrosion‑resistant additive in rubber compounds. Mixed‑oxide blends, typically 10 % of the market, combine green and brown phases to achieve tailored optical properties for automotive coatings and high‑performance plastics. The emerging nano‑structured variant, currently under 5 % share, commands a premium price due to its enhanced surface area, enabling applications in catalysis, energy‑storage electrodes and advanced coatings. The relative weight of each type directly influences the overall Chromium Oxide market size, with the dominance of green oxide anchoring revenue while niche grades drive incremental growth in high‑value segments.