A mixture of particles having the following chemical composition, in weight percentages on the basis of oxides: ZrO2 + HfO2 + Y2O3 + CeO2: the balance to 100%; 0% < = Al2O3 < = 1.5%; -an oxide, or "other oxide", other than ZrO2, HfO2, Y2O3, CeO2 and Al2O3: 0.5% to 12%; hfO2, Y2O3 and CeO2 are such that-1.8% < = Y2O3 < = 3% and-0.1% < = CeO2 < = 0.9%, the particle mixture comprising from 0.5% to 10%, based on the weight percentage of the particle mixture, of an oxide pigment wherein the content of oxides as "other oxides" and not included in the oxide pigment is less than 2%, based on the weight percentage of oxides, and wherein the content of the oxides as "other oxides" and not included in the oxide pigment is less than 1%, based on the weight percentage of oxides. More than 95% by weight of the oxide pigment particles consist of a material selected from the group consisting of:-one or more oxides of the perovskite structure, optionally completely or partially replaced with an equivalent amount of one or more precursors of these oxides,-oxides of the spinel structure, optionally completely or partially replaced with an equivalent amount of one or more precursors of these oxides, and-one or more oxides of the spinel structure, optionally completely or partially replaced with an equivalent amount of one or more precursors of these oxides. Element E is selected from the group GE (1) consisting of iron, chromium and mixtures of iron and chromium,-an oxide of rutile structure FO2, optionally substituted entirely or partially by an equivalent amount of one or more precursors of these oxides,-an oxide of hematite structure E2O3, the element E being selected from the group GE (1) consisting of iron, chromium and mixtures of iron and chromium,-an oxide of rutile structure FO2, and the element E being selected from the group GE (1). The element F is selected from the group GF (1) consisting of a mixture of tin and vanadium, a mixture of titanium and chromium and niobium, a mixture of titanium and chromium and tungsten, a mixture of titanium and niobium and manganese, a mixture of tin and chromium, a mixture of chromium and titanium and antimony, a mixture of nickel and antimony and titanium and mixtures thereof, and mixtures thereof.

一种颗粒混合物，具有以基于氧化物的重量百分比计的以下化学组成：‑ZrO2+HfO2+Y2O3+CeO2：至100％的余量；‑0％≤Al2O3≤1.5％；‑除了ZrO2、HfO2、Y2O3、CeO2和Al2O3之外的氧化物或“其他氧化物”：0.5％至12％；HfO2、Y2O3和CeO2使得‑1.8％≤Y2O3≤3％且‑0.1％≤CeO2≤0.9％，所述颗粒混合物包括以基于所述颗粒混合物的重量百分比计的0.5％至10％的氧化物颜料，其中，作为“其他氧化物”且不包括在所述氧化物颜料中的氧化物的含量是以基于氧化物的重量百分比计的小于2％，所述氧化物颜料颗粒的大于95％的重量由选自以下的材料组成：‑钙钛矿结构的一种或多种氧化物，任选地完全或部分被等量的这些氧化物的一种或多种前体替代，‑尖晶石结构的氧化物，任选地完全或部分被等量的这些氧化物的一种或多种前体替代，‑赤铁矿结构E2O3的氧化物，元素E选自由铁、铬及铁和铬的混合物形成的组GE(1)，‑金红石结构FO2的氧化物，元素F选自由以下形成的组GF(1)：锡和钒的混合物、钛和铬和铌的混合物、钛和铬和钨的混合物、钛和铌和锰的混合物、锡和铬的混合物、铬和钛和锑的混合物、镍和锑和钛的混合物及其混合物，‑及其混合物。