A method of forming a ceramic body comprising: forming a mixture comprising: a first powder material comprising silicon carbide and having a first average particle size of not greater than 10 microns, and at least 0.1 microns; and a second powder material comprising silicon carbide and being different than the first powder material, wherein the second powder material has a second average particle size less than the first average particle size, wherein the second powder material has an aluminum content greater than an aluminum content of the first powder material, and wherein the mixture comprises a ratio (PM1/PM2) of the content (wt%) of the first powder material to the second powder material of at least 1.1, and not greater than 8; forming a green body from the mixture; and sintering the green body in an inert atmosphere at a sintering temperature of at least 1600°C, and not greater than 2200°C, and forming a ceramic body comprising: a first type of grain including silicon carbide and having an average grain size of not greater than 8 times the first average particle size; and a second type of grain including silicon carbide and having a second average grain size of at least 1.1 times the average grain size of the first type of grain, wherein the second type of grain has an elongated structure, wherein the second type of grain has an average aspect ratio of at least 2, wherein the aspect ratio is a measure of length to width, and length is longer than width, wherein the ceramic body comprises an aluminum content from at least 100 ppm to not greater than 800 ppm and comprises a second type of grain concentration of not greater than 34 per mm 2, and at least 4 per mm 2; and wherein a ratio of a content of the first type of grain to a content of the second type of grain is not greater than 3 and at least 1.5. forming a mixture comprising: a first powder material comprising silicon carbide and having a first average particle size of not greater than 10 microns, and at least 0.1 microns; and a second powder material comprising silicon carbide and being different than the first powder material, wherein the second powder material has a second average particle size less than the first average particle size, wherein the second powder material has an aluminum content greater than an aluminum content of the first powder material, and wherein the mixture comprises a ratio (PM1/PM2) of the content (wt%) of the first powder material to the second powder material of at least 1.1, and not greater than 8; a first powder material comprising silicon carbide and having a first average particle size of not greater than 10 microns, and at least 0.1 microns; and a second powder material comprising silicon carbide and being different than the first powder material, wherein the second powder material has a second average particle size less than the first average particle size, wherein the second powder material has an aluminum content greater than an aluminum content of the first powder material, and wherein the mixture comprises a ratio (PM1/PM2) of the content (wt%) of the first powder material to the second powder material of at least 1.1, and not greater than 8; forming a green body from the mixture; and sintering the green body in an inert atmosphere at a sintering temperature of at least 1600°C, and not greater than 2200°C, and forming a ceramic body comprising: a first type of grain including silicon carbide and having an average grain size of not greater than 8 times the first average particle size; and a second type of grain including silicon carbide and having a second average grain size of at least 1.1 times the average grain size of the first type of grain, wherein the second type of grain has an elongated structure, wherein the second type of grain has an average aspect ratio of at least 2, wherein the aspect ratio is a measure of length to width, and length is longer than width, wherein the ceramic body comprises an aluminum content from at least 100 ppm to not greater than 800 ppm and comprises a second type of grain concentration of not greater than 34 per mm 2, and at least 4 per mm 2; and wherein a ratio of a content of the first type of grain to a content of the second type of grain is not greater than 3 and at least 1.5. a first type of grain including silicon carbide and having an average grain size of not greater than 8 times the first average particle size; and a second type of grain including silicon carbide and having a second average grain size of at least 1.1 times the average grain size of the first type of grain, wherein the second type of grain has an elongated structure, wherein the second type of grain has an average aspect ratio of at least 2, wherein the aspect ratio is a measure of length to width, and length is longer than width, wherein the ceramic body comprises an aluminum content from at least 100 ppm to not greater than 800 ppm and comprises a second type of grain concentration of not greater than 34 per mm 2, and at least 4 per mm 2; and wherein a ratio of a content of the first type of grain to a content of the second type of grain is not greater than 3 and at least 1.5.