High-grade fire clays can withstand temperatures of 1775 Â°C (3227 Â°F), but to be referred to as a fire clay the material must withstand a minimum temperature of 1,515 Â°C (2,759 Â°F). Fire clays range from flint clays to plastic fire clays, but there are semi-flint and semi-plastic fire clays as well.
La Mesa, California. La Mesa, California. La Mesa is a city in Southern California, located 9 miles (14 km) east of Downtown San Diego in San Diego County. The population was 57,065 at the 2010 census, up from 54,749 at the 2000 census. Its civic motto is the Jewel of the Hills..
Mesa is a city in Maricopa County, in the U.S. state of Arizona. It is a suburb located about 20 miles east of Phoenix. Mesa is the central city of the East Valley section of the Phoenix Metropolitan Area. It is bordered by Tempe on the west, the Salt River Pima-Maricopa Indian Community on the north, Chandler and Gilbert on the south along with Queen Creek, and Apache Junction on the east. Mesa is the third-largest city in Arizona, after Phoenix and Tucson, and the 38th-largest city in the US. The city is home to 439,041 people as of 2010 according to the Census Bureau. Mesa is home to numerous higher education facilities including the Polytechnic campus of Arizona State University