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..
Pasadena is the ninth-largest city in Los Angeles County. Pasadena was incorporated on June 19, 1886, becoming only the second city to be incorporated in what is now Los Angeles County, after Los Angeles (April 4, 1850). It is one of the primary cultural centers of the San Gabriel Valley.he Pasadena Police Department serves most of the city of Pasadena. Unincorporated portions of the city are part of Los Angeles County and are served by the Los Angeles County Sheriff's Department (LASD) and the Altadena Station in Altadena serves nearby portions of Pasadena.