On 5/26/1976, a category F3 (max. wind speeds 158-206 mph) tornado 4.9 miles away from the city center injured one person and caused between $500,000 and $5,000,000 in damages. Richardson-area historical earthquake activity is slightly below Texas state average.6.5%. According to our research of Texas and other state lists there were 26 registered sex offenders living in Richardson, Texas as of October 14, 2015.
Bronzite is a variety of enstatite that is also associated with hypersthene, which contains silica, magnesium, oxygen, and iron; this is similar to the structure of the serpentine group of minerals. (Bronzite has more iron than enstatite and more magnesium (and less iron) than hypersthenes).
Noun. 1. cementite-a chemical compound that is a constituent of steel and cast iron; very hard and brittle. iron carbide. chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight.ementite. n. 1. (Elements & Compounds) the hard brittle compound of iron and carbon that forms in carbon steels and some cast irons.