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).
The term granitic means granite-like and is applied to granite and a group of intrusive igneous rocks with similar textures and slight variations on composition and origin.ranites can be predominantly white, pink, or gray in color, depending on their mineralogy. The word granite comes from the Latin granum, a grain, in reference to the coarse-grained structure of such a holocrystalline rock.