A: Fiction. Antibiotics used in animals are the cause of major human drug resistant diseases. Myth: âAnimal antibiotics kill more people than breast and prostate cancerâ screamed a blogger in the wake of an AP story on antibiotics used to keep food animals healthy.
Mineral Luster. Luster is a description of the way a mineral surface looks when light reflects off of the surface. Luster has two categories, metallic and nonmetallic.
Thus type of luster gives minerals a nonmetallic appearance. An example of nonmetallic luster is adamantine, a type of luster where a mineral has a brilliant, shiny appearance with a hard diamond look. Such minerals may be translucent or transparent and include cubic zirconia and diamonds.