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.
This is called the luster of the mineral.   The luster of a mineral is the way its surface reflects light. Most  terms used to describe luster are self-explanatory: metalâ¦lic,  earthy, waxy, greasy, vitreous (glassy), adamantine (or brilliant,  as in a faceted diamond). 14 people found this useful. Qwertyghj63.