In jewelry, quartz in many forms is abundantly used. Chalcedony can be used to make beads, cameos, and distinctive rings, while clear crystalline varieties is often cut into faceted gemstones to ornament necklaces, rings, and bracelets. More rare forms can command a high price when used in jewelry.
The rhino also has a large horn in the middle of its face and some species of rhino have a second smaller horn above the larger one. The rhinoceros is a herbivore and eats grasses, leaves, shoots, buds and fruits in order to gain the nutrients that the rhino needs to grow and survive.
The plants or their products are consumed by the second-level organismsâthe herbivores, or plant eaters. At the third level, primary carnivores, or meat eaters, eat the herbivores; and at the fourth level, secondary carnivores eat the primary carnivores. These categories are not strictly defined, as many organisms feed on several trophic levels; for example, some carnivores also consume plant materials or carrion and are called omnivores, and some herbivores occasionally consume animal matter.