Creatinine is a normal waste product produced by muscle metabolism. When your kidneys are functioning normally, they filter creatinine and other waste products out of your blood and send them out of the body through urine. A creatinine urine test measures the amount of creatinine in your urine and can help your doctor evaluate how well your kidneys filter waste. This is useful in diagnosing or ruling out kidney diseases and some other conditions.
The red color of the ruby is incomparable: warm and fiery. This gemstone has excellent hardness, durability, luster, and rarity too. Grossularite: Grossularite is generally olive green, but there are also yellow, red, brown and violet varieties.
This list of gemstones includes the mineral names (in parentheses) of the gemstones as well as links to photos of the gems.Agate (Chalcedony). red-banded agate that is also known as sard or sardonyx.Alexandrite (Chrysoberyl).his list of gemstones includes the mineral names (in parentheses) of the gemstones as well as links to photos of the gems. Agate (Chalcedony).