The creatinine levels in both urine and blood are determined and compared. Normal creatinine clearance for healthy women is 88-128 mL/min. and 97 to 137 mL/min. in males (normal levels may vary slightly between labs). Blood urea nitrogen (BUN) level is another indicator of kidney function.he creatinine levels in both urine and blood are determined and compared. Normal creatinine clearance for healthy women is 88-128 mL/min. and 97 to 137 mL/min. in males (normal levels may vary slightly between labs). Blood urea nitrogen (BUN) level is another indicator of kidney function.
Some examples of blue stones include aquamarine, azurite, blue lace agate, boulder opal, chalcedony, lapis lazuli, sapphire, topaz and blue zircon. Shown below are pictures of some common and uncommon blue color stones.
You may be familiar with gemstone names such as agate, bloodstone, chrysoprase, carnelian, chert, flint, jasper, onyx, sardonyx, touchstone and petrified wood. They are all varieties of chalcedony stone. This article deals specifically with what is called Blue Chalcedony.hat we non-scientific types of humans call Chalcedony, is actually a specific form of quartz, one who's crystals are so tiny they are hard to be seen by a normal microscope. On the Market, only solid colored stones that range from a soft gray to a very nice blue shade are sold as Chalcedony.