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.
- The blue variety of Quartz, which is very uncommon in nature and rarely in crystal form. Most Blue Quartz is what is popularly known as Aqua Aura, essentially clear Rock Crystal synthetically irradiated with gold to form a deep sky blue color.here are more variety names given to Quartz than any other mineral. Although the Feldspar s as a group are more prevalent than Quartz, as an individual mineral Quartz is the most common mineral. Most mineral reference guides list Chalcedony as an individual mineral, but in reality it is a variety of Quartz.