If it is positive, then you may have a hepatitis B infection. This test may have to be repeated to confirm whether you have a chronic infection. 2. Hepatitis B surface Antibody (HBsAb or anti-HBs) - this tests for the surface antibody that your immune system makes to fight off the virus.
Rottenstone definition, a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals. See more. Dictionary.com
Bloodstone (also called heliotrope) is green with distinctive red spots that resemble blood, giving this stone its name. The bloodstone was used to stop bleeding especially nosebleeds.