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
The burnish is given by rubbing the piece with burnishers of hematite (bloodstone). bloodstone is a variety of plasma containing spots of red jasper looking like drops of blood. bloodstone is a greenish chalcedony with spots of red jasper. The walls are of a reddish hue, burnt by centuries of sun into the colour of raw sienna or of bloodstone.