<prompt> Stain which differentiates cryptococcus from other fungusGram stainAcid fast stainIndia inkGomori methamine silver stain  <response>: India ink or Nigrosine - demonstrate the capsule of Cryptococcus as a clear halo Gram stain - used to diff. bw gram positive and gram negative Acid fast stain - used to stain Tuberculous bacteria, acid fastness is due to mycolic acid . Gomori methamine silver stain - used to stain Pneumocystis jiroveci 