Cryptococcus neoformans
Colonies are greyish and mucoid due to capsule formation.		Nigrosin wet preparation. The thick capsule is seen as a halo around the organism.
Cryptococcus is an anamorphic yeast that produces capsules. Teleomorphs belong to Filobasidiella.
Microscopy: Nigrosin preparation Gram-preparation of pus Nigrosin preparation - capsule formation