It occurs as incrustations and efflorescences on cave surfaces formed by bacterial action on bat guano.
The skull was deformed and the upper incisors were artificially modified with jade incrustations.
The sacristy contains oil paintings and furniture with incrustations.
It occurs as an oxidation product of zinc ores and as post mine incrustations.
Because of the rate in which the incrustation was removed, they determined that this was negligible at best.
The internal surfaces of the chambers and passageways are covered with calcareous incrustations and numerous crevices branch off in all directions.
It occurs as black incrustations, dark to pale-brown in thin section.
Both forms have a thin incrustation on their walls that gives them a rough appearance when viewed with a light microscope.
