incrustation

The effect, twinkling and blazing under the museum lights, is of quite breathtaking intensity: the gold and silver may be only foil, but they go beyond rococo incrustation into a domain of absolute theatricality.

From Time Magazine Archive

From close up the "lake" is a glistening incrustation of blue-green glass 2,400 ft. in diameter, formed when the molten soil solidified in air.

From Time Magazine Archive

And at such moments, Citizen Judges, everything personal, all the personal incrustation, all rancor, pride and a number of other things, fall away, disappear.

From Time Magazine Archive

Zaratite, zar′a-tīt, n. a hydrous carbonate of nickel, found usually as an incrustation on chromite.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

It is well to recall at this point that if the calcareous incrustation of the water-jacket or the branch pipes should hinder the free circulation of water, cleaning is, of course, necessary.

From Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines by R. E. Mathot