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Webster 1913 Edition

Adj.

Of the nature of plaster.

The stone . . . is a poor

plastery

material.

Clough.

plastery ‎(comparative more plastery, superlative most plastery)

Of the nature of plaster.
- 1865, Arthur Hugh Clough, chapter 9, in Letters and Remains of Arthur Hugh Clough, letter dated April 18 1849, page 122:
  St. Peter's disappoints me; the stone of which it is made is a poor plastery material; and indeed Rome in general might be called a rubbishy place.