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Egyptian jar
MFA# 01.7283


A porous, pale-color, Sedimentary rock produced from the cementation of volcanic ash. Tuff particles range in size from fine Sand to coarse Gravel. The soft material can be scratched with a knife blade. Tuff is used as a filler in Hydraulic cement.

Synonyms and Related Terms

trass; volcanic tuff; Tuff (Deut., Sven.); tosca (Esp.); tuf volcanique (Fr.); tufsteen (Ned.); tuf (Ned.); tuffiet (Ned.); tuf wulkaniczny (Pol;.); tufo vulcânico (Port.)

Additional Images

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 905
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • C.W.Chesterman, K.E.Lowe, Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf, New York, 1979