Difference between revisions of "Gneiss"
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| − | [[File:72.575-SC109714.jpg|thumb| | + | [[File:72.575-SC109714.jpg|thumb|Egyptian bowl<br>MFA Acc# 72.575]] |
== Description == | == Description == | ||
| − | A coarse-grain metamorphic rock with an irregular layered structure of varying mineral compositions and colors. Gneiss is similar in composition to [ | + | A coarse-grain metamorphic rock with an irregular layered structure of varying mineral compositions and colors. Gneiss is similar in composition to [[granite]] but different in texture. In general, some bands are high in [[feldspar]] or [[quartz]] while others are higher in [[hornblende]] or [[mica]]. Gneiss stones are used in building construction and are often sold as granites. |
| − | [[File:Haupt_Fountains.jpg|thumb|Haupt Fountains | + | [[File:Haupt_Fountains.jpg|thumb|Haupt Fountains, Washington, D.C.]] |
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== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
gneis (Esp.); gneiss (Fr., Ned.); gnaisse (Port.); Gneiss (Deut.) | gneis (Esp.); gneiss (Fr., Ned.); gnaisse (Port.); Gneiss (Deut.) | ||
| − | == | + | ==Resources and Citations== |
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996 | * ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996 | ||
Latest revision as of 08:23, 28 August 2020
Description
A coarse-grain metamorphic rock with an irregular layered structure of varying mineral compositions and colors. Gneiss is similar in composition to Granite but different in texture. In general, some bands are high in Feldspar or Quartz while others are higher in Hornblende or Mica. Gneiss stones are used in building construction and are often sold as granites.
Synonyms and Related Terms
gneis (Esp.); gneiss (Fr., Ned.); gnaisse (Port.); Gneiss (Deut.)
Resources and Citations
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- Frank A. Lent, Trade names and Descriptions of Marbles, Limestones, Sandstones, Granites and Other Building Stones Quarried in the United States Canada and other Countries., Stone Publishing Co, New York, 1925
- R.F.Symmes, T.T.Harding, Paul Taylor, Rocks, Fossils and Gems, DK Publishing, Inc., New York City, 1997