Difference between revisions of "Calico marble"
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Frederick County marble; Potomac marble; Potomac breccia | Frederick County marble; Potomac marble; Potomac breccia | ||
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* ''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 | ||
Revision as of 13:26, 29 April 2016
Description
A coarse, multicolored breccia Marble quarried along the eastern slope of the Blue Ridge Mountains region of Maryland. Calico marble is composed of Quartz cemented in a calcareous Limestone. The inclusions range widely in size from small sand grains to large (several inches) cobbles. The color of the inclusions are white, yellow, pink, red, brown, and black in a background of dull reddish brown. Calico marble was initially quarried about 1815. It was used for the 20 foot columns in the Old Hall of Representatives in the U.S. Capitol building. The stone, however, was difficult to work and would often crumble. Black wax was used to fill holes from pebbles that broke away. The quarry was shut down in the early 20th century
Synonyms and Related Terms
Frederick County marble; Potomac marble; Potomac breccia
Sources Checked for Data in Record
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- 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