Difference between revisions of "Porphyry"
(username removed) |
m (Text replace - "== Authority ==" to "== Sources Checked for Data in Record ==") |
||
| Line 22: | Line 22: | ||
B.Aston, J.Harrell, I.Shaw, "Stone" in ''Ancient Egyptian Materials and Technology'', P.Nicholson, I.Shaw (eds.), Cambridge University Press, 2000, p. 48-50. | B.Aston, J.Harrell, I.Shaw, "Stone" in ''Ancient Egyptian Materials and Technology'', P.Nicholson, I.Shaw (eds.), Cambridge University Press, 2000, p. 48-50. | ||
| − | == | + | == Sources Checked for Data in Record == |
* Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing) | * Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing) | ||
Revision as of 14:07, 1 May 2016
Description
In ancient Egypt, porphyry was the name for a dark purplish-red igneous stone that was very hard and had many small, but visible crystals embedded in a fine-grain matrix. Porphory was quarried from the eastern Egyptian desert near Mons Porphyrite. Currently, the term 'porphyry' describes any igneous stone with this texture. Colorful porphyritic stones have been used for buildings, sculptures, and small ornaments. They are red, purple, and green colors and can be polished to a high gloss. Porphyritic stones have been traditionally used to make mullers and slabs for grinding pigments.
Synonyms and Related Terms
pórfido (Esp.); porphyre (Fr.); pórfiro (Port.); Porphyr (Deut.); porfier (Ned.)
| Density | 2.6-2.9 |
|---|
Hazards and Safety
Contains silica. Chronic inhalation of dust may cause silicosis.
Additional Information
B.Aston, J.Harrell, I.Shaw, "Stone" in Ancient Egyptian Materials and Technology, P.Nicholson, I.Shaw (eds.), Cambridge University Press, 2000, p. 48-50.
Sources Checked for Data in Record
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- Jack Odgen, Jewellery of the Ancient World, Rizzoli International Publications Inc., New York City, 1982
- Anne Grimmer, Glossary of Building Stone Terms, A Glossary of Historic Masonry Deterioration Problems and Preservation Treatments, National Park Service, Washington DC, 1984
- 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
- Janet Burnett Grossman, Looking at Greek and Roman Sculpture in Stone, J. Paul Getty Trust, Los Angeles, 2003
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: density=2.6-2.9