Difference between revisions of "Meerschaum"
Jump to navigation
Jump to search
(username removed) |
m (Text replace - "== Authority ==" to "== Sources Checked for Data in Record ==") |
||
| Line 19: | Line 19: | ||
|} | |} | ||
| − | == | + | == Sources Checked for Data in Record == |
* A.Lucas, J.R.Harris, ''Ancient Egyptian Materials and Industries'', Edward Arnold Publishers Ltd., London, 4th edition, 1962 Comment: use: 500-50 BC | * A.Lucas, J.R.Harris, ''Ancient Egyptian Materials and Industries'', Edward Arnold Publishers Ltd., London, 4th edition, 1962 Comment: use: 500-50 BC | ||
Revision as of 12:34, 1 May 2016
Description
A hydrated magnesium silicate clay that is also called sepiolite. Meerschaum, German for seafoam, is a grayish-white clay that occurs in Asia Minor, Morocco, Spain, New Mexico and Pennsylvania. The light porous clay can be cut easily when it is wet and will withstand heat well. It is used as a building stone, a filler in soaps and for making ornamental pipes and cigar holders.
Synonyms and Related Terms
sepiolite; Sepiolit (Deut.); Meerschaum (Deut.)
| Composition | Mg4Si6O15(OH)2-6H2O |
|---|---|
| Mohs Hardness | 2.0 - 2.5 |
| Density | 0.99-1.28 |
Sources Checked for Data in Record
- A.Lucas, J.R.Harris, Ancient Egyptian Materials and Industries, Edward Arnold Publishers Ltd., London, 4th edition, 1962 Comment: use: 500-50 BC
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Website address 1 Comment: Ancient Trade Routes: http://www.ancientroute.com/resource/stone/marble.htm
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: density=0.99-1.28