Difference between revisions of "Streak"
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== Authority == | == Authority == | ||
| − | * | + | * ''Identification of Textile Materials'', The Textile Institute, Manchester, England, 1985 |
| − | * | + | * 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 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 07:56, 24 July 2013
Description
1) A discoloration, mark or smear on a substrate.
2) In mineralogy, a streak test used to characterize minerals by their color. A stone is rubbed on an unglazed porcelain plate and the color of the residual powder or streak is observed. For example, a rock containing hematite may appear black but will always produce a red streak.
Synonyms and Related Terms
Strich (Deut.); strie (Fr.);
Authority
- Identification of Textile Materials, The Textile Institute, Manchester, England, 1985
- 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