Difference between revisions of "Spar"
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== Description == | == Description == | ||
| − | 1) Any nonmetallic mineral with a lustrous sheen and good cleavage. Examples include Iceland spar ([ | + | 1) Any nonmetallic mineral with a lustrous sheen and good cleavage. Examples include Iceland spar ([[calcite|calcite]]), heavy spar ([[barite|barite]]), satin spar (calcite or [[gypsum|gypsum]]), Greenland spar ([[cryolite|cryolite]]), [[feldspar|feldspar]], and fluorspar ([[calcium%20fluoride|calcium fluoride]]). |
| − | 2) A waterproof varnish originally designed for coating wooden masts (spars) on ships. See [ | + | 2) A waterproof varnish originally designed for coating wooden masts (spars) on ships. See [[spar%20varnish|spar varnish]]. |
== Sources Checked for Data in Record == | == Sources Checked for Data in Record == | ||
Revision as of 11:20, 10 May 2016
Description
1) Any nonmetallic mineral with a lustrous sheen and good cleavage. Examples include Iceland spar (Calcite), heavy spar (Barite), satin spar (calcite or Gypsum), Greenland spar (Cryolite), Feldspar, and fluorspar (Calcium fluoride).
2) A waterproof varnish originally designed for coating wooden masts (spars) on ships. See Spar varnish.
Sources Checked for Data in Record
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942