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 ([http://cameo.mfa.org/materials/fullrecord.asp?name=calcite calcite]), heavy spar ([http://cameo.mfa.org/materials/fullrecord.asp?name=barite barite]), satin spar (calcite or [http://cameo.mfa.org/materials/fullrecord.asp?name=gypsum gypsum]), Greenland spar ([http://cameo.mfa.org/materials/fullrecord.asp?name=cryolite cryolite]), [http://cameo.mfa.org/materials/fullrecord.asp?name=feldspar feldspar], and fluorspar ([http://cameo.mfa.org/materials/fullrecord.asp?name=calcium | + | 1) Any nonmetallic mineral with a lustrous sheen and good cleavage. Examples include Iceland spar ([http://cameo.mfa.org/materials/fullrecord.asp?name=calcite calcite]), heavy spar ([http://cameo.mfa.org/materials/fullrecord.asp?name=barite barite]), satin spar (calcite or [http://cameo.mfa.org/materials/fullrecord.asp?name=gypsum gypsum]), Greenland spar ([http://cameo.mfa.org/materials/fullrecord.asp?name=cryolite cryolite]), [http://cameo.mfa.org/materials/fullrecord.asp?name=feldspar feldspar], and fluorspar ([http://cameo.mfa.org/materials/fullrecord.asp?name=calcium%20fluoride calcium fluoride]). |
| − | 2) A waterproof varnish originally designed for coating wooden masts (spars) on ships. See [http://cameo.mfa.org/materials/fullrecord.asp?name=spar | + | 2) A waterproof varnish originally designed for coating wooden masts (spars) on ships. See [http://cameo.mfa.org/materials/fullrecord.asp?name=spar%20varnish spar varnish]. |
== Authority == | == Authority == | ||
| − | * | + | * ''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 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 07:25, 24 July 2013
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.
Authority
- 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