Difference between revisions of "Electrum"
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1) An naturally occurring alloy of [http://cameo.mfa.org/materials/fullrecord.asp?name=gold gold] and [http://cameo.mfa.org/materials/fullrecord.asp?name=silver silver]. All gold ore contains some silver ranging in concentrations from 1% to 80%. Proportions of up to 20% silver produce a pale gold, or amber, color alloy and hence derived the name 'electrum' (Greek for amber). Electrum has been used for jewelry and decorative items since ancient times. | 1) An naturally occurring alloy of [http://cameo.mfa.org/materials/fullrecord.asp?name=gold gold] and [http://cameo.mfa.org/materials/fullrecord.asp?name=silver silver]. All gold ore contains some silver ranging in concentrations from 1% to 80%. Proportions of up to 20% silver produce a pale gold, or amber, color alloy and hence derived the name 'electrum' (Greek for amber). Electrum has been used for jewelry and decorative items since ancient times. | ||
− | 2) Modern metal mixtures that has a pale gold color such as a mixture containing [http://cameo.mfa.org/materials/fullrecord.asp?name=copper copper] (50%), [http://cameo.mfa.org/materials/fullrecord.asp?name=nickel nickel] (30%), and [http://cameo.mfa.org/materials/fullrecord.asp?name=zinc zinc] (20%). Other such alloys are [http://cameo.mfa.org/materials/fullrecord.asp?name=German | + | 2) Modern metal mixtures that has a pale gold color such as a mixture containing [http://cameo.mfa.org/materials/fullrecord.asp?name=copper copper] (50%), [http://cameo.mfa.org/materials/fullrecord.asp?name=nickel nickel] (30%), and [http://cameo.mfa.org/materials/fullrecord.asp?name=zinc zinc] (20%). Other such alloys are [http://cameo.mfa.org/materials/fullrecord.asp?name=German%20silver German silver] and [http://cameo.mfa.org/materials/fullrecord.asp?name=nickel%20silver nickel silver]. |
3) An old name for [http://cameo.mfa.org/materials/fullrecord.asp?name=amber amber]. | 3) An old name for [http://cameo.mfa.org/materials/fullrecord.asp?name=amber amber]. | ||
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== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
− | elektrum; | + | elektrum; électrum (Fr.); electrum (Ned.) |
== Authority == | == Authority == | ||
− | * | + | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 371 |
− | * | + | * Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing) |
− | * | + | * David C. Scott, ''Metallography and Microstructure of Ancient and Historic Metals'', The Getty Conservation Institute, Los Angeles, 1991 |
− | * | + | * Jack Odgen, ''Jewellery of the Ancient World'', Rizzoli International Publications Inc., New York City, 1982 |
− | * | + | * 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 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 |
Revision as of 06:38, 24 July 2013
Description
1) An naturally occurring alloy of gold and silver. All gold ore contains some silver ranging in concentrations from 1% to 80%. Proportions of up to 20% silver produce a pale gold, or amber, color alloy and hence derived the name 'electrum' (Greek for amber). Electrum has been used for jewelry and decorative items since ancient times.
2) Modern metal mixtures that has a pale gold color such as a mixture containing copper (50%), nickel (30%), and zinc (20%). Other such alloys are German silver and nickel silver.
3) An old name for amber.
Synonyms and Related Terms
elektrum; électrum (Fr.); electrum (Ned.)
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 371
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- David C. Scott, Metallography and Microstructure of Ancient and Historic Metals, The Getty Conservation Institute, Los Angeles, 1991
- Jack Odgen, Jewellery of the Ancient World, Rizzoli International Publications Inc., New York City, 1982
- 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
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: electrum