a. A unit of weight for diamonds, pearls, and other gems; formerly equal to 3-1/6 troy grains (205 mg). The international metric carat (abbreviated M.C.) of 200 mg was made the standard in the United States in 1913, as it was the standard in Belgium, Denmark, Great Britain, France, Germany, Japan, the Netherlands, and Sweden. A carat grain is 1/4 carat. Syn: international metric carat CF: point
b. Employed to distinguish the fineness of a gold alloy, and meaning 1/24 part. Pure gold is 24-carat gold. Goldsmiths' standard is 22 carats fine; it contains 22 parts of gold, 1 part of copper, and 1 part of silver. Fay
Source:
Dictionary of Mining, Mineral, and Related Terms












    What Topic Is Your Geology Paper On?  

 ENTER YOUR TOPIC HERE:    

Over 70,000 Research Papers, Essays & Term Papers - Ready to Download!

<Navigation>


Search!


<Index>

Acoustics
Agriculture
Anthropology
Archaeology
Architecture
Biology
Biotechnology
Cancer
Chemistry
Composers
Dance
Electronics
Environment
Fine Art
Geology
Invertebrate
Plant
Political Science
Psychology
Scientists
Sociology


<Top Level>

WebRef.org
About Us
Copyright Notice
Privacy Statement


Iverson Software: Providing Reliable & Innovative Education Solutions since 1987!

About Us  DeveloDex™  OptiMall™  Success Tools  Tabularium™  WebRef™

Google
Search WWW Search webref.org


K12 Shipping
JourneyEd.com is the leading supplier of discounted software to students and faculty.


icon



Easy CGI Web Hosting
This site hosted by EASY CGI Web Hosting
Iverson Software Co., is not responsible for typographical errors. Information deemed to be accurate, but not guaranteed. Offers subject to change at any time. Copyright © 1987-2006 Iverson Software Co. Some material copyright of their respective holders. All Rights Reserved Worldwide.