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To: E. Charters who wrote (22730)	11/8/1998 8:17:00 AM
From: Richard Mazzarella	Read Replies (1) \| Respond to of 116770

Chatters, <<nickel, zinc and silver>> German Silver contains no silver. A new factoid for EC, German Silver was used as cryogenic structural material because of its low thermal conductivity, a disordered fine grained alloy. The invent of stainless steel assumed the cryogenic role held by German Silver. <<nickel silver noun A silvery, hard, corrosion-resistant, ductile, malleable alloy of copper, zinc, and nickel, used in tableware and as a structural material for hospital and restaurant equipment. Also called German silver. The American Heritage® Dictionary of the English Language, Third Edition copyright © 1992 by Houghton Mifflin Company. Electronic version licensed from INSO Corporation. All rights reserved.>>

To: E. Charters who wrote (22730)	11/8/1998 10:42:00 AM
From: ali	Read Replies (2) \| Respond to of 116770

E.Charters,re:<Once the silver is over 20% the gold is white>. Sorry to correct your sentence here.White gold usually contains 5% nickel + silver + copper,depending what carat is desired."White gold" is always an alloy and was invented to copy platinum.It is much stronger than yellow (regular)gold and is therefore used as head for diamond rings.There are other colors of gold alloys,pink, bronze, green, blue.All are caused by adding traces of other metals.Bluish is caused by iron,greenish by silver,pink by aluminum.Copper is used to get a more correct "gold color" in gold merchandise.It all depends on the mix of the metals what color hue one gets.German silver does not contain silver.It is called Alpaca and is an alloy of copper/ nickel/zinc.By the way silver is always white(or almost).Below 800 silver is not callable silver in Canada.Siver as we know it is mostly Sterling silver and is 935 pure(out of 1000).Coins were mostly 800 silver,but could have had other grades too.