1984 Off Coloured Ten Cent - Coin Community Forum

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Author	Replies: 1 / Views: 894
Hounddog Bill Pillar of the Community Canada 1222 Posts	Posted 03/02/2017 10:43 am Forgive for the poor quality of the pictures I sure haven't mastered the art of photographing these reflective coins. I have another off colour coin this time a 1984 ten cent. I'm having trouble getting a photo to show the lustre and colour properly but it has cartwheel lustre under the toning and the colour is steel grey with a hint of blue throughout. The weight is 2.2 grams and it's magnetic. Is it heat that turns a coin made of nickel to this "lustrous" grey blue colour? Cheers, Bill Report this Post to the Staff

SPP-Ottawa Moderator Canada 10456 Posts	Posted 03/02/2017 12:26 pm Nickel can tone with heat, but rarely is the colour so uniformly consistent... if it is just toning, it is beautiful... Of interest, Mike had me test a beautiful, gun-metal blueish 1949 5-cent once, and it was (relatively) enriched in cobalt, which is common as an accessory element in nickel ore, but usually smelted out. Mike's coin contained 1.5% cobalt, which means the RCM received a crappy batch of nickel ingots or strips. I can always test that one for you Bill, as well... "Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer Content of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_US My eBay store Report this Post to the Staff
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