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Old August 25th 19, 02:00 PM posted to rec.crafts.metalworking
Ignoramus22058 Ignoramus22058 is offline
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Default Mystery metal grains? Cobalt?

On 2019-08-22, Jim Wilkins wrote:
"Ignoramus2085" wrote in message
On 2019-08-22, Jon Elson wrote:
On Wed, 21 Aug 2019 18:53:13 -0500, Ignoramus16448 wrote:

Found a few lbs of it in an induction furnace that I bought for



These are oxidized metal grains. The oxidation color is bluish and
closely resembles blueberries, though I am somewhat color blind.

Any idea what this metal is? Could it be cobalt?

Cobalt is ferromagnetic, so unless it is fully oxidized, it would


So it is not cobalt... no attraction to magnet...

Perhaps the light blue color came from oxidized copper plating?

It s a copper phosphorus alloy or compound, as foud out with xrf gun!