Quick Qualitative Testing of Rocks and Ore

[Richard NL]

Really old fashioned blowpipe: https://www.youtube.com/watch?v=MYvixboVvYk&index=79&list=PL11BF37F092BB1C16

Best regards,
Richard.

Dec.26 2014 edit to add a piece of history: the hare-clarke controversy over the improved gas blowpipe. http://www.scs.illinois.edu/~mainzv/HIST/bulletin_open_access/v26-2/v26-2%20p106-111.pdf

 

[yasin1987]

It turns red or purple when iodide is poured into a solution containing hydrochloric acid.
Although palladium can be harvested with potassium iodide, I do not think it is a good way to test.

 

[Rick & Carrie]

Great post. This is the grade of post that fellow prospectors should be posting here for all of us to learn from.

Sincerely; Rick, "The Rockman".