Some aren't worth saving,
This started as a large specimen I found in Lost Basin, AZ.
It screamed when I got the coil over it. A large shallow
nugget, they're still out there!
It was always kind of ugly and not a lot of gold showing. Here I
cut off half of the quartz on Linda's rock saw.
I decided to sacrifice it to do a specific gravity test on a real nugget.
Here I weighed the specimen and it came to 25.1 pennyweight.
Next I got the displaced water weight of 8.3 pennyweight suspended
from a string not touching anywhere.
Then using my formula for specific gravity
Weight of gold is equal to ( dry weight x 1.16 ) minus ( wet weight x 3.07 )
dry weight 25.1 x 1.16 = 29.116 pennyweight
wet weight 8.3 x 3.07 = 25.481 pennyweight
29.116 minus 25.481 equals 3.635 pennyweight of gold in specimen
So let's find out for sure.
I got out my mortar and pedestal and crushed it to smithereens.
This is what it looks like all crushed up, notice the two large
nuggets that emerged.
Next I panned it out in water and here's the gold.
Last thing to do is weigh it real time and see how much gold I got.
There's a little quartz dust in the mix but it still weighed in at
3.9 pennyweight not far off I'd say from the
calculated 3.65 pennyweight.
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