my finds

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my finds

Post by david dj on Wed 17 May 2017, 3:29 pm

Hi All
my finds from a ten day trip in the Yalgoo area,one speci 75.3 grm and 3 pieces for about 6 grms.
Hoping to get 60 grms from speci once it has been crushed.
Not decided yet if to keep it as speci or crush it.

david dj


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Re: my finds

Post by Nightjar on Wed 17 May 2017, 5:31 pm

Great looking finds David, still have the smile on your face no doubt?
Do you have the formulae for working out gold in quartz?



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"Aging seems to be the only available way to live a long life."

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Re: my finds

Post by martinjsto on Wed 17 May 2017, 5:51 pm

great find david, that big one could be worth a bit more than gold price, i just got back from Yalgoo and found 12 species but not course gold. got 18g out of them.
good work mate
cheers
martin

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Re: my finds

Post by david dj on Thu 18 May 2017, 8:40 am

No Peter just guess work picked up a piece of qaurtz a bit bigger than speci weighed it 29gram and thought about a third would be on speci.
I will try weighing in water and see what i get.?
Good work Martin 18grams, I think your right about the speci being worth more than gold price .
thanks for your comments guys.cheers David

david dj


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Re: my finds

Post by Nightjar on Thu 18 May 2017, 11:28 am

With Martin David, any sizeable white quartz specie with gold protruding will fetch a higher price.

The rough sketch below is how I go about getting the wet weight of a specie.
Scales resting on a piece of wood either in vice or nailed to a bench, protruding enough to be able to raise a container of water to submerge specie.
Piece of dowel or kebab stick laid across scale with cotton to tie to specie.
When dowel and cotton in place tare your scales.
Tie your specie and let in dangle. Record the DRY weight.
Now with a container filled with enough water to cover the specie completely with out touching sides of container raise it up under specie till submerged.
Record WET weight.
Formula in link below;
[You must be registered and logged in to see this link.]


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Good luck & safe travels
Peter




     
"Aging seems to be the only available way to live a long life."

Nightjar


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Re: my finds

Post by david dj on Thu 18 May 2017, 2:49 pm

Thanks for the drawing Peter, tried the gravity test dry and in water according to the formula there is 47.2 grams of gold in the speci or 1.51 oz
cheers david

david dj


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