Central West Super Speci-a work in progress

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Post  Guest on Fri Feb 15, 2013 11:55 am

Gday People,
As promissed,here is a photo of the speci after a few days of Thermal Shock treatment......thanks for the idea Aurumpro.
It worked like a charm and speeded the process up stacks with minimal damage to the Gold inside.
I tried to sell it as a Speci but few were interested,not trusting the approx SG weight of 820-840 grams of the good stuff.
Well let me say,they talked themselves out of a few bonus Ounces!
The weight as of last night is 859 grams and I doubt there is more than 60 grms of Quartz left on it. All the Quartz on the right hand side of the pic is only thin and bottoms on soild metal. The thinner end on the left has the biggest quantity and is more fragile.
It truely has a heart of Gold.
The bucket of Quartz fragments would have at least 5 Oz in it,if not more......one things for sure that after dollying its going to be the `Tail from hell` left in the Pan Very Happy

Central West Super Speci-a work in progress 2013-010

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Post  CostasDee on Fri Feb 15, 2013 12:39 pm

What a beautiful looking piece there Gus. What was the Thermal Shock treatment that you talked about, as it has come up a treat? Had any luck fiending any potential brothers and sisters around where you found this one?
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Post  Guest on Fri Feb 15, 2013 12:56 pm

Very nice Gus it sure is coming up nice.. Very Happy .. They would be kicking themselves I bet... scratch

Cheers.

Mike. cheers

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Post  Guest on Fri Feb 15, 2013 1:21 pm

cheers good on you Gus looking good mate cheers

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Post  Guest on Fri Feb 15, 2013 2:13 pm

CostasDee wrote:What a beautiful looking piece there Gus. What was the Thermal Shock treatment that you talked about, as it has come up a treat? Had any luck fiending any potential brothers and sisters around where you found this one?

Gday Costas,
Thermal shock is basically the modern day version of Quartz roasting. I heated the Speci over a 2 burner stove until it got a bit of glow about it,then with a pair of XL heavy duty BBQ tongs and safety glasses on,plunged it into a bucket of cool water. The sudden contraction shatters the Rock leaving it easy to pick away slowly with a small screwdriver.
At first I was disapointed at the amount of gold that was coming away,but after a few hrs I started to see things more clearly.
I just didnt want to muck about with Hydrofluric acid,even though it would have preserved all the gold matrix but some of it would have been to fragile to handle.

Gday Mike, there loss is my gain cheers drunken

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Post  CostasDee on Fri Feb 15, 2013 5:11 pm

Thanks Gus for explaining. You've refreshed my memory now and I recall aurumpro saying something to you about that. Glad to hear it works. Might have to add a blowtorch, bucket and bbq tongs to the arsenal I take out bush...it never stops does it?
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Post  rc62burke on Fri Feb 15, 2013 8:21 pm

Hey Gus
Just awesome, much better result than the acid I reckon as the quartz gets crumbly & looses character, good job.
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Post  Tributer on Fri Feb 15, 2013 9:03 pm

Nice going Gus, looks great. When you finish playing with it do a video of you dollying up the lot of it.. Very Happy
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Post  Guest on Fri Feb 15, 2013 10:42 pm

Great stuff there cheers

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Post  MTB Digger on Sat Feb 16, 2013 7:21 am

That is a sensational piece. Would love to see a couple more pics from different angles
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Post  Guest on Sat Feb 16, 2013 7:29 am

Nice piece gus..how many dips did it take to get quartz away, my specie is 170 grams bearing 44 grams,it's a solid nugget by the voltmeter.i don't want to sell it just pretty it up.the nug on the outside is a bit aero e bar.the grain of the quartz is pretty open and I'm busting my a..se to see what's inside..no one seems to want to know anything about it either unless I take a 20 percent hit and that,s over the phone probably more when I get there.cheers and nice work

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Post  Ronnie on Sat Feb 16, 2013 9:03 am

Wow Gus, that is coming up a treat. The thermal shock seems to work pretty well, hadn't heard of it before, very interesting. Look forward to seeing the progress.

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Post  NITRO on Sat Feb 16, 2013 10:42 am

Love it. Makes me want to go detectecting right now instead of having a bludge day!

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Post  Guest on Sat Feb 16, 2013 5:38 pm

mate what a terrific looking piece Very Happy
congratulations again on the find
dave

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Post  slimpickens on Sat Feb 16, 2013 6:45 pm

Looking good Gus. Exactly what's wrong with letting the acid eat away the rest of the quartz?
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Post  bedrock on Sat Feb 16, 2013 10:59 pm

a great looking piece of gold guis. Hope you'll find a buyer for it!.....
Americans probably pay more for bigger nuggets like yours.
cheers
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Post  Guest on Mon Feb 18, 2013 11:15 am

Thanks everyone,it is looking good and the Gold is very sharp edged.

Gday Lee,
Its much safer than using Hydrofluric and I hope others can use this same method if only just to remove the bulk of the Quartz before using acid to finish the job.

Gday Trib,
The dollying has begun mate and there are plenty of pickers. Once Im done will do a few pics of the tail.

Gday MTB,
more pics of different angles to follow mate.

Gday Cougarcans,
Probably about 10-12 heat and dips to get this result mate. Good luck with your Speci.

Gday Shiraz,
its in the Alibrite as we speak mate.

Gday Bedrock,
True mate,the Americans would probably pay more. Its a shame that we have to sell all our big gold overseas to get the right price.
Unfortunetly,I will have to sell this Nugget soon as there are bills to pay,but I wont be giving it away thats for sure! Wink

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Post  Guest on Mon Feb 18, 2013 12:10 pm

The active ingredient in Alubrite is hydrofluoric!!! Take care use gloves and goggles Shocked

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Post  lbg dreamer on Mon Feb 18, 2013 12:55 pm

It's looking good mate
And happening
Fast with the thermal shock treatment
Well done
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Post  Guest on Mon Feb 18, 2013 10:47 pm

Thanks gus ..hope it comes up good too ..cheers and once again that's a dam nice bit a gold you got there

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Post  mullockgrubber on Wed Feb 20, 2013 6:37 am

An interesting process and so simple to do with ordinary things the average person would have about. Bet those whom did not buy the speci as it was are now regretting their decision if they knew how it turned out.

Good luck with the final work its a lovely piece of gold.
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Post  Wombat on Wed Feb 20, 2013 8:31 am

Gus it is looking really good and it should turn out to be a nice piece. Well done mate.
wombat Wink

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Post  Guest on Tue Mar 05, 2013 1:58 pm

As promissed,here is the final product.It still has a small amount of Quartz attached but it wouldnt be more than 2 grams.
Central West Super Speci-a work in progress 2013-013
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The total weight is 788.4 grams.

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Post  lbg dreamer on Tue Mar 05, 2013 3:09 pm

The thermal shock treatment worked fast mate
It's a big lump of gold in anyone's book I reckon
Very Happy
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Post  AnnieL on Tue Mar 05, 2013 3:30 pm

Lovely piece of gold Gus especially after getting rid of the quartz!

cheers
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Post  Curley on Tue Mar 05, 2013 4:21 pm

Wow Gus thats turned out way better than I would of expected Q15
It doesn't look as brittle as I thought it might have.
Now get out there and find another! cheers
Cheers
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Post  slimpickens on Tue Mar 05, 2013 4:36 pm

Central West Super Speci-a work in progress Gus10

Of course you know Gus, your next step is the 1 kilo club. Laughing

PS. Are you going to name it?


Last edited by shiraz on Tue Mar 05, 2013 9:50 pm; edited 1 time in total
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Post  Guest on Tue Mar 05, 2013 5:12 pm

G'day Gus what can I say that is a fantastic result. Q15 . That is one very nice nugget and I hope you get the right price for it/worth every cent in my book. Q13 . Congrats again Gus.

Cheers.

Mike. Q11 Q11

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Post  Tributer on Tue Mar 05, 2013 9:28 pm

Outstanding Gus. Shocked Shocked
The big quartz gibber speci really did have a heart of gold.
Cheers Tributer
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Post  Guest on Tue Mar 05, 2013 9:44 pm

Brilliant.Congratulation cheers


From Wikipedia, the free encyclopedia

Yellow (/ˈjɛloʊ/) is the color of gold, butter, or ripe lemons.[2] In the spectrum of visible light, and in the traditional color wheel used by painters, yellow is located between green and orange.
Yellow is commonly associated with gold, sunshine, reason, optimism and pleasure, but also with envy, jealousy and betrayal.


How true.

GoldEN

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