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#26

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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09 September 2019 12:20 pm

2nd sample test, nothing visible on the outside..
1567991960_img_20190909_105506.jpg
1567991986_img_20190909_111438.jpg

2 users like this post: travelergold, goody2shoes

#27

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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09 September 2019 01:47 pm

3rd sample produced ultra fine colours and needs roasting..
1567997248_img_20190909_124358.jpg

5 users like this post: LoneWolf, travelergold, goody2shoes, Retirement Stone, silver

#28

DykeHead
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From: , VIC
Joined: 27 August 2018
Posts: 65
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09 September 2019 03:17 pm

Looks good! You need a rock crusher and crush 20kgs. Stone like that can easy go 1oz to the tonne. Do you have to haul it far to your vehicle?

1 user likes this post: 20xwater

#29

Jeff
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Joined: 23 May 2018
Posts: 28
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09 September 2019 07:35 pm

Heya 20xwater

Some nice looking mineralisation there....that’s enough to get my attention.
Best thing is to dolly it up- of corse anything encased will be revealed but also anything really small will be flattened and much more visible. Then just look for the slower to move particles if your colourblind.
Was the visible gold- definitely not chalcopyrite or pyrite?


Bunch of pans, river sluice, GPZ7000, SDC2300, old scratched up take anywhere 4by, worn out shoes and doggedness of mind.
W.A., GT, East NSW.

#30

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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09 September 2019 08:26 pm

DykeHead wrote:

Looks good! You need a rock crusher and crush 20kgs. Stone like that can easy go 1oz to the tonne. Do you have to haul it far to your vehicle?

Ropes and buckets up to the top and about 10m to my vehicle lol

2 users like this post: sand surfer, LoneWolf

#31

DykeHead
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From: , VIC
Joined: 27 August 2018
Posts: 65
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09 September 2019 09:06 pm

Too easy! Get an automatic hoist and have it dump in a trailer. wink
I think your only meant to take 20kg per day with a miners right though.

4 users like this post: LoneWolf, RM Outback, 20xwater, goody2shoes

#32

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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10 September 2019 12:32 am

DykeHead wrote:

Too easy! Get an automatic hoist and have it dump in a trailer. wink
I think your only meant to take 20kg per day with a miners right though.

250kg...$100 on eBay
1568035922_s-l400.jpg

2 users like this post: goody2shoes, LoneWolf

#33

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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10 September 2019 10:14 am

Jeff wrote:

Heya 20xwater

Some nice looking mineralisation there....that’s enough to get my attention.
Best thing is to dolly it up- of corse anything encased will be revealed but also anything really small will be flattened and much more visible. Then just look for the slower to move particles if your colourblind.
Was the visible gold- definitely not chalcopyrite or pyrite?

First sample this morning seems to have answered your question.
Pyrite looks and behaves different in the pan, a drop of dish detergent allows me to swirl off jiggle and concentrate it precisely.
My eyes see a greeny difference..
1568070813_img_20190910_090055.jpg

#34

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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10 September 2019 11:59 am

?????????
1568077134_img_20190910_105646.jpg
1568077172_img_20190910_105325.jpg

3 users like this post: LoneWolf, Mackka, Retirement Stone

#35

DykeHead
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From: , VIC
Joined: 27 August 2018
Posts: 65
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10 September 2019 06:16 pm

What is that? Is it magnetic? If not heat it up a little bit outdoors (don't breath fumes) and see if it becomes magnetic.
I'm not sure what that is from the photo.some type of sulfides. Some could be metal from what your crushing it with?

1 user likes this post: RM Outback

#36

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
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10 September 2019 07:20 pm

DykeHead wrote:

What is that? Is it magnetic? If not heat it up a little bit outdoors (don't breath fumes) and see if it becomes magnetic.
I'm not sure what that is from the photo.some type of sulfides. Some could be metal from what your crushing it with?

Bingo, didn't even think of that, the bolster I'm using is contaminating the samples, don't know what sort of metal it is but now you ask it does scratch a brassy colour...FFS I can be a unit sometimes ?

2 users like this post: RM Outback, LoneWolf

#37

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
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10 September 2019 08:52 pm

Ok, the one on the left I used this morning for the last 2 samples I uploaded. The one on the right is definitely steel which I used for the other samples. I'm Crushing in a stainless teapot that wouldn't be contaminating because it would have been in the pan with the first samples..
1568109086_img_20190910_194139.jpg

#38

DykeHead
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From: , VIC
Joined: 27 August 2018
Posts: 65
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10 September 2019 09:13 pm

There's always something new to learn. A magnet should get it but it won't get any stainless particles.

1 user likes this post: 20xwater

#39

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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10 September 2019 09:40 pm

DykeHead wrote:

There's always something new to learn. A magnet should get it but it won't get any stainless particles.

True, my fall back is that I did say I might learn a thing or two at the start of the thread lol

Geology.com says pyrite can contain up to 25% gold. Chemical composition of iron sulphide FeS2.
Uses...ore of gold.

Question...when exposed to oxygen and oxidised, it turns to rust and is that what the rust veins are?

#40

DykeHead
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From: , VIC
Joined: 27 August 2018
Posts: 65
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10 September 2019 09:53 pm

Yeah I think it can even drain back down fractures like a rusty solution and possibly take eluvial gold with it I have a pic of something that resembles this happening. I could be wrong though.

#41

DykeHead
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From: , VIC
Joined: 27 August 2018
Posts: 65
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10 September 2019 10:30 pm

1568114674_5.jpg
It's not the best pic but to me it looks like the gold is inside this rusty fluid.

2 users like this post: 20xwater, Chewy

#42

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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10 September 2019 11:00 pm

DykeHead wrote:

https://www.prospectingaustralia.com.au … 4674_5.jpg
It's not the best pic but to me it looks like the gold is inside this rusty fluid.

If gold and pyrite are best mates then I'm thinking understanding pyrite would help a lot in hard rock gold prospecting?

#43

DykeHead
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From: , VIC
Joined: 27 August 2018
Posts: 65
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10 September 2019 11:12 pm

https://www.prospectingaustralia.com.au … =26359&p=1

Post 14 Goldierocks explains a bit about pyrite and gold.

1 user likes this post: 20xwater

#44

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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10 September 2019 11:34 pm

DykeHead wrote:

https://www.prospectingaustralia.com.au … =26359&p=1

Post 14 Goldierocks explains a bit about pyrite and gold.

Interesting...chase the no-oxydised pyrite deposits?

Last edited by 20xwater (10 September 2019 11:35 pm)

#45

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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11 September 2019 01:45 pm

??
1568169908_img_20190911_123636.jpg
1568169931_img_20190911_123839.jpg

1 user likes this post: LoneWolf

#46

LoneWolf
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From: Gold Coast, QLD
Joined: 12 April 2016
Posts: 3,175
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11 September 2019 02:42 pm

Back in your post #7, there is, on the left side, a pocket of Smokey Quartz? Crystals with some plain and clear Crystal pockets scattered around the Pic... Could it be part of them?
..... Do you know what will scratch it? My guess if it's hard= Smokey Quartz.... Soft surrounding Crystals ?= maybe Calcite?

Or is it Metallic Looking? ....... Hard to tell in the pic... A view of a torch or something shining through the back of it can help with a better ID....
PM sent... wink Im really not sure... smile

LW....

Last edited by LoneWolf (11 September 2019 03:40 pm)


Growing Old is Inevitable.... Growing Up is Optional.... Prospectors United Will Never Be Defeated

#47

DykeHead
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From: , VIC
Joined: 27 August 2018
Posts: 65
Member
11 September 2019 06:49 pm

Are you wanting a name for the black material? I can't see any gold in the pic.

#48

Jeff
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Joined: 23 May 2018
Posts: 28
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11 September 2019 07:51 pm

It’s hard to make out in the shots, I’ve got to admit- the last shot looks like chalcopyrite to me.( the gold coloured stuff) Given how oxydized the vein is, and those other minerals look like arsenopyrite( the grey stuff),the black mineral could be anything at this stage but I’d guess a silver ore, theit’d have to have sulphides present. Doesn’t mean there’s no gold, quite the opposite. If the little particles shatter like quartz when crushed- it’s a sulphide mineral. If it flattens it’s gold.


Bunch of pans, river sluice, GPZ7000, SDC2300, old scratched up take anywhere 4by, worn out shoes and doggedness of mind.
W.A., GT, East NSW.

2 users like this post: 20xwater, LoneWolf

#49

20xwater
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From: Bathurst, NSW
Joined: 05 March 2014
Posts: 1,057
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11 September 2019 08:42 pm

DykeHead wrote:

Are you wanting a name for the black material? I can't see any gold in the pic.

Gold isn't the interest in this specimen, the shiny mirror like black material is.
Have a crack?
It's really brittle..

#50

Jeff
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Joined: 23 May 2018
Posts: 28
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11 September 2019 09:35 pm

20xwater wrote:
DykeHead wrote:

Are you wanting a name for the black material? I can't see any gold in the pic.

Gold isn't the interest in this specimen, the shiny mirror like black material is.
Have a crack?
It's really brittle..

Ok 3 photos back


Bunch of pans, river sluice, GPZ7000, SDC2300, old scratched up take anywhere 4by, worn out shoes and doggedness of mind.
W.A., GT, East NSW.


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