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QUARTZ MINING 

Californians were fortunate in that most of their gold ores were what is known as "free-milling"; that is, after the rock had been crushed so as to free the gold, the latter would amalgamate readily with quicksilver. There were some exceptions. Mill men discovered that a small percentage of the gold was enclosed within various forms of metallic sulphide colloquially known as 'sulphuret.' Mercury could not come into contact with the gold so long as the ore was locked within the sulphide. To the men of that day it seemed that mere mechanical treatment of the ore was not sufficient to release the gold, and that therefore chemistry and metallurgy would have to be used before progress could be achieved. This was too complex a problem for the average California mill operator of the 1850s and since the loss through sulphuret was relatively small, he was able to thrust it out of his mind for the time being. excerpt from MINING FRONTIERS OF THE FAR WEST 1848-1880 by Rodman Wilson Paul

LARGE Size Gold Nugget/Specimen

 9.8 Grams

est. gold content @ 6+ grams

This is fantastic gold nugget/Specimen

from the Georgetown area of N. Queensland.

Gold nuggets from this area are of very high purity!

The alluvial gold in this area has been mined for over 100 years and some mining is still being carried out today. Most gold from this area is generally attached to quartz and/or ironstone.

 Top notch specimen.

Excellent for gold nugget collections.

At shows, Australian natural gold specimens like this

sell much faster & get a premium over the basic gold nuggets!

This is good news both for the collector and investor.

$400.00

gold nugget specimen gold rush miner

 

gold nugget specimen gold rush miner

"Beautiful pieces; great addition; fast shipping; one definitely to buy from++++
Awesome beautiful gold nuggets"

 

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Australian GOLD

LARGE Size 

Gold Nugget in Quartz Specimen

14.2 Grams

This is fantastic gold nugget

from the Georgetown area of N. Queensland.

$380.00

gold nugget specimen gold rush miner gold nugget specimen gold rush miner gold nugget specimen gold rush miner

 

Australian GOLD  

Gold Nugget Quartz Specimen

 6.4 Grams

This is fantastic gold nugget

from the Georgetown area of N. Queensland.

$299.00

gold nugget specimen gold rush miner gold nugget specimen gold rush miner

 

Australian GOLD  

Gold Nugget Quartz Specimen

 6.4 Grams

This is fantastic gold nugget

from the Georgetown area of N. Queensland.

$195.00

gold nugget specimen gold rush miner

gold nugget specimen gold rush miner

 

 

California GOLD

Gold Nugget Quartz Specimen

3.9 Grams

$89.00

 

 

California GOLD

Gold Nugget Quartz Specimen

 .4 Grams

$71.00

 

 

California GOLD

Gold ore Specimen

 25.9 Grams

$55.00

California gold nugget specimen gold rush miner

 

 

The two rows below show

Marble Gold Ore Ropes Mine Specimen Rough Slab Slabs

Michigan gold to my limited understanding, is famous for a few different types of characteristics; I'll pass on what I know and have heard along the way.  One characteristic is it's mixed with silver, and some other things such as iron copper, pyrite, lead, etc. Some of the largest iron and copper mines in the world were there.  Pyrite is an easily misunderstood term and concept of what that actually means. The chemical formula and variety of actual minerals being present and combinations and amounts there of ,vary wildly in different types. Some are worth a lot; some worth little. Michigan has very rich deposits of iron, copper, silver, gold and another little known and talked about subject, radioactive minerals.  All are quite abundant throughout the Lake Superior basin. That's a fact!

The ultimate questions asked and answered are:  Is there gold in that pyrite / sulphide?   Well yes there is. Is there pyrite in that gold?  Well yes there is. Is there enough precious metal in this stuff that they crushed it and in the end came out with tons of gold and silver?  Yes they did and for almost a hundred years, too. You say toe-may-toe I say toe-mah-toe.  Is there gold in it? Yes the big question is, how much? the answer is, I don't know.  Is it from the mine?  Yes it is; 100% positive.  Is there precious metal in it ?  Yes there is.  How much ? I don't know! 

The richest gold ore ever found in the state of Michigan was a chalcopyrite with over 4 ounces of gold per ton with a good amount of silver / copper and lead per ton on top of that. A very valuable and fabulously rich gold ore, and also one of the richest gold ores in the United States History, was a chalcopyrite from Michigan.. Folks , I said a chalcopyrite / pyrite; basically fool's gold.  When that assay came back he sure didn't call that ore fools gold ever again, and either would I.  

My personal observation is the gold and silver purity is greatest in the quartz and less in the marble.  Usually more sulphide / pyrites / irons are mixed with the gold in the marble, which was one of the famous metallurgical problems the mine had processing the ore, causing very high and deadly pollution in the area, even to this day.  Thisis why sulphide mining is such a touchy subject throughout the area to this day. Silver in the marble is a very rare thing and not common at all. There are also many different / rare / metals / minerals /  and some radioactive that I can not identify.  Don't worry nothing dangerous.   

 

 

 

Marble Gold Ore Ropes Mine Specimen Rough Slab

Marble Green Gold Ore Ropes Mine Michigan  Specimen Rough Slab  app.55 x 27 x  8 mm shows pin head size flecks on surface, very cool collectable   No idea of exact purity of metal present.  I am not an assayer, but I can tell you the mine was very very rich in gold and silver and produced precious metal for nearly a hundred years. Michigan's most famous gold mine, sulphide sulphides metal mining

 26 Grams

$35.00

 

 

Marble Gold Ore Ropes Mine Specimen Rough Slab

Gold Bearing Green Quartz  Ropes Gold Mine Michigan Specimen Display Rough Slab Slabs Mining, slab is app.  55 x 40 x 8 mm.  I think this one is better suited to be left as a specimen from the state's most famous gold mine.  No idea of exact purity of metal present. I am not an assayer but I can tell you the mine was very rich in gold and silver and produced precious metal for nearly a hundred years . Michigan's most famous gold mine , sulphide sulphides metal mining 

36 Grams

$65.00

 

 

Marble Gold Ore Ropes Mine Specimen Rough

Gold Ore Collector Piece A+ Ropes Gold Mine Michigan Specimen Rough app. 45 x 60 x 15  mm.  Hard to appreciate in a picture app 220 cts, lots of gold / silver colored metal metallic globs all over this piece, very cool.  It's a nice one, formed just to the side of quartz vein, with a little still left on.  Will make a very nice display piece.  This is an odd one; a lot of this metal looks white, doesn't look like the normal marble ore, and something different about it doesn't look like a pyrite either. Not sure what it is but looks pretty darn cool. Please continue to read below!

No idea of the purity and exact type of all metals, silver gold lead iron pyrites etc. present.  I am not an assayer so all I can say is the Ropes Mine was the most famous gold mine in Michigan history , producing thousands of ounces of precious metal / gold and silver for nearly a hundred years and the most famous gold mine in the state's history.  sulphide mining

50 Grams

$85.00

 

 

Gold Ore Marble Ropes Mine AAA++ Specimen Display 7oz.+

Gold Ore Marble Ropes Mine AAA++ Specimen Display app. .5 lb, 90x 40 x 47 mm.  Hard to appreciate in a picture; nice piece.

No idea of the purity and exact type of all metals , silver ,gold ,lead, iron pyrites etc. present.  I am not an expert or an assayer; all I can say is the Ropes Gold Mine was the most famous gold mine in Michigan State history producing thousands of ounces of precious metal / gold and silver for nearly a hundred years.

7oz+

$84.00

 

 

Gold Ore Quartz Ropes Mine Specimen Slab Rough

Gold Ore In Quartz  Ropes Mine Michigan Specimen Slab Slabs  Rough  pieces app. 175 cts carats , Gold / silver  colored metal present ,app 47 x 50 x 8  mm.  Fun stuff; you could get a couple really nice cabs from this

No idea of the purity and exact type of all metals , silver ,gold ,lead, iron pyrites etc. present. I am not an expert or an assayer; all I can say is the Ropes Gold Mine was the most famous gold mine in Michigan State history, producing thousands of ounces of precious metal / gold and silver for nearly a hundred years .

35 Grams

$51.00

Gold Ore Quartz Ropes Mine Michigan Slab Display Rough

Gold Ore Quartz Ropes Mine Michigan Specimen Slab Slabs  Rough  Gold colored metal present  app.  x 29 x 59 x 10 mm,  fun stuff. 

No idea of the purity and exact type of all metals, silver, gold, lead, iron pyrites, etc., present , I am not a metallurgist or an assayer; all I can say is the Ropes Gold Mine was the most famous gold mine in Michigan State history, producing thousands of ounces of precious metal / gold and silver for nearly a hundred years .

38 Grams

$57.00

California GOLD

Gold Nugget Quartz Specimen

 7.1 Grams

$145.00

 

 

 

California GOLD

Gold Nugget Quartz Specimen

 5.6 Grams

$85.00

California GOLD

Gold Nugget Quartz Specimen

w/visible gold on all 2 sides

23.5 Grams

$55.00

California GOLD

Gold Nugget Quartz Specimen

 .5 Grams

$80.00

 

 

 

California GOLD

Gold Nugget Quartz Specimen

 7.9 Grams

$70.00

California GOLD

Gold Nugget Quartz Specimen

12.8 Grams

$61.00

 

California GOLD

Gold Nugget Quartz Specimen

.2 Grams

$48.00

 

 

 

 

 

 

 

California GOLD

Three

Gold Nugget Quartz Specimens

w/visible gold

34.3 Grams (over one oz)

$97.00

 

California GOLD

Gold Nugget Quartz Specimen

1.3 Grams

$48.00

California GOLD

Gold Nugget w/Quartz matrix

3.7 Grams

$199.00

 

California GOLD

Gold Nugget Quartz Specimen

w/visible gold

9.7 Grams

$75.00

 

California GOLD

Gold Nugget Quartz Specimen

w/visible gold

8.2 Grams

$65.00

California GOLD

Gold Nugget Quartz Specimen

w/visible gold

5.6 Grams

$45.00

 

California GOLD

Gold Nugget Quartz Specimen

w/visible gold

2.8 Grams

$52.00

California GOLD

Gold Nugget Quartz Specimen

w/visible gold

2 Grams

$65.00

California GOLD

Gold Nugget Quartz Specimen

1.2 Grams

$41.00

California GOLD

Gold Nugget Quartz Specimen

w/visible gold

From Texas Hill Mine, Mariposa Co, CA

1.2 Grams

$99.00

California GOLD

Gold Nugget Quartz Specimen

w/visible gold on all 3 sides

11.5 Grams

http://seo711.googlepages.com/j0305725.jpg

California GOLD

Gold Nugget Quartz Specimen

6.3 Grams

$37.00http://seo711.googlepages.com/j0305725.jpg

 

California GOLD

Gold Nugget Quartz Specimen

2 Grams

$95

California GOLD

Gold Nugget Polished Quartz Specimen

Sierra Nevada Mtns.

.5 Grams

$39

 

 

California GOLD

Gold Nugget Quartz Specimen

3.6 Grams

http://seo711.googlepages.com/j0305725.jpg

California GOLD

Gold Nugget Quartz Specimen

5.9 Grams

$57.00

California GOLD http://seo711.googlepages.com/j0305725.jpg

Gold Nugget Quartz Specimen

7.4 Grams

$97.00

 

California GOLD

http://seo711.googlepages.com/j0305725.jpg

15.6 Grams

 

gold in quartz - gold specimen - gold nugget

HERE IS ANOTHER FINE GOLD IN QUARTZ SPECIMEN FROM MARIPOSA COUNTY CALIFORNIA,

THE PRESCOTT VEIN IN THE BADGER MINE.

HAS A LOT OF GOLD VEINS SHOWING. IT MEASURES 35MM X 20MM X 12MM.

 

Shipping to California requires 8% Sales Tax added to purchase price.

 Insurance is optional, but, suggested. Will combine purchases to save on shipping.

Use of Paypal requires additional 3% added to purchase price

Our pictures are enlarged to show details.

Payment must be received within 7 days

Crystalline gold - additional nugget photos - Click Here

 

 

Questions:

nugget7@gmail.com

 

 

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