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I tested it on a stone and streak is bright yellow , is this gold ? I also wanted to ask what you think about this other rock , I got from my brother that died in 1966 I have carried it around all these years not knowing for sure what it is really if in fact it is gold what do I do with it, where do I go from here?

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3 hours ago, corvette said:

I tested it on a stone and streak is bright yellow , is this gold ? I also wanted to ask what you think about this other rock , I got from my brother that died in 1966 I have carried it around all these years not knowing for sure what it is really if in fact it is gold what do I do with it, where do I go from here?

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20200629_181209.jpg

20200629_181154.jpg

Do you live in a gold field or in an area where gold has been found before?

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ECONOMIC GEOLOGY OF THE SIERRA ESTRELLA,
MARICOPA AND PINAL COUNTIES, ARIZONA
OPEN-FILE REPORT 93-12

September, 1993

Gold and Silver Pegmatites of the Sierra Estrella contain an average of 15 to 40 parts per billion (Ppb) gold with one pegmatite reportedly containing up to 23 ppm gold and 13.5 ppm silver (Korzeb, 1988). While most of the pegmatites are not presently an economically feasible source of gold or silver, they do provide a possible source for gold placer deposits. Since 1980 there have been over 75 placer claims located in the alluvium on the western side of the Sierra Estrella. These claims have not been worked beyond a few exploration trenches (as of 1991).

Fool's Gold and Real Gold - How to tell the difference - Geology.com

 Tests for Gold:
A small magnet, piece of glass and a bit of unglazed tile can help you identify real gold in a flash.
Googleology: Many more leads out there ... 
 
 
 
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I thought I responded already, but I don't feel its gold.  To be sure, take a pin and poke the gold.  If it cracks, its pyrite not gold.  If it dents, it could be gold. Another test you can do is a specific gravity test.  You weigh it dry and weigh it wet, do some math, and the closer the specific density is to 2.66 of quartz, the less likely it is to be gold.  There is enough of that yellow stuff in there, if it were gold that has a density closer to 18 I think the specific density of your rock would be quite a bit higher.

If you want to be sure, you can break a piece off, crush it into sand, and then pan.  Any gold will be in the bottom of the pan.

Yellow in quartz is fairly common.  Usually some mineral staining.  I think you have pyrite.

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