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Found a rock that read on my ExpII --00/28 What is it?

A

Anonymous

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Found a rock that is approx. 2.5 in.long and 1.5 in. thick while out detecting today. I thought I hit a Quarter or Half when I read 00/28. When I dug it out, seeing it was a rock ,it baffled me because all the hotrocks I,ve found read more to an iron compound. Upon examination with a strong glass, I see what appears to be flakes of a silvery granulate imbedded in it. I checked with my neighbor across the street and he got the same reading on his exII. Would this be silver ore????????????? Thanks ahead
 
I wonder why nobody has declared here about finding any meteorite. Should be plenty... Here is a sample of one metal meteorite with fe+nickel inclusions.
HH, Dok-Atn
 
And I know some people hunting for meteotites thus it's profitable and interesting <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)">
 
Yes it could be a meterorite as suggested below. However, there are other explanations too. It could also be galena (a lead sulfide which commonly contains silver). Galena is silvery to gray in color,produces a gray streak ,and commonly is cubic in crystal form. I have detected a lot of galena with my detector(not an EX11). By the way native silver is usually very rare.
George
 
The rock I found looks and feels like it is a loose sandstone. It is light brown and has some silicate conglomerate mixed with what appears to be tiny specks (less than a mm.) of a silvery metalic substance in it. It is not obviously heavier than an ordinary sandstone the same size. Having been exposed to several samples of meteoric material I do not think this rock falls into this catagory. It also does not seem to have been exposed to a heat source and fused.
My neighbor suggests that it may be a silver ore of some type and not knowing what the ore looks like, I'm just guessing. It also reads 00/28 on my ExII showing no ferr and a con of 28. ??????????????????
 
George ---That galena theory sounds very interesting. Do you know if it is put under a microscope it would show up as a crystaline form that could be identified as such? What is galena and is it useful for any purpose in society?(curiosity question) Thanks for the info!
 
What does your meteors read on your ExII in digital?
Thanks for the pics. Fred D
 
It is not mine. I took a picture from one site where one guy found it with XLT.
 
Yes- if you see gray/silver cubic crystals under a microscope with that specimen odds are that it is galena(also very soft and heavy). Galena is the #1 mineral for lead. Silver is usually a by-product when galena is processed. Silver bearing galena is argentiferous galena. Probably more silver has been extracted with galena than any other mineral.
As I detect around old mine dumps I see a lot of it.
However, this is just one possible explanation. It could very well be something else. As you found it in New York?- perhaps another explanation will be revealed such as slag? molten metal? or even a meteorite. A photo would probably reveal what it really is.
George
 
G Baker ---Thank You for the info. I live near State University of N.Y. so a visit to the geology department would likely be in order. This really peaks my interest. Fred D.
 
i was given a small meteorite, and it is about 2-1/2" long and 1-1/4" wide, and average thickness is about 3/8"
it reads 31--31 and i have to set up in all medal, and manual with 25 sensitivity to even get a sound from it.
a very strong magnet will hold it good, but is not like a piece of steel.
the magnet i used is one the gold prospectors put on their pick, to pick up iron with, if you put it on a piece of 1/4" steel you can not pick it up with your fingers, you have to slide it off to one of the edges to get it off, if you are not careful, it will get your finger skin in between the steel and the magnet, and will give you an instant blood blister.
i enjoy the learning info that you folks send out, it has helped me a lot.
thanks everyone,
jim
 
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