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  1. #1

    Jan 2018
    3
    2 times
    All Types Of Treasure Hunting

    What is this 17.4 rock?

    Click image for larger version. 

Name:	IMG_0073.JPG 
Views:	34 
Size:	3.28 MB 
ID:	1535730Click image for larger version. 

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Views:	32 
Size:	2.64 MB 
ID:	1535731Click image for larger version. 

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Views:	22 
Size:	2.12 MB 
ID:	1535732Click image for larger version. 

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Views:	25 
Size:	1.99 MB 
ID:	1535733

  2. #2
    us
    Mar 2014
    Traveling US to work
    Current Whites DFX Past Garret GTI 2500 and others Prospecting Minelab GPZ 7000 Past SD 2100 GP 3000 (retired)
    1,768
    1233 times
    Metal Detecting
    All I can say at the moment is that it appears to be a compacted mass of crystals. Hardness test, streak test if applicable, specific gravity test and maybe knock a fresh chunk off. Where was it found?
    Everyone Believes they have gold buried in the back yard... small wonder so few ever look for it.

  3. #3
    us
    Jason

    Apr 2011
    Butte City, Montana
    ace 250/garret pinpointer, garret AT Gold
    1,142
    1328 times
    All Types Of Treasure Hunting
    Looks a lot like Hornblende.

  4. #4

    Feb 2006
    693
    453 times
    There are many types of rock that are similar in appearance to that you have posted. If you believe it has value, have a portion assayed. Alternatively, many geologists could identify it with the aid of a loupe and a few different acids.

    Time for more coffee.

  5. #5
    us
    Jason

    Apr 2011
    Butte City, Montana
    ace 250/garret pinpointer, garret AT Gold
    1,142
    1328 times
    All Types Of Treasure Hunting
    Mmmm... sounds good!

  6. #6
    se
    Sep 2006
    Sweden
    White's V3, Minelab Explorer II & XP Deus.
    5,896
    1580 times
    Prospecting
    I'm kinda uncertain. Break it open and show us the fresh surface!
    Geologists are gneiss, tuff, and a little wacke.

 

 

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