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  1. #1
    us
    Feb 2015
    Sacramento
    45
    80 times
    Prospecting

    Specimens

    As I said in my forum post from Monday "My First Quartz Gold Specimen" I would be posting photos of my specimens over the next few weeks. Here I have some images of the second specimen I found in the heart of the mother lode near a historically productive area.

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  2. #2
    us
    May 2014
    AZ
    Beach High Banker, Sweep Jig, Whippet Dry Washer, Lobo ST, 1/2 width 2 tray Gold Cube, numerous pans, rocker box, and home made fluid bed and stream sluices.
    2,149
    3108 times
    Prospecting
    Beautiful! Was it a visual find? More good luck in the future.
    Last edited by arizau; Feb 08, 2015 at 02:42 PM.
    If it can't be grown, it must be mined!

  3. #3
    us
    Feb 2015
    Sacramento
    45
    80 times
    Prospecting
    Quote Originally Posted by arizau View Post
    Beautiful! Was it a visual find? More good luck in the future.

    Yes Arizau, it was a visual find and thank you.
    KevinInColorado and Bejay like this.

  4. #4
    us
    This isn't a hobby! It's hard work!

    Feb 2013
    Golden Valley Arid-Zona
    Fisher / Gold Bug AND the MK-VII eyeballs
    3,465
    6156 times
    Prospecting/Mining and protecting our rights to do so.
    Very nice!
    sierra_ronin likes this.
    http://www.mylandmatters.org/
    The one stop place for mining matters on public lands!

    "Those that make peaceful revolution impossible will make violent revolution inevitable" John F. Kennedy

    When I joined the Army I took an oath to protect this country from enemies both foreign and domestic. To the best of my knowledge I've never been relieved of that oath and will continue to follow it to the best of my ability.

  5. #5
    us
    Dec 2013
    N. California
    Bazooka Prospector-Sniper-Supermini Thanks Todd & Chris, Goldhog Multisluice Thanks Doc, My Land Matters Thanks Claydiggins, 6 Senses
    1,860
    4725 times
    Prospecting
    Beautiful specimen. Have you been able to determine how much gold it contains?

  6. #6
    Charter Member
    us
    Aug 2013
    Some where out there
    Equinox 800 / XP Deus / ORX / Simplex+
    8,074
    8410 times
    Wow! Just beautiful! Thank you for the pics!
    sierra_ronin and Bejay like this.


    “Strive not to be a success, but rather to be of value.”
    – Albert Einstein

  7. #7
    us
    Feb 2015
    Sacramento
    45
    80 times
    Prospecting
    Quote Originally Posted by goldenmojo View Post
    Beautiful specimen. Have you been able to determine how much gold it contains?
    Goldenmojo,

    I have not...need to get a scale with a larger maximum weight limit as well as a large beaker or graduated cylinder.
    goldenmojo likes this.

  8. #8
    Make America Great Again

    Apr 2013
    Oregon
    1,649
    3790 times
    All Types Of Treasure Hunting
    thats nice...
    after you get a lager scale heres some calculations
    Specific Gravity Test : Gold Nuggets For Sale - Buy Gold Nuggets - Australian Gold Nugget
    " A pessimist is an optimist with experience "

  9. #9
    us
    Feb 2015
    Sacramento
    45
    80 times
    Prospecting
    Quote Originally Posted by winners58 View Post
    thats nice...
    after you get a lager scale heres some calculations
    Specific Gravity Test : Gold Nuggets For Sale - Buy Gold Nuggets - Australian Gold Nugget
    Thanks I like the method used here.

  10. #10
    us
    Dec 2013
    N. California
    Bazooka Prospector-Sniper-Supermini Thanks Todd & Chris, Goldhog Multisluice Thanks Doc, My Land Matters Thanks Claydiggins, 6 Senses
    1,860
    4725 times
    Prospecting
    That size rock and the amount of gold showing on the exterior it could have a considerable number of ounces inside. I await the measurement. Very nice find.
    sierra_ronin and Aufisher like this.

  11. #11
    us
    If it can be found in dirt, i seem to like it...

    Feb 2015
    Pennsylvania
    White's XLT (2), Garrett Ace 250, Garrett AT Pro, Garrett AT Gold
    950
    1267 times
    All Types Of Treasure Hunting
    That is sooooo cool!
    And you found it yourself! Id love to have something like that in my specimen cabinet!
    Awesomeawesomeawesomeawesome!!!!!!!
    sierra_ronin and Bejay like this.
    Always Happy Hunting... and when finding is involved...

  12. #12
    us
    Mike

    Dec 2014
    Bodfish and Marin county CA
    Garrett , Whites keene puffer drywasher , Keene A51 Sluice
    397
    1032 times
    Drywashing , Sluicing , Panning
    Good eye and thanks for the proof
    sierra_ronin and Tonto like this.
    Stay thirsty my friends

  13. #13
    us
    Aug 2006
    Middle of Kansas
    643
    201 times
    All Types Of Treasure Hunting
    Quote Originally Posted by winners58 View Post
    thats nice...
    after you get a lager scale heres some calculations
    Specific Gravity Test : Gold Nuggets For Sale - Buy Gold Nuggets - Australian Gold Nugget

    Couldn't you also get the Specific Gravity by measuring the volume of the sample and weighing it? Rather than weighing it under water. Then jump into the middle of his formula. Maybe I'm all wet (LOL)

    Specimen dry weight: 35.8 Grams
    Specimen wet weight: 27.9 Grams
    35.8 minus 27.9 equals 7.9 Difference (D)
    35.8 divided by 7.9 equals 4.53, the specific gravity of the specimen (SG) <== isn't this the density?
    4.53 minus 2.63, the average specific gravity of quartz, equals 1.9 (R)
    1.9 (R) multiplied by 7.9 (D) equals 15.01 (R2)
    15.01 divided by the constant 25.97 equals 0.577 ounces of contained gold
    0.577 ounces multiplied by 31.103 (the number of grams in a troy ounce) equals
    17.94 grams of contained gold in the specimen.
    sierra_ronin and goldenmojo like this.

  14. #14
    Make America Great Again

    Apr 2013
    Oregon
    1,649
    3790 times
    All Types Of Treasure Hunting
    one method "how much water is displaced" (to measure volume)
    the other method compares wet and dry weight

    specific gravity" & "density" are interchangable

    list of common density (about half way down)
    Desert Gold Diggers - Gold Facts
    and you can also search here then find Density; Mineralogy Database - Mineral Collecting, Localities, Mineral Photos and Data
    more specific gravity tests and calculators
    Desert Gold Diggers - Specific Gravity Test
    Last edited by winners58; Feb 08, 2015 at 10:14 PM.
    sierra_ronin and Hoser John like this.
    " A pessimist is an optimist with experience "

  15. #15
    us
    Mike

    Dec 2014
    Bodfish and Marin county CA
    Garrett , Whites keene puffer drywasher , Keene A51 Sluice
    397
    1032 times
    Drywashing , Sluicing , Panning
    One more specific gravity test
    sgtest
    sierra_ronin likes this.
    Stay thirsty my friends

 

 
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