Whitby Jet Necklace set?

Discussion in 'Antique Discussion' started by Abhaile2026, Sep 21, 2026.

  1. Abhaile2026

    Abhaile2026 New Member

    I have 2 matching necklaces, one smaller than the other, that are extremely light and feel like plastic but the clasp is 9 Kt gold? They both have some chips off the edges. The clasp on one has a 395 + 9k + what looks like a crown, the other has 395. How can I truly confirm this Whitby Jet and what year? Both together weigh 38 grams.
     
    Abhaile2026, Sep 21, 2026
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  2. daveydempsey

    daveydempsey Moderator Moderator

    Photos would help.
    One test for Jet is to draw a line with it on a piece of white printing paper.
    The line should be brown if Jet.

    Are you sure the numbers are not 375 which means 37.5% gold purity for 9k
     
    daveydempsey, Sep 21, 2026
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  3. Bronwen

    Bronwen Well-Known Member

    Welcome. Yes, we definitely need photos. You may need to downsize them to meet the site's requirements.

    Your description of light weight, feels like plastic, chipped at edges is very consistent with jet, as is the use of gold for the clasps, but we really do need to see.

    I found this interesting to read, even though it uses a lot of vocabulary specific to mining/geology I did not fully understand.

    https://nmrs.org.uk/mines-map/coal-mining-in-the-british-isles/cleveland-coal/jet-mining/
     
    Bronwen, Sep 21, 2026
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  4. wlwhittier

    wlwhittier Well-Known Member

    Welcome! You've been blessed with good information from 2 of our senior polymath members...this is a great place to be, an' hang out!
     
    wlwhittier, Sep 21, 2026
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  5. komokwa

    komokwa The Truth is out there...!

    komokwa, Sep 21, 2026
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  6. daveydempsey

    daveydempsey Moderator Moderator

    Never came back after posting.:(

    Oh well, time again to show off my raw Jet found on the beaches 75 miles south of Whitby :cool:

    Over 15kg, in my pension fund.

    20241013_135520.jpg


    20241013_135557.jpg


    Screenshot 2026-09-21 103535.png


    upload_2021-10-16_16-44-34.jpeg


    upload_2021-10-16_16-44-57.jpeg
     
    daveydempsey, Sep 23, 2026
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  7. komokwa

    komokwa The Truth is out there...!

    When you're a jet , you're a jet all the way....................:happy:
     
    komokwa, Sep 23, 2026
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  8. Ghopper1924

    Ghopper1924 Well-Known Member

    From your first cigarette to your last dying day….
     
    Ghopper1924, Sep 23, 2026
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  9. evelyb30

    evelyb30 Well-Known Member

    Nice! That'll pay for some bits the National Health doesn't.
     
    evelyb30, Sep 23, 2026
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  10. Bronwen

    Bronwen Well-Known Member

    I didn't realize until I read the mining article that it's all the remains of one particular type of tree, so it just occurs in pockets.
     
    Bronwen, Sep 24, 2026
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  11. komokwa

    komokwa The Truth is out there...!

    & it looks like Davey's pockets , are full !! :hilarious::hilarious:
     
    komokwa, Sep 24, 2026
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  12. evelyb30

    evelyb30 Well-Known Member

    It also looks like a good day to go beach-combing, or would if we had any jet around here. All we're likely to find is trash and seaweed.
     
    evelyb30, Sep 24, 2026
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