Featured Nice little Alexandrite surprise today

Discussion in 'Pottery, Glass, and Porcelain' started by Bdigger, Jun 20, 2022.

  1. Bdigger

    Bdigger Well-Known Member

    Went to the antique shop today to add some stuff to my space and found these 2 nice Alexandrite pieces in a booth there for $20 ea. I snagged them and have no regret’s

    4495F849-24FA-4901-BC38-DE9E0CEC4391.jpeg
     
  2. evelyb30

    evelyb30 Well-Known Member

    Regerts either. I'd have bagged those so fast....
     
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  3. wlwhittier

    wlwhittier Well-Known Member

    I'm confused. Alexandrite is chrysoberyl, a naturally occurring gemstone. Those two treasures appear to be made of glass. How did the name of one become a name for the other? Does it have to do with color change based on differences in light, or?
     
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  4. Bdigger

    Bdigger Well-Known Member

    @wlwhittier Yes, the glass is different colors in different lighting. Just like the Gem. Heisey called the color Alexandrite. Other makers called it by different names. But like the Gemstone......It can be expensive. Especially Older heisey pieces. Below is pictures of a Perfume Bottle I own showing the color change.



    alex.JPG alex1.JPG
     
  5. evelyb30

    evelyb30 Well-Known Member

    Alexandrite glass, properly termed neodymium glass. Aka color change glass. Anyone who's been around glass or costume jewelry, or both, would know the reference. Others might not.
     
  6. Bdigger

    Bdigger Well-Known Member

  7. Bdigger

    Bdigger Well-Known Member

    Here is a picture of one of the pieces I bought today. One in incandescent light and one in fluorescent light.


    16E6D13F-5AD0-442C-8D51-EC6AF2363D66.jpeg A677A13A-8C02-4AC6-B54B-B4FF1E81DE4D.jpeg
     
  8. Ownedbybear

    Ownedbybear Well-Known Member

    The addition of rare earth metals to the glass recipe causes colour change under different light temperatures. Neodymium is one, others are also used. Alexandrite glass, as a term, is because the neodymium colour impact resembles the natural gemstone.
     
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  9. say_it_slowly

    say_it_slowly The worst prison is a closed heart

    And they are so fun!
     
  10. Ownedbybear

    Ownedbybear Well-Known Member

    They are, up there with UV lights.

    My A level Physics comes back to me....!
     
  11. Lucille.b

    Lucille.b Well-Known Member

    Let's face it, they're fun. I have this little neodymium Fire and Light star. When I walk into the room and it's a different color I almost gasp. Like it's alive!

    Cheap thrills, but there you are.

    Gorgeous bowls, Bdigger. A+ on the physics exam, Bear!
     
  12. wlwhittier

    wlwhittier Well-Known Member

    fullsizeoutput_96ab.jpeg fullsizeoutput_96a8.jpeg fullsizeoutput_96a6.jpeg Our discussion caused me to recall a cut Alexandrite I had squirreled away...but where? Unusually, when I awoke the answer was clear!

    Obviously a synthetic stone...but an almost forgotten bauble revealed, and so I share what little I know.

    ~20 carat, 17mm diameter at the girdle, 8.77mm deep. I haven't examined it microscopically (not that I'm smart enough to determine anything significant thereby) so cannot even say if it has inclusions, or if there are chips on any of the facets. I cannot say where I got it, nor at what cost.

    The 1st pic is under LED light; the 2nd is spotlighted by small LED flashlight; the 3rd is an older incandescent flashlight.

    Thanks for all the lessons about the glass version of this delightful color-changing effect.
     
  13. Bdigger

    Bdigger Well-Known Member

    Very Nice~ I was fortunate enough to obtain a few Natural alexandrites back in the 70's. Small stones but nice color change. One 3x3 trillion I had set for myself in a ring.....but alas it was stolen in a burgalry. I still have the others put away somewhere. I even have a natural Alexandrite cats eye. The color change isn't spectacular, but it is observable.
     
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  14. Eric Baker

    Eric Baker New Member

    Alexandrite is a unique gemstone that changes color in different lighting. In natural light, it appears greenish-blue, but in artificial light, it takes on a purplish-red hue. This color-changing ability makes it a popular choice for jewelry, and Alexandrite engagement rings are especially lovely.
     
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  15. evelyb30

    evelyb30 Well-Known Member

    There are also multiple synthetics, and an art glass that's called alexandrite glass. It's technically neodymium glass, but most people use the other name.
     
  16. moreotherstuff

    moreotherstuff Izorizent

    A neodymium bird-shaped bowl I have:
    Dscn3695zz.jpg

    And a Cristaux d'Art vase I used to have:
    NeodymiumStLouisCristauxdArtCrystalGlassVase-b.jpg
     
  17. baltojoe75

    baltojoe75 Member

    That's so cool. I had never seen this glass before, only the gemstone.
     
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