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514 Views 5 Replies Last post: Mar 18, 2014 8:39 PM by MikeHardman RSS
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Mar 18, 2014 12:13 PM

Is this a giant Aquamarine?

Hello there,

 

This is my first time on this forum.  I am trying to identify this beautiful sculpture I own.  I believe it to be Aquamarine but am looking for clarification. 

I have no idea where the beautiful sculpture has originated from.

 

Unfortunately the photo's do not do it justice due to the dark area where the sculpture is located. However it is blue / green and is brighter than what is shown on these photos.  It was too heavy for me to lift to another area to take better photos.

 

It weighs almost 50 pounds.  The height is approx 39-40cm and the width is 17-18cm depending where measured.

 

Can anyone identify this and its country of origin?

 

Many thanks in advance,

 

Tamara

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  • Currently Being Moderated
    Mar 18, 2014 2:58 PM (in response to tamara.ker)
    Re: Is this a giant Aquamarine?

    Tamara,

     

    That's a chunky crystal!

     

    It looks like a crystal from a pegmatite - a very coarse grained igneous rock.

    Pegmatites are found in many countries; one couldn't tell which one yours came from.

     

    I would not be able to tell you exactly what mineral it is from a photo; that would need some hand-on testing to be anywhere near confident. The colour and crystal faces are not going to be good enough on their own.

     

    But going on what I can see in the photos...

    The crystals in pegmatite are often feldspars. However, the brightness you describe for the blue/green leaves room for it to be something else - and beryl (such as aquamarine) is certainly a possibility. Beryls can be over a metre in length. There are other minerals in the blue-green spectrum, such as kyanite and tourmaline.

    On balance, I think aquamarine has a fair chance of being right.

     

    Mike

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      • Currently Being Moderated
        Mar 18, 2014 3:58 PM (in response to tamara.ker)
        Re: Is this a giant Aquamarine?

        Hi Tamara,

         

        Thank you.

        I do not work for the NHM. I am a geologist, living in Cyprus, with long term interests in many aspects of natural history. I signed up with NaturePlus hoping to get some of my tricky specimens IDd over a year ago, but so far most of my questions remain unanswered [sad face]

         

        Yes - take it along to the NHM.

        Contact info here

        - http://www.nhm.ac.uk/visit-us/darwin-centre-visitors/marmont-centre/

        (I suggest you phone first.)

         

        Be guided by them are regards ID and the worthiness of testing.

         

        Regards,

        Mike

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            Mar 18, 2014 8:39 PM (in response to tamara.ker)
            Re: Is this a giant Aquamarine?

            Tamara,

             

             

            When you call the AMC, mention the weight problem. Maybe if you ask nicely, a tall dark and handsome would come to your place to have a look, seeing as you're so close-by. Then, if necessary, maybe he'd be able to take it to the AMC for you. I hope you can sweet-talk them into it! (I wouldn't be surprised!)

             

            Do point them to this discussion in the first place, though.

             

            I have not contacted The Smithsonian. I used to have a contact at the Louis Agassiz Museum at Harvard, but now I am out of touch with US instits.

             

            I look forward to you telling us what it is.

             

             

            Oh (one thought leads to another) when visiting Harvard, in the old Louis Agassiz building, I saw their most amazing collection of botanically-correct glass flowers and insects. They were crafted with unbelievable skill by father and son Leopold and Rudolf Blaschka in the late 1800s. The NHM also has a collection of these marvels of botanical artistry. If you can, do go have a look-see. If you do, I'd like to hear your impression.

            There's a podcast here, but I'm tempted to say don't watch it - it could dilute your experience when you see the real things. It is just a shame that they have only a few on display at any one time (in the Treasures Gallery). Still, when you get back home, you can look at others online, and that podcast.

             

             

            Mike (cy.linkedin.com/in/mikehardman/  www.mikehardman.com)

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