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What is it?
  
  Index -> FOR BEGINNERS: What is it? Where is it from?
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janjasina




Joined: 28 Mar 2022
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PostPosted: May 13, 2022 07:02    Post subject: What is it?  

Hello everyone,

I'm a newbie. I would like to ask for help in identifying the material the necklace is made from.
It is polished and transparent on one side, with a lot of irregular pink and grey inclusions inside. The other side which is not transparent is brown to dark reddish.

I will appreciate your help from whole my heart.

Best regards
J



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Fiebre Verde




Joined: 11 Sep 2013
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PostPosted: May 13, 2022 07:38    Post subject: Re: What is it?  

The whitish material could be microcline.
The black material could be aegirine and the cherry-colored one is very likely eudialyte.
A well-known location for eudialyte is the Khibiny alkaline pluton (Kola peninsula, Russia) which consists of a variety of nepheline syenites.
This cabochon is very likely from that locality.
Gerard
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Firmo Espinar




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PostPosted: May 13, 2022 08:16    Post subject: Re: What is it?  

It seems to me it was made from a brazilian included quartz.
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Bob Morgan




Joined: 18 Jan 2018
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PostPosted: May 13, 2022 08:22    Post subject: Re: What is it?  

'Looks like agate to me - perhaps a plume agate. But I don't know agates to guess a locality.
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alfredo
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PostPosted: May 13, 2022 10:18    Post subject: Re: What is it?  

I agree with Firmo: Quartz with inclusions, from Brazil.
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Amir Akhavan




Joined: 01 Dec 2009
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PostPosted: May 13, 2022 10:19    Post subject: Re: What is it?  

Curvelo, Minas Gerais, Brazil.

https://www.mindat.org/gallery.php?loc=105902&min=3337

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Amir C. Akhavan, Hamburg, Germany
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janjasina




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PostPosted: May 14, 2022 10:25    Post subject: Re: What is it?  

Thank you so much everyone!
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