New Mineral Named After GIA’s John Koivula
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 Post subject: Re: A vivid yellow gem - what is it?
PostPosted: Tue Aug 01, 2017 5:33 am 
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No...

Marc - you live close to a country with a beautiful gem material with a vivid color too...same RI range - same hardness....

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 Post subject: Re: A vivid yellow gem - what is it?
PostPosted: Tue Aug 01, 2017 6:15 am 
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cancrinite ? (same RI range and hardness as haüyne from Germany)

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 Post subject: Re: A vivid yellow gem - what is it?
PostPosted: Tue Aug 01, 2017 6:52 am 
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BINGO! =D> =D> =D>

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 Post subject: Re: A vivid yellow gem - what is it?
PostPosted: Tue Aug 01, 2017 10:09 am 
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=D>

Yes Cancrinite from Bancroft, Ontario Canada.

A tiny stone with only 0,06 ct - a Feldspathoid like Afghanite, Sodalite or Hauyne

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 Post subject: Re: A vivid yellow gem - what is it?
PostPosted: Wed Aug 02, 2017 12:29 am 
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I have never met a sodium aluminum feldspathoid that wasn't love at first sight. :smt007


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 Post subject: Re: A vivid yellow gem - what is it?
PostPosted: Wed Aug 02, 2017 2:16 pm 
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German Hauyne - canadian Cancrinite and Afghanite - a member of the Cancrinite group...

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