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 Post subject: Quizz data2: another blue
PostPosted: Mon Nov 21, 2005 4:45 am 
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Location: France | French Riviera
I am dark blue.

nx=1.650
ny=1.655
nz=1.670

who I am?

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PostPosted: Mon Nov 21, 2005 1:04 pm 
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Joined: Sun Oct 16, 2005 3:36 pm
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Location: San Francisco
peut-être

Euclase?

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PostPosted: Mon Nov 21, 2005 5:03 pm 
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That was on my mind aswell, but knowing gemca it will probably be wrong :)


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PostPosted: Tue Nov 22, 2005 9:26 am 
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Location: France | French Riviera
:cry:
I thougt that fiew people know the dark blue euclase :roll: .
I was wrong :oops: ...It seems that you are very aware about rare gemstones!! 8)

You have the good answer.
This is a dark blue euclase from Zimbabwe

Here some pics for fun and information:

Image

inclusions:
Inclusions like "trichite" in tourmaline:
Image
Image

Intense pleochroic color zoning:
Image

rounded cristals:
Image

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GemInterest.com


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