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Roger Warin
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Posted: Sep 26, 2013 03:59 Post subject: Leifite, a very rare silicate |
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Leifite
NaNa6[Be2Al3Si15O39F2] Point group 3m. Ditrigonal pyramid class. Unclassified Silicate.
“La Poudrette” Quarry, Mont St Hilaire, Québec.
This very rare mineral is associated with the alkaline intrusive complex gabbro-syenite, in cavities in this alkali-pegmatite. On the pic, you can see a small radiating aggregate and a profile view of a rosette.
Roger.
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Leifite La Poudrette Quarry, Mont St Hilaire, Québec |
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prcantos
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Posted: Sep 26, 2013 06:09 Post subject: Re: Leifite, a very rare silicate |
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Wow, Roger, what a nice and interesting mineral. Thank you for your beautiful picture!
_________________ Pablo Rodríguez Cantos
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Roger Warin
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Posted: Sep 26, 2013 07:12 Post subject: Re: Leifite, a very rare silicate |
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Thank you Pablo.
Best regards,
Roger.
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katherine.Dunnell
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Posted: Sep 26, 2013 07:40 Post subject: Re: Leifite, a very rare silicate |
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this is one of my favourite leifites in our collection. We are spoiled as we are pretty deep in MSH leifites
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Roger Warin
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Posted: Sep 26, 2013 08:19 Post subject: Re: Leifite, a very rare silicate |
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Wow....
What is its diameter? Thanks for sharing.
Roger.
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katherine.Dunnell
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Posted: Sep 26, 2013 08:43 Post subject: Re: Leifite, a very rare silicate |
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4.5 x 4 x 4 cm
it is a perfect pale pink ball.. i love it. It is on display in our gallery in our MSH section.
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lluis
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Posted: Sep 26, 2013 09:18 Post subject: Re: Leifite, a very rare silicate |
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My congratulations, Katherine!
Lluís
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Roger Warin
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Posted: Sep 26, 2013 16:58 Post subject: Re: Leifite, a very rare silicate |
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Hi,
A double terminated leifite is even rarer.
Paragenesis: serandite and aegirine.
LaPoudrette Quarry, Mont Saint Hilaire, Québec.
Roger.
Description: |
Leifite, sérandite, aegyrine La Poudrette Quarry, Mont St Hilaire, Québec |
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Viewed: |
11212 Time(s) |
![Leifite_C_R.jpg](files/leifite_c_r_151.jpg)
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Description: |
Leifite, sérandite La Poudrette Quarry, Mont St Hilaire, Québec |
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11200 Time(s) |
![Leifite_Da_R.jpg](files/leifite_da_r_156.jpg)
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