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Benj
Joined: 03 Mar 2013
Posts: 87
Location: Nantes City, FRANCE.
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 Posted: Mar 18, 2013 10:10 Post subject: Pegmatite's and Granit pocket 's minerals |
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Put your pegmatites minerals...
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Schorl (Tourmaline)
Saint Renan, Finistère, Brittany, France.
70*47 mm |
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38440 Time(s) |
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| Description: |
Schorl (Tourmaline)
Saint Renan, Finistère, Brittany, France.
70*47 mm |
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38398 Time(s) |
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Beryl
Ambazac Mounts (near Limoges City), Vénachat Uranium District, Central Massif, France.
170*30 mm |
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38416 Time(s) |
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Beryl
Ambazac Mounts (near Limoges City), Vénachat Uranium District, Central Massif, France.
170*30 mm |
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38469 Time(s) |
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Roger Warin
Joined: 23 Jan 2013
Posts: 1232
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| Posted: Mar 18, 2013 13:40 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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original, I've never seen such tourmalines
Roger.
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John S. White
Site Admin
Joined: 04 Sep 2006
Posts: 1298
Location: Stewartstown, Pennsylvania, USA
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| Posted: Mar 18, 2013 14:14 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Similar tourmaline (schorl) in aplite from Baltimore County, Maryland, USA, personally collected. In this case the schorl sprays are very tiny, about 5 mm in size.
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38262 Time(s) |
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38296 Time(s) |
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_________________
John S. White
aka Rondinaire |
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Benj
Joined: 03 Mar 2013
Posts: 87
Location: Nantes City, FRANCE.
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| Posted: Mar 18, 2013 16:21 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Super John !
Nice halter (or collar ?) !
(sorry, I am bad in english langage :( )
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Tracy
Joined: 15 Sep 2006
Posts: 551
Location: Toronto
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| Posted: Mar 18, 2013 17:08 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Perhaps you mean necklace?
- Tracy
_________________
"Wisdom begins in wonder" - Socrates |
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Benj
Joined: 03 Mar 2013
Posts: 87
Location: Nantes City, FRANCE.
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| Posted: Mar 19, 2013 09:52 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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garnet in pegmatite...
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garnet, muscovite, feldspath.
Groix Island, Morbihan, Britanny area, Armoric Massif, France.
80*50 mm |
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38094 Time(s) |
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garnet, muscovite, feldspath.
Groix Island, Morbihan, Britanny area, Armoric Massif, France.
80*50 mm |
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38089 Time(s) |
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| Description: |
garnet, muscovite, feldspath.
Groix Island, Morbihan, Britanny area, Armoric Massif, France.
80*50 mm
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38076 Time(s) |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Mar 20, 2013 08:53 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Pocket mineralization from a Maine pegmatite.
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Quartz and cookeite
Bennett mine, Buckfield, Maine
12 x 12 cm. |
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37904 Time(s) |
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| Close up of the old label. I bought this in 1980. |
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37864 Time(s) |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Mar 20, 2013 09:24 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Russell garnet.
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Garnet
Small pegmatite, Russell, MA.
4 cm. crystal |
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37833 Time(s) |
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Quartz
Albany County, New Hampshire.
18 x 8 cm. |
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37898 Time(s) |
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Mark Ost
Joined: 18 Mar 2013
Posts: 516
Location: Virginia Beach
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| Posted: Mar 20, 2013 13:51 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Hi John
Do you know the formation or member the schorl came out of?
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supertxango
Joined: 15 Jul 2012
Posts: 135
Location: Madrid
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| Posted: Mar 20, 2013 17:32 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Hi,
Nice topic! Some common minerals from pegmatites of Madrid granite quarries.
Regards,
Juan H
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Quartz (smoky)
Los Alisos W Quarry, Los Alisos, Valdemanco, Madrid, Spain
10x3 cm
Fot. & Col. Juan Hernandez.
Adquired in December of 2007. |
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37722 Time(s) |
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Prehnite
Los Taberneros Quarry, Los Taberneros, El Berrueco, Madrid, Spain
10x8 cm.
Fot. & Col. Juan Hernandez.
Adquired in December of 2006. |
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37714 Time(s) |
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Orthoclase
Los Taberneros Quarry, Los Taberneros, El Berrueco, Madrid, Spain
26x20 cm.
Fot. & Col. Juan Hernandez.
Adquired in June of 2011. |
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37739 Time(s) |
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| Description: |
Quartz (smoky)
Los Alisos W Quarry, Los Alisos, Valdemanco, Madrid, Spain
17x15 cm.
Fot. & Col. Juan Hernandez.
Adquired in March of 2011. |
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37781 Time(s) |
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John S. White
Site Admin
Joined: 04 Sep 2006
Posts: 1298
Location: Stewartstown, Pennsylvania, USA
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| Posted: Mar 20, 2013 20:24 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Hi Mark:
The schorl occurs in an aplite dike that transverses a preCambrian marble, the Cockeysville marble, in the Green Spring quarry, now closed.
_________________
John S. White
aka Rondinaire |
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Mark Ost
Joined: 18 Mar 2013
Posts: 516
Location: Virginia Beach
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| Posted: Mar 20, 2013 20:28 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Thanks John
I am mostly familiar with Western Maryland/ West Virginia geology where I have one of my favorite clients.
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Benj
Joined: 03 Mar 2013
Posts: 87
Location: Nantes City, FRANCE.
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| Posted: Apr 13, 2013 05:32 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Nice Spanish minerals ;)
Other pegmatite's mineral...
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Quartz (smoky)
Estaing, Hautes-Pyrénées Departement, Pyrenees mountains, France.
40 mm (high). |
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37129 Time(s) |
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Microcline (veriety Amazonite) with Fluorite
Teller Co., Colorado, USA.
35 x 28 mm |
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37161 Time(s) |
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Schorl (Tourmaline)
Saint Malo, Mont Saint-Michel Bay, English Channel, Brittany Area, France.
20 mm the left crystal of Schorl |
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37119 Time(s) |
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Beryl, smoky Quartz, Feldspath, Albite
Gilgit, Pakistan.
40 x 18 mm |
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37101 Time(s) |
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Autunite in pegmatite
Orvault, near Nantes City, France.
1 and 2 mm |
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37108 Time(s) |
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| Description: |
Autunite in pegmatite
Orvault, near Nantes City, France.
micro
1 and 2 mm |
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37115 Time(s) |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5027
Location: Barcelona
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| Posted: Apr 13, 2013 05:58 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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Benji,
We always need the sizes of every specimen, please remember it. Thank you.
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Benj
Joined: 03 Mar 2013
Posts: 87
Location: Nantes City, FRANCE.
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| Posted: Apr 14, 2013 09:22 Post subject: Re: Pegmatite's and Granit pocket 's minerals |
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ok ;)
Microcline : 35*28 mm
Beryl : 40*18 mm
Autunite : 1 mm, 2mm
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