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24 Jul-14:41:03 Re: collection of michael shaw (Michael Shaw)
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Luxullianite - UK
  
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Roger Warin




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PostPosted: Jan 03, 2021 05:43    Post subject: Luxullianite - UK  

Hello,

Last but not least, yet importantly!
Happy New Year…

Comment: Beautiful terrestrial thin sections. It is worth the most beautiful meteorites by the underlying story.
Luxullianite is a nice granite from the UK that has become rare and has undergone the phenomenon of "tourmalinization". The original granite, which can be seen on the right in one of the thin sections, was included with spherulites of acicular tourmaline whose texture has become fibroradiated.
In cross-polarized light, there is a multitude of extinct Maltese crosses, typical of this spherulite texture.
The tomb of the Duke of Wellington, a friend of Napoleon, is made of this exceptional granite.
Roger.



009-Luxullianite#1-Voeux_R.jpg
 Mineral: Luxulianite (rock)
 Locality:
Luxulyan (Luxullian), St Austell District, Cornwall, England / United Kingdom
 Description:
 Viewed:  1772 Time(s)

009-Luxullianite#1-Voeux_R.jpg



010-Luxullianite#1-02-voeux_R.jpg
 Mineral: Luxullianite
 Locality:
Luxulyan (Luxullian), St Austell District, Cornwall, England / United Kingdom
 Description:
tourmaline (spherulite) and granite
 Viewed:  1777 Time(s)

010-Luxullianite#1-02-voeux_R.jpg



011-Wellington_bis_R.jpg
 Mineral: The tomb of the Duke of Wellington
 Description:
 Viewed:  1775 Time(s)

011-Wellington_bis_R.jpg


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Pete Modreski
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Joined: 30 Jul 2007
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PostPosted: Jan 03, 2021 10:04    Post subject: Re: Luxullianite - UK  

Very nice! From Cornwall, of course? I once got to attend a conference on granites, in St. Austell.
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