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A mineralogical trip through the regions of the UK - Wales
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ian jones




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PostPosted: Mar 06, 2014 10:51    Post subject: Re: A mineralogical trip through the regions of the UK - Wales  

Tabular, pale blue baryte crystals to 35mm on calcite, exceptional for the locality and for South Wales. Collected by David Lloyd and Richard Barstow May 1981. Ex Richard Barstow collection.


Baryte blaengwynlais W04.01.jpg
 Description:
Baryte
Blaengwynlais Quarry, Cardiff, South Wales, UK
Baryte crystals to 35mm
 Viewed:  40167 Time(s)

Baryte blaengwynlais W04.01.jpg


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ian jones




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PostPosted: Mar 07, 2014 10:53    Post subject: Re: A mineralogical trip through the regions of the UK - Wales  

Minute dickite crystals richly covering dolomite. From Pant-y-Gaseg Mine, Anglesey, the type-locality.


dickite pgm 2.jpg
 Description:
Dickite
Pant-y-Gaseg Mine, Amlwch, Isle of Anglesey, Wales, UK
Specimen 50mm across
 Viewed:  40201 Time(s)

dickite pgm 2.jpg



P7100903.jpg
 Description:
Pant-y Gaseg adit, driven c1860. The adit crops out half way down a cliff and is very well hidden. Photo taken 8 July 2009.
 Viewed:  40109 Time(s)

P7100903.jpg


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PostPosted: Mar 08, 2014 13:04    Post subject: Re: A mineralogical trip through the regions of the UK - Wales  

A 4mm anatase from the brookite type locality of Twll Maen Grisial in north Wales. Collected in 1984, I've spent a bit of time here over the years.


Anatase Prenteg 1.jpg
 Description:
Anatase
Twll Maen Grisial, Prenteg, Gwynedd, Wales, UK
crystal 4mm
 Viewed:  40039 Time(s)

Anatase Prenteg 1.jpg


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James Jones




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PostPosted: Apr 20, 2014 07:28    Post subject: Re: A mineralogical trip through the regions of the UK - Wales  

Exciting stuff, originally from North Wales myself so its good to hear that there are good minerals to be had.

Will have a look around the Benallt as my family home lies in the shadow of Rhiw Mountain I'm going back this summer to see what my hammer finds :D

Thanks for sharing!

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James Catmur
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PostPosted: May 21, 2014 14:57    Post subject: Re: A mineralogical trip through the regions of the UK - Wales  

One of those Brookites


IMG_0099.jpg
 Description:
Brookite
Twll Maen Grisial, Fron Olau, Prenteg, Gwynedd (Caernarvonshire), Wales
Crystals of about 1.5cm
In the Harvard museum
 Viewed:  39332 Time(s)

IMG_0099.jpg


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James Catmur
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PostPosted: Feb 20, 2018 14:31    Post subject: Re: A mineralogical trip through the regions of the UK - Wales  

A classic from Wales


B276.JPG
 Mineral: Brookite
 Locality:
Twll Maen Grisial, Fron Olau, Prenteg, Gwynedd, Wales / United Kingdom
 Dimensions: Crystal of 8mm
 Description:
 Viewed:  5826 Time(s)

B276.JPG


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