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A mineralogical trip through the regions of the UK - England / County Durham
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James Catmur
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PostPosted: Jun 07, 2013 04:47    Post subject: A mineralogical trip through the regions of the UK - England / County Durham  




So we can expect to see fluorite and some other interesting minerals from this county. A few things are on my 'wish to see' list.



Fluorita-Heights-Quarry.jpg
 Description:
Fluorite, Galena
Heights Quarry, Westgate, Weardale, North Pennines, Co. Durham, England, UK
10cm x 10xm
 Viewed:  41848 Time(s)

Fluorita-Heights-Quarry.jpg



Fluorite-Boltburn.jpg
 Description:
Fluorite, Quartz
Boltsburn Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK
11cm x 6cm
 Viewed:  41916 Time(s)

Fluorite-Boltburn.jpg


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Ru Smith




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PostPosted: Jun 08, 2013 13:30    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Weardale calcite


Calcite Cambokeels 14 cm.jpg
 Description:
Calcite.
Cambokeels, Weardale, Co Durham, England, UK.
14 cm specimen with lustrous crystals to 35 mm.
 Viewed:  41850 Time(s)

Calcite Cambokeels 14 cm.jpg


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Ru Smith




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PostPosted: Jun 08, 2013 13:46    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

This is pretty.


Fluorite Heights Mine.jpg
 Description:
Fluorite.
Heights Mine, Weardale, Co Durham, England, UK
5 cm
 Viewed:  41903 Time(s)

Fluorite Heights Mine.jpg


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Ru Smith




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PostPosted: Jul 27, 2013 23:43    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

A fine fluorite penetration twin from Blackdene, ex Arthur Scoble.


Fluorite Blackdene 2.jpg
 Description:
Fluorite twin.
Blackdene Mine, Ireshopeburn, Weardale, North Pennines, Co. Durham, England, UK.
25 mm.
 Viewed:  41530 Time(s)

Fluorite Blackdene 2.jpg



Fluorite Blackdene 3.jpg
 Description:
Fluorite twin.
Blackdene Mine, Ireshopeburn, Weardale, North Pennines, Co. Durham, England, UK.
25 mm.
 Viewed:  41565 Time(s)

Fluorite Blackdene 3.jpg


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PostPosted: Aug 10, 2013 08:49    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

A fluorite from Killhope and a photo of the Park Level portal. "For 40 years all the ore came out of the mine through this entrance and all the pit props, stones for arching, rails and explosives went in this way."


Fluorite Killhope.jpg
 Description:
Fluorite.
Middlegrove Vein, Killhope, Weardale, Co Durham, England, UK.
85 mm specimen with crystals to 6 mm.
 Viewed:  41462 Time(s)

Fluorite Killhope.jpg



Park Level Portal.jpg
 Description:
Park Level portal, Killhope Mine.
 Viewed:  41404 Time(s)

Park Level Portal.jpg


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Tobi
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PostPosted: Aug 11, 2013 05:07    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

West Pasture Mine:


PastureFLUO.JPG
 Description:
Fluorite, quartz
West Pasture Mine, Stanhope, Weardale, North Pennines, Co. Durham, England, UK
Specimen size 9,5 cm
 Viewed:  41369 Time(s)

PastureFLUO.JPG


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Jesse Fisher




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PostPosted: Sep 20, 2013 11:46    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

A large, gemmy, wine-purple penetration twin fluorite, for which the Boltsburn Mine is famous. The flats that produced these crystals were found by miners around 1894 and worked until the mine closed in 1931. This specimen was part of a collection assembled by an unknown person at the Darlington Library (County Durham) during the 1920s. It is likely that the collection was never on display and was boxed and subsequently forgotten. The collection, which contained numerous fluorites from the Boltsburn, as well as other Weardale and West Cumbrian mines, was discoverd in the early 1990s and sold on.


Boltsburn-F132-4b.jpg
 Description:
Fluorite with Siderite
Boltsburn Mine, Rookhope, Weardale
7 cm across
 Viewed:  41189 Time(s)

Boltsburn-F132-4b.jpg


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Jesse Fisher




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PostPosted: Sep 25, 2013 12:25    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Galena with Siderite from the Boltsburn Mine.


G020-r.jpg
 Description:
Galena with Siderite
Boltsburn Mine, Rookhope, Weardale, Co. Durham
10x5x4 cm overall size
 Viewed:  41046 Time(s)

G020-r.jpg


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ian jones




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PostPosted: Sep 30, 2013 10:43    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

A very unusual fluorite crystal with a band of quartz running diagonally across the crystal and covered with small galena crystals, typically 2-3mm. Also minor pyrite.

Repatriated from Tucson in 2011.



Fluorite FH 2a.jpg
 Description:
Fluorite
Frazer's Hush Mine, Rookhope Valley, County Durham, England, UK
47x35mm
 Viewed:  40998 Time(s)

Fluorite FH 2a.jpg


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ian jones




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PostPosted: Sep 30, 2013 15:29    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

A Boltsburn fluorite showing nice sharp zoning


Fluorite Boltsburn 800.jpg
 Description:
Fluorite
Boltsburn Mine, Rookhope Valley, Co Durham, England, UK 50mm
50mm
 Viewed:  40929 Time(s)

Fluorite Boltsburn 800.jpg


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James Catmur
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PostPosted: Oct 01, 2013 03:26    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Ian

I really like the re-repatriated one: https://www.mineral-forum.com/message-board/files/fluorite_fh_2a_154.jpg
I wonder how this formed?

James
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ian jones




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PostPosted: Oct 01, 2013 09:41    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

I often wonder how things form myself James. Some just seem bizarre. In the case above, why the selective band of quartz and then why the selective galena on the quartz. Anyway, beats me.

Another Boltsburn fluorite, main crystal 45x45mm, with calcite crystals on one face.



Fluorite Boltsburn 4a.jpg
 Description:
Fluorite
Boltsburn Mine, Rookhope Valley, County Durham, England, UK
 Viewed:  40829 Time(s)

Fluorite Boltsburn 4a.jpg


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Tobi
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PostPosted: Oct 01, 2013 12:15    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

What a great galena specimen, Jesse!!! ( https://www.mineral-forum.com/message-board/files/g020_r_105.jpg )

Here's another fluorite classic from Weardale:



HeightsMine.JPG
 Description:
Fluorite
Heights Mine, Westgate, Weardale, North Pennines, Co. Durham, England, UK
Specimen size 6,5 cm
 Viewed:  40731 Time(s)

HeightsMine.JPG


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Jesse Fisher




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PostPosted: Oct 01, 2013 12:41    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

The Frazer's Hush Mine was located at the upper end of Rookhopeburn, a couple kilometers west of the Boltsburn, and not far from Allenheads in Northumberland. The mine was a modern one, having been worked from the 1970s until 1999. In the late 1980s a series of cavities were encountered on the Greencleugh vein that produced some of the best purple fluorites found from the region in recent years. The mine site has since been reclaimed and very little remains to be seen.


Frazers-F019.jpg
 Description:
fluorite with sphalerite
Frazer's Hush Mine, Rookhopeburn, Weardale, Co. Durham
main crystal is 2.5 cm on edge
 Viewed:  40730 Time(s)

Frazers-F019.jpg


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PostPosted: Oct 05, 2013 13:54    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Middlehope Shield Mine was a major Weardale lead-producer during the first half of the 19th century, a documented find of green fluorite occurred here in 1818.

Very distinctive specimens from this occurrence can occasionally still be found, but the locality is not widely known and specimens are usually labelled as coming from the much-better known source of Weardale green fluorite, Heights Mine (including this one!), which did not work this early.

Heights, now long closed, is now obviously starting to disappear from mineral dealer's memories, I found one Middlehope piece at this year's Ste Marie show labelled Rogerley Mine, which currently produces a lot of green fluorite for the collector market. It does make you wonder what percentage of unlocated specimens are incorrectly attributed by overenthusiastic dealers with only a cursory knowledge of an area .



middlehope a.jpg
 Description:
Fluorite
Middlehope Shield Mine, Westgate, County Durham, England, UK
Typical Middlehope piece, largest crystal 25mm
 Viewed:  40580 Time(s)

middlehope a.jpg


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PostPosted: Oct 05, 2013 15:23    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Another fluorite specimen, most likely from the 1818 find at White's Level, Middlehopeburn. As with most green fluorite from Weardale mines, the color of these is somewhat unstable and many of the White's Level specimens have faded a bit over time. This one came with a label giving the location as "Heights Meadow." I've never found reference to a location of that exact name.


F177r.jpg
 Description:
Fluorite
White's Level, Middlehopeburn, Weardale, County Durham, England, UK
7 cm across
 Viewed:  40602 Time(s)

F177r.jpg



WhitesLevel.jpg
 Description:
The portal to White's Level as seen in June 2003.
 Viewed:  40580 Time(s)

WhitesLevel.jpg


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Leon Hupperichs




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PostPosted: Oct 23, 2013 17:32    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Weardale fluorite.


cement quarry.jpg
 Description:
Fluorite
Blue Circle Cement Quarry, Eastgate, Weardale, Co.Durham, England, UK
Field of view 5 cm
 Viewed:  40281 Time(s)

cement quarry.jpg


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Leon Hupperichs




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PostPosted: Oct 23, 2013 17:35    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Heights Quarry fluorite


heights quarry.jpg
 Description:
Fluorite
Heights Quarry, Westgate, Weardale, Co.Durham, England, UK.
10 x 9 cm
 Viewed:  40266 Time(s)

heights quarry.jpg


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PostPosted: Oct 24, 2013 14:27    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Fluorite.


Frazers hush.jpg
 Description:
Fluorite
Frazer's Hush Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK
Field of view 7 cm
 Viewed:  40247 Time(s)

Frazers hush.jpg


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PostPosted: Oct 24, 2013 14:29    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Fluorite from the Blue Circle Cement Quarry.


blue circle.jpg
 Description:
Fluorite
Blue Circle Cement Quarry, Eastgate, Weardale, Co.Durham, England, UK
Field of view 4 cm
 Viewed:  40217 Time(s)

blue circle.jpg


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