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A mineralogical trip through the regions of the UK - England / County Durham
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Jesse Fisher




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PostPosted: Mar 01, 2018 14:36    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Two cross veins in the Rogerley system are exposed in an extension of the Rogerley quarry, NW of the main mine site. The larger of the two has been named the "Sutcliffe Vein" in honor of Lindsay Greenbank's partner and co-discoverer of the Rogerley, Mick Sutcliffe. During the early to mid 1970s the two collected a number of specimens from flats adjoining the vein, which was at the time referred to by Lindsay as the "Rogerley #2 vein." Purple is more common at this location than at the Rogerley proper, and some of the best have a purple core covered by a green rind.

In the fall of 2017 Ian Bruce (Crystal Classics) developed the vein as an open cast and named his workings the "Diana Marie Mine." A good number of specimens were recovered and were available at the Munich and Tucson shows.



F117-9860r.JPG
 Mineral: Fluorite
 Locality:
Rogerley Mine, Sutcliffe vein, Frosterley, Weardale, North Pennines Orefield, County Durham, England, United Kingdom
 Dimensions: FOV = 6 cm
 Description:
Bicolor penetration twin recovered in the mid 1970s. Ex Mick Sutcleffe collection
 Viewed:  2891 Time(s)

F117-9860r.JPG



WestQuarry9-8-02r.jpg
 Locality:
Rogerley Mine, Sutcliffe vein, Frosterley, Weardale, North Pennines Orefield, County Durham, England, United Kingdom
 Description:
A view of the western extension of the Rogerley Quarry, taken in 2002. The Sutcliffe Vein is the larger of the two ribs of rock extending from the quarry face. The smaller rib, to the left of the Sutcliffe has never to my knowledge been prospected. I understand that the site looks a bit different now, after recent work.
 Viewed:  2870 Time(s)

WestQuarry9-8-02r.jpg


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colin robinson




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PostPosted: Mar 01, 2018 15:06    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Fluorite from Rogerley no. 2 (Sutcliffe) vein. Main crystal about 12mm. Self collected.


sutcliffes2.JPG
 Mineral: Fluorite
 Locality:
Rogerley Mine, Sutcliffe vein, Frosterley, Weardale, North Pennines Orefield, County Durham, England, United Kingdom
 Dimensions: 12mm
 Description:
 Viewed:  2869 Time(s)

sutcliffes2.JPG


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colin robinson




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PostPosted: Mar 01, 2018 15:11    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Fluorite from Middlegrove vein, Killhope mine. Glassy crystals to 8-9mm. Recovered from a vein outcrop.


TNkillhope.jpg
 Mineral: Fluorite
 Locality:
Killhope Mine, Middlegrove vein, Weardale, North Pennines Orefield, County Durham, England, United Kingdom
 Dimensions: 8mm
 Description:
 Viewed:  2870 Time(s)

TNkillhope.jpg


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Jesse Fisher




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PostPosted: Apr 02, 2018 00:24    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

A bit of nostalgia - specimen was recovered in May 1999 from the first workings at the Black Sheep Pocket.


99-284-9315r.JPG
 Mineral: Fluorite, Galena, Quartz
 Locality:
Rogerley Mine, Frosterley, Weardale, North Pennines Orefield, County Durham, England, United Kingdom
 Dimensions: 5x4x4 cm
 Description:
 Viewed:  2591 Time(s)

99-284-9315r.JPG


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Tobi




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PostPosted: Apr 02, 2018 05:27    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Perfect, Jesse :-)
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Tobi




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PostPosted: May 12, 2018 07:29    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Fluorite and one single galena, coated by siderite:


BoltFLUO.JPG
 Mineral: Siderite, Galena, Fluorite
 Locality:
Boltsburn Mine, Rookhope District, Weardale, North Pennines Orefield, County Durham, England, United Kingdom
 Dimensions: Specimen size 11 cm, largest galena 18 mm, largest fluorite 18 mm
 Description:
 Viewed:  2199 Time(s)

BoltFLUO.JPG


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Jesse Fisher




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PostPosted: Sep 27, 2018 00:20    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

Another Heights Mine specimen, well-formed cube-octahedral galena crystals with a few twinned fluorites. I was told that the specimen was collected in the late 1960s, so not sure if it should be labeled as from the mine or the quarry. I haven't seen galena crystals that sharp from Heights very often.


Heights-9982r.JPG
 Mineral: Galena, Fluorite
 Locality:
Heights Quarry, Westgate, Weardale, North Pennines Orefield, County Durham, England, United Kingdom
 Dimensions: 9x7x4 cm overall size
 Description:
 Viewed:  1207 Time(s)

Heights-9982r.JPG


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Jesse Fisher




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PostPosted: Mar 04, 2019 14:28    Post subject: Re: A mineralogical trip through the regions of the UK - England / County Durham  

A classic Boltsburn fluorite twin, found at the Tucson show last month. Most likely recovered circa 1910-1920, but unfortunately no old labels or historical information accompanied the specimen.


Boltsburn-6844r.JPG
 Mineral: Fluorite with Siderite
 Locality:
Boltsburn Mine, Rookhope District, Weardale, North Pennines Orefield, County Durham, England, United Kingdom
 Dimensions: 8x8x7 cm overall size
 Description:
 Viewed:  435 Time(s)

Boltsburn-6844r.JPG


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