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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1461
Location: Cambridge
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 Posted: Jun 07, 2013 04:48 Post subject: A mineralogical trip through the regions of the UK - England / Derbyshire |
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I spent some years of my child hood living in northern Derbyshire and got my father to collect minerals for me when he went caving. So 'Blue John' flourite features in my collection, but, sadly, not these two specimens
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Fluorite (Blue John, Cup)
Castleton, Derbyshire, England, UK
~15cm high
In the Sedgwick museum Cambridge |
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36988 Time(s) |
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Fluorite (Blue John, Cup)
Castleton, Derbyshire, England, UK
~20cm high
In the Sedgwick museum Cambridge |
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36928 Time(s) |
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Ru Smith
Joined: 13 Oct 2012
Posts: 362
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| Posted: Jun 08, 2013 08:35 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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Significant finds of lead minerals (including a number of rarities) were made in the Whitwell Quarry during the 1980s, from a fault crossing the quarry which contained mixed lead/vanadium mineralisation.
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Cerussite on galena.
Park Hall Fault, Whitwell Quarry, Whitwell, Derbyshire, England, UK
10 mm crystal on 25 mm galena matrix. |
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36998 Time(s) |
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Ru Smith
Joined: 13 Oct 2012
Posts: 362
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| Posted: Jun 27, 2013 20:38 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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Let me add this interesting calcite twin.
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Calcite, "axe head" twin.
Bonsal Moor, Derbyshire, England, UK.
4 cm. |
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36853 Time(s) |
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Ru Smith
Joined: 13 Oct 2012
Posts: 362
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| Posted: Jun 27, 2013 20:42 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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and this more conventional one.
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Calcite twin.
Hollandtwine Mine, Dirtlow Rake, Castleton, Derbyshire, England, UK.
26 mm. |
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36952 Time(s) |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5020
Location: Barcelona
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| Posted: Oct 05, 2013 14:19 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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To improve a little bit more this thread, I add this decent Fluorite from the Ladywash Mine.
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Fluorite with Calcite, Chalcopyrite and Sphalerite
Ladywash Mine, Eyam, Derbyshire, England, UK
Specimen size: 13.7 × 11.4 × 7 cm.
Former Jan Buma collection. Number 790881
Calcite minor fluorescence long & short UV |
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36470 Time(s) |
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| Description: |
Fluorite with Calcite, Chalcopyrite and Sphalerite
Ladywash Mine, Eyam, Derbyshire, England, UK
Specimen size: 13.7 × 11.4 × 7 cm.
Detail |
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36509 Time(s) |
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ian jones
Joined: 29 Jul 2009
Posts: 112
Location: london
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| Posted: Oct 05, 2013 15:38 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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Thanks for reminding me about Derbyshire Jordi, meant to post this Ladywash piece previously.
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Fluorite
Ladywash Mine, Eyam, Derbyshire, England, UK
Fluorite crystals to 25mm, speckled, and included with, small chalcopyrite and pyrite crystals, plus calcite crystals to 15mm.
Ex Arthur Scoble collection, collected circa 1980. |
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36713 Time(s) |
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Andy Lawton
Joined: 12 Apr 2014
Posts: 13
Location: Staffordshire
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| Posted: Apr 21, 2014 12:57 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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A smithsonite from one of my favourite parts of the world
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Smithsonite on fluorite
Ball Eye Mine, Bonsall, Derbyshire, England, UK
Brown botryoidal smithsonite encrusting fluorite cubes, max dimension ~ 50 mm. |
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35704 Time(s) |
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Andy Lawton
Joined: 12 Apr 2014
Posts: 13
Location: Staffordshire
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| Posted: Apr 21, 2014 13:11 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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A small group of twinned cerussite crystals
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Cerussite on fluorite & Baryte
White Rake, Tideswell, Derbyshire, England, UK
Crystals to 10 mm |
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35789 Time(s) |
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Andy Lawton
Joined: 12 Apr 2014
Posts: 13
Location: Staffordshire
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| Posted: Apr 21, 2014 13:31 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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A twinned calcite crystal from Longstone Edge
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Twinned calcite crystal on fluorite
Longstone Edge, Derbyshire, England, UK
Calcite twin ~ 10 mm long. Collected 22/08/1998 from a limestone boulder at the side of the access road leading to the then active workings on the Bow and Deep Rake veins. |
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35677 Time(s) |
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| Description: |
Twinned calcite crystal on fluorite
Longstone Edge, Derbyshire, England, UK
Calcite twin ~ 10 mm long. Collected 22/08/1998 from a limestone boulder at the side of the access road leading to the then active workings on the Bow and Deep Rake veins. |
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35611 Time(s) |
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| Description: |
Twinned calcite crystal on fluorite
Longstone Edge, Derbyshire, England, UK
Calcite twin ~ 10 mm long. Collected 22/08/1998 from a limestone boulder at the side of the access road leading to the then active workings on the Bow and Deep Rake veins. |
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35645 Time(s) |
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| Description: |
Twinned calcite crystal on fluorite
Longstone Edge, Derbyshire, England, UK
Calcite twin ~ 10 mm long. Collected 22/08/1998 from a limestone boulder at the side of the access road leading to the then active workings on the Bow and Deep Rake veins. |
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35748 Time(s) |
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Andy Lawton
Joined: 12 Apr 2014
Posts: 13
Location: Staffordshire
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| Posted: Apr 21, 2014 13:46 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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A colourless gemmy fluorite crystals displaying a combination of cube & tetrahexahedral forms & larger cubes with frosted mosaic faces.
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Fluorite & Baryte
Laporte Minerals Openpit, Dirtlow Rake, Castleton, Derbyshire, England, UK
Largest cube ~ 7 mm on edge |
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35692 Time(s) |
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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1461
Location: Cambridge
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| Posted: May 21, 2014 14:53 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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A Derbyshire classic
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Matlockite
Matlock, Derbyshire, England, UK
About 15cm long
In the Harvard museum |
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35358 Time(s) |
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Jesse Fisher
Joined: 18 Mar 2009
Posts: 639
Location: San Francisco
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| Posted: Oct 14, 2016 14:24 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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The Peaks District in Derbyshire, like Weardale further north has been a major lead and fluorspar-producing region in the UK. Unlike Weardale, however, the Derbyshire mines have not produced many decent fluorite specimens, other than, perhaps the "Blue John" lapidary material from around Castleton. Specimens, like this one from the Ladywash Mine are often heavily included with fine grained sulfides.
| Mineral: | Fluorite, Galena |
| Locality: | | Ladywash Mine, Eyam, Derbyshire, England / United Kingdom |  |
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| Dimensions: | 13x6x5 cm |
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31627 Time(s) |
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colin robinson
Joined: 29 May 2013
Posts: 82
Location: Cumbria
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| Posted: Oct 14, 2016 17:38 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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| Back in the 80s a wholesaler friend of mine bought a van load of fluorite from Ladywash Mine. If I took the lot he offered it to me for £6 a flat. Each individual piece would now fetch five or six times that. If only I knew then what I know now :-(
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Jesse Fisher
Joined: 18 Mar 2009
Posts: 639
Location: San Francisco
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| Posted: Oct 14, 2016 20:24 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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| I can quote similar stories. Life is a learning experience, if we pay attention.
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5020
Location: Barcelona
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| Posted: Jun 02, 2017 08:12 Post subject: Re: A mineralogical trip through the regions of the UK - England / Derbyshire |
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These Calcites from Matlock are not so well known
| Mineral: | Calcite with inclusions |
| Locality: | | Matlock, Derbyshire, England / United Kingdom | |
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| Dimensions: | 11.4 × 9.8 × 5.6 cm |
| Description: |
| Former collection of Francesco S. Stoppani |
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29403 Time(s) |
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| Mineral: | Calcite with inclusions |
| Locality: | | Matlock, Derbyshire, England / United Kingdom | |
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| Dimensions: | Main crystal size: 7 × 4 cm |
| Description: |
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29396 Time(s) |
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