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A general guide for using the Forum with some rules and tips
The information provided within this Forum about localities is only given to allow reference to them. Any visit to any of the localities requires you to obtain full permission and relevant information prior to your visit. FMF is strictly against any illicit activities related to collecting minerals.
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| Search found 56 matches |
| Author | Message |
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 Topic: Dry Gill Mine, Caldbeck Fells, Cumbria, UK |
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| Forrestblyth Replies: 7 Views: 4858 |
 Forum: Mines and Mineral Localities Posted: Mar 20, 2024 14:06 Subject: Re: Dry Gill Mine, Caldbeck Fells, Cumbria, UK |
| Another interesting fact is that chemically Mimetite is virtually the same as Pyromorphite.
Mimetite and Pyromorphite are similar chemically, but not virtually the same. One is an arsenate while th ... |
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| Topic: Dry Gill Mine, Caldbeck Fells, Cumbria, UK |
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| Forrestblyth Replies: 7 Views: 4858 |
Forum: Mines and Mineral Localities Posted: Mar 20, 2024 13:14 Subject: Re: Dry Gill Mine, Calbeck Fells, Cumbria, UK |
| I forgot until corrected that campylite is a variety of Mimetite. Another interesting fact is that chemically Mimetite is virtually the same as Pyromorphite. In fact, Mimetite is named so because it ... | |
| Topic: A mineralogical trip through the regions of the UK - England / Cumbria |
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| Forrestblyth Replies: 141 Views: 237161 |
Forum: A mineralogical trip through the regions of the UK Posted: Mar 20, 2024 11:23 Subject: Re: A mineralogical trip through the regions of the UK - England / Cumbria |
| Baryte and zinc-based minerals often appear with the nicer campylite specimens. | |
| Topic: A mineralogical trip through the regions of the UK - England / Cumbria |
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| Forrestblyth Replies: 141 Views: 237161 |
Forum: A mineralogical trip through the regions of the UK Posted: Mar 20, 2024 10:18 Subject: Re: A mineralogical trip through the regions of the UK - England / Cumbria |
| A beautiful specimen with such a significantly warm red hue typical of this location | |
| Topic: Dry Gill Mine, Caldbeck Fells, Cumbria, UK |
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| Forrestblyth Replies: 7 Views: 4858 |
Forum: Mines and Mineral Localities Posted: Mar 20, 2024 09:40 Subject: Re: Dry Gill mine, Caldbeck Fells, Cumbria, UK |
| Both colors for are typical of this location.
This demonstrates the great variation in coloration of a particular mineral even from the same locality. I think the redness hue increases with increas ... |
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| Topic: Dry Gill Mine, Caldbeck Fells, Cumbria, UK |
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| Forrestblyth Replies: 7 Views: 4858 |
Forum: Mines and Mineral Localities Posted: Mar 20, 2024 09:35 Subject: Re: Dry Gill mine, Caldbeck Fells, Cumbria, UK |
| My favourite reddish hue and melon-shaped formation. | |
| Topic: Dry Gill Mine, Caldbeck Fells, Cumbria, UK |
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| Forrestblyth Replies: 7 Views: 4858 |
Forum: Mines and Mineral Localities Posted: Mar 20, 2024 09:31 Subject: Re: Dry Gill mine, Caldbeck Fells, Cumbria, UK |
| This particular warm red coloration and barrel shaped crystal structure is very typical of the best specimens of this location. There are however may lime green specimens as would be normal in the Mim ... | |
| Topic: Dry Gill Mine, Caldbeck Fells, Cumbria, UK |
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| Forrestblyth Replies: 7 Views: 4858 |
Forum: Mines and Mineral Localities Posted: Mar 20, 2024 08:54 Subject: Re: Dry Gill mine, Caldbeck Fells, Cumbria, UK |
| Many other typical minerals of the ore field can be found associated with campylite | |
| Topic: Dry Gill Mine, Caldbeck Fells, Cumbria, UK |
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| Forrestblyth Replies: 7 Views: 4858 |
Forum: Mines and Mineral Localities Posted: Mar 20, 2024 08:40 Subject: Dry Gill Mine, Caldbeck Fells, Cumbria, UK |
| One of my favorite locations and one of the best in the world for Campylite | |
| Topic: Green seam. Looks like it in a state of decay. |
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| Forrestblyth Replies: 6 Views: 3345 |
Forum: What is it? - Where is it from? Posted: Mar 19, 2024 08:59 Subject: Re: Green seam. Looks like it in a state of decay. |
| To me if it is in an area that has copper ore present it has the feel of Pyromorphite or mimetite. But you would need close up shots of crystals of some for to even hazard a meaningful guess | |
| Topic: Minimum size for a mineral museum |
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| Forrestblyth Replies: 11 Views: 14005 |
Forum: Off-Topic and Introductions Posted: Sep 08, 2023 13:16 Subject: Re: Minimum size for a mineral museum |
| Allowing us to handle a magnificent 70kg Weardale fluorite | |
| Topic: Minimum size for a mineral museum |
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| Forrestblyth Replies: 11 Views: 14005 |
Forum: Off-Topic and Introductions Posted: Sep 08, 2023 13:10 Subject: Re: Minimum size for a mineral museum |
| Small mineral museums work very well if focused on something special.
Take the small Weardale museum I visited today. It has a small high quality selection of particular minerals specific to its ... |
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| Topic: Castleton, Derbyshire |
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| Forrestblyth Replies: 4 Views: 8509 |
Forum: Mines and Mineral Localities Posted: Aug 29, 2023 14:40 Subject: Re: Castleton, Derbyshire |
| Hi James, Derbyshire is truly the king of fluorite variety. your specimens show some fine zoning and colour variation from this area.
one location that less than 60 minutes drive from Castleton cal ... |
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| Topic: Castleton, Derbyshire |
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| Forrestblyth Replies: 4 Views: 8509 |
Forum: Mines and Mineral Localities Posted: Aug 29, 2023 10:49 Subject: Re: Castleton, Derbyshire |
| It is a very fossilized area. I was very surprised to see the thick beds of spirifer bivalve and crinoid death beds. I was more focused on the minerals and didn't look too hard for more desirable subj ... | |
| Topic: Castleton, Derbyshire |
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| Forrestblyth Replies: 4 Views: 8509 |
Forum: Mines and Mineral Localities Posted: Aug 28, 2023 14:35 Subject: Castleton, Derbyshire |
| Some of the many interesting minerals in Castleton, Derbyshire UK
Including the incredible local specific fluorite "Blue John" |
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