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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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James Catmur Replies: 32 Views: 12379 |
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This site does not allow the sale of minerals or commercial discussions.
If you want to confirm the mineral I suggest you get it tested as we cannot do so from photos alone. |
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James Catmur Replies: 4 Views: 4353 |
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They are back, time to change all our labels (again)?
https://www.wikiwand.com/en/Cumberland_(unitary_authority) https://www.wikiwand.com/en/Westmorland_and_Furness (links normalized by FMF but f ... |
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James Catmur Replies: 4 Views: 312 |
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It is often sold by healy feelies, so could have been thrown out by a previous owner. I have no idea if it is really jasper but the hardness suggests it is. | |
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James Catmur Replies: 4 Views: 312 |
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What tests have you done on it? Hardness is the minimum. Locality and size too.
To me it looks mankind made |
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James Catmur Replies: 11 Views: 707 |
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Alfredo
I agree, but I have used 'pocket' too James "Geodas" in spanish can be big or small. I'd translate the big ones as "cavity" in english, and the small ones as " ... |
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James Catmur Replies: 11 Views: 707 |
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Lluis
I am talking about every day Spanish, when out collecting in Spain if we opened a pocket in a mine we always called it 'una geoda' and never 'una bolsada'. I opened one of the best pockets e ... |
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James Catmur Replies: 11 Views: 707 |
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They certainly do occur in 'pockets', which could be where this came from. Pockets- to >geodas- to >geodes? | |
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James Catmur Replies: 11 Views: 707 |
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What can complicate such a discussion is the 'geode' in many languages is a false friend with the English word for 'pocket'. For example, the Spanish word 'geoda' normally means 'pocket' in English, i ... | |
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James Catmur Replies: 11 Views: 707 |
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We used to find natural citrine in Spain, as single crystals. The ones I have seen in geodes tend to be treated amethyst | |
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James Catmur Replies: 20 Views: 1764 |
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Try reading this for Cotham marble
https://www.wikiwand.com/en/Cotham_Marble James |
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James Catmur Replies: 20 Views: 1764 |
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I like the Cotham marble | |
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James Catmur Replies: 3 Views: 458 |
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It looks very heavily weathered to me. If you want to polish it maybe head to a polished stones forum, as we deal with natural specimens on this forum. I doubt you could tumble it but maybe you coul ... | |
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James Catmur Replies: 20 Views: 1764 |
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This post is also relevant as the IUGS publication (available as a book, PDF or website) runs through the formation of rocks and minerals over the life of the planet
https://www.mineral-forum.com/m ... |
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James Catmur Replies: 20 Views: 1764 |
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I had an interesting discussion yesterday about the safety assurance of LLMs. We (Safety Critical Systems Club - SCSC) are working on safety assurance of services, and are finding lots of cases of se ... | |
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James Catmur Replies: 20 Views: 1764 |
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I just checked the post's link to the second article and corrected the link, as it had changed
Thanks, James, I will dig into that. The link is appreciated. |
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James Catmur Replies: 20 Views: 1764 |
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This post might interest you and help you select suitable minerals
https://www.mineral-forum.com/message-board/viewtopic.php?p=78923#78923 It might be a challenge: Life played a direct or ind ... |
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James Catmur Replies: 11 Views: 1021 |
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Sadly, it seems many human already do imaginary localities, either to match incorrect labels or to hide the true source of new material. The AI will have to catch up.
I'm just wondering how long it ... |
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James Catmur Replies: 11 Views: 1021 |
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Alfredo, it is just a new toy and people will play with it. There is little we can do to halt the tide, but once they have played I hope it will calm down. | |
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James Catmur Replies: 9 Views: 875 |
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So it is similar to the way rust spreads across steel? Interesting
Totally agree, Lluis, The attack is done at the level of the unit cell and the surrounding gas. I think that the writing of equa ... |
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James Catmur Replies: 117 Views: 177352 |
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More interesting Calcite form than the one I have in a geode from Brasil | |
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