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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 37 matches |
| Author | Message |
|---|---|
 Topic: Star Quartz |
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| Herwig Replies: 3 Views: 601 |
 Forum: Micros & Macros - Images of Minerals Posted: Apr 19, 2025 22:43 Subject: Re: Star Quartz |
| Nice specimen, Alfredo!
It seems that star quartz is not that unique: it has been found in many different countries. (mindat has photos of such specimens from 9 different countries). Here is th ... |
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| Topic: Bringing a collection to the UK |
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| Herwig Replies: 2 Views: 477 |
Forum: Off-Topic and Introductions Posted: Apr 18, 2025 22:35 Subject: Re: Bringing a collection to the UK |
| Dear Izak,
I assume that companies like Crystal Classics have a lot of experience with bringing (old) collections into the UK. You can easily find their homepage doing a Google search with their nam ... |
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| Topic: When can a fossil be also considered a mineral? |
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| Herwig Replies: 55 Views: 133352 |
Forum: The Ten Thousand Club Posted: Mar 24, 2025 23:59 Subject: Re: When can a fossil be also considered a mineral? |
| Dear Marco,
you wrote about so many things, it was hard to digest, so to speak. Let's focus on two things. You state: " I came across a bivalve in fluorite from Belgium that seems very uniq ... |
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| Topic: Libyan Desert Glass Structure |
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| Herwig Replies: 41 Views: 12478 |
Forum: Minerals and Mineralogy Posted: Mar 18, 2025 05:11 Subject: Re: Artificial Intelligence and Libyan Desert Glass, tektites |
| Dear Roger,
Can you please let us know the scientific article(s) you based your message on? Cheers, Herwig ----- I don't know if you are aware of this fairly recent publication: Elizaveta K ... |
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| Topic: March 15 & 16 - Nautilus Ghent Mineral & Fossil Show (in Gent, Belgium) |
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| Herwig Replies: 1 Views: 1726 |
Forum: Mineral Shows Posted: Mar 16, 2025 01:07 Subject: March 15 & 16 - Nautilus Ghent Mineral & Fossil Show (in Gent, Belgium) |
| Today will be the second day of this most interesting mineral show. Celebrations are in order, for it is the 50th anniversary of this (normally one day) show.
To celebrate the event, the show moved ... |
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| Topic: Sulfosalts |
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| Herwig Replies: 1 Views: 954 |
Forum: Micros & Macros - Images of Minerals Posted: Feb 24, 2025 01:56 Subject: Re: Sulfosalts |
| Mon cher Roger,
I have a very hard time believing that your specimen is dufrénoysite. The color and the luster do not match this mineral: https://www.mindat.org/min-1324.html If this were a cryst ... |
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| Topic: It's Tucson Time Again - 2025 |
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| Herwig Replies: 110 Views: 36700 |
Forum: News about Shows Posted: Feb 24, 2025 00:22 Subject: Re: It's Tucson Time Again - 2025 |
| Dear Bob,
Many thanks for posting these "display case photos". Tucson 2025 was a very unusual edition for us: due to some personal issues, we lost 3 days during the week of the Main Show ... |
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| Topic: Stellerite specimens from Piedra Parada, Mexico |
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| Herwig Replies: 7 Views: 1644 |
Forum: Minerals and Mineralogy Posted: Feb 21, 2025 10:51 Subject: Re: Stellerite specimens from Piedra Parada, Mexico |
| Very interesting, Peter!
I assume this is what you are referring to: https://www.mindat.org/photo-1240863.html Those are nice clintonites indeed! |
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| Topic: Stellerite specimens from Piedra Parada, Mexico |
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| Herwig Replies: 7 Views: 1644 |
Forum: Minerals and Mineralogy Posted: Feb 19, 2025 20:38 Subject: Re: Stellerite specimens from Piedra Parada, Mexico |
| Hi John, good to read from you!
Some zeolites always have been a pain in the b*t when it comes to IDing them. In this case, the stellerite is orthorhombic, the stilbites are monoclinic, so an XRD ... |
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| Topic: Radiating quartz with ring of amethyst |
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| Herwig Replies: 7 Views: 1851 |
Forum: What is it? - Where is it from? Posted: Feb 18, 2025 08:56 Subject: Re: Radiating quartz with ring of amethyst |
| The person most probable to know the answer to this question, is Ann Frazier (CA, USA).
I have sent her this link, we'll see if she can help you. Cheers, Herwig |
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| Topic: It's Tucson Time Again - 2025 |
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| Herwig Replies: 110 Views: 36700 |
Forum: News about Shows Posted: Feb 14, 2025 07:19 Subject: Re: It's Tucson Time Again - 2025 |
| Today is the day of the Arthur Roe Memorial Micromount Symposium.
More details about this micromineral symposium, as well as my own report of Tucson, can be found here: https://www.mindat.org/a/tu ... |
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| Topic: Mineral Identification Question |
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| Herwig Replies: 23 Views: 4097 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 09, 2025 12:09 Subject: Re: Mineral Identification Question |
| Do you want to know what it really is?
There might be an inexpensive way without destroying the specimen. But if you prefer to hold on to adamite, that's fine, too. Besides the fact, that it's ... |
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| Topic: Mineral Identification Question |
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| Herwig Replies: 23 Views: 4097 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 09, 2025 07:26 Subject: Re: Mineral Identification Question |
| Dear Michael,
Based on the info you provided, my best guess is that this mineral is either aragonite or calcite; in other words: a calcium carbonate. Here are a few tests you can do: https://www.m ... |
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| Topic: It's Tucson Time Again - 2025 |
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| Herwig Replies: 110 Views: 36700 |
Forum: News about Shows Posted: Feb 07, 2025 11:25 Subject: Re: It's Tucson Time Again - 2025 |
| Chris also had a new find of bertrandite crystals from California.The crystals were small, but quite nice through the loupe.
(sorry, no photo) Finally, Chris also had a flat of phosphates from Fol ... |
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| Topic: It's Tucson Time Again - 2025 |
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| Herwig Replies: 110 Views: 36700 |
Forum: News about Shows Posted: Feb 07, 2025 11:00 Subject: Re: It's Tucson Time Again - 2025 |
| Another new find was made by Chris on a prospect owned by one of his friends.
Lustrous, honey colored dodecahedrons of grossular, associated with dark green "booklets" of clinochlore crys ... |
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