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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 189 matches |
| Author | Message |
|---|---|
 Topic: Minerals toxicity: Where can I find information? |
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| cascaillou Replies: 12 Views: 2236 |
 Forum: Minerals and Mineralogy Posted: Dec 12, 2020 10:18 Subject: Re: Minerals toxicity: Where can I find information? |
| The final version of the article (updated December 19, 2020) is now available:
https://www.academia.edu/40433628/An_Overview_of_Minerals_Toxicity |
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| Topic: Fun with mineralogy |
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| cascaillou Replies: 4 Views: 7415 |
Forum: Off-Topic and Introductions Posted: Jun 28, 2020 12:44 Subject: Re: Fun with mineralogy |
| And here's another fun mindat article (by Jolyon Ralph):
Rocks and minerals of the video game Minecraft https://www.mindat.org/a/minecraft Minecraft is a sandbox construction game which involv ... |
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| Topic: Fun with mineralogy |
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| cascaillou Replies: 4 Views: 7415 |
Forum: Off-Topic and Introductions Posted: May 24, 2020 17:32 Subject: Re: Fun with mineralogy |
| Creepy mineralogy:
https://www.gemologyonline.com/Forum/phpBB2/viewtopic.php?f=56&t=25692 |
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| Topic: Stay at home - Coronavirus / Covid-19 |
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| cascaillou Replies: 345 Views: 83372 |
Forum: National Library of Spain / Biblioteca Nacional de España (BNE) and FMF Posted: Apr 27, 2020 02:23 Subject: Re: Stay at home - Coronavirus / Covid-19 |
| Quarantine entertainment:
https://www.discogs.com/lists/Crystals-Minerals-Gems/576296 :-) (link normalized by FMF) |
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| Topic: Stay at home - Coronavirus / Covid-19 |
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| cascaillou Replies: 345 Views: 83372 |
Forum: National Library of Spain / Biblioteca Nacional de España (BNE) and FMF Posted: Apr 09, 2020 10:43 Subject: Re: Stay at home - Coronavirus / Covid-19 |
| I've been diggin' up lots of music these last few weeks, and here's my latest rock selecta...music to quarantine by :-)
01) Neu! - Hallogallo (1972) https://www.youtube.com/watch?v=zndpi8tNZyQ ... |
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| Topic: Stay at home - Coronavirus / Covid-19 |
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| cascaillou Replies: 345 Views: 83372 |
Forum: National Library of Spain / Biblioteca Nacional de España (BNE) and FMF Posted: Apr 02, 2020 18:15 Subject: Re: Stay at home - Coronavirus / Covid-19 |
| Day +18
Subject has mutated into a nocturnal creature. Sole known activity: digging for music. Status: happy with daily new finds. Sole known grief: running short on Caol-ila. |
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| Topic: Stay at home - Coronavirus / Covid-19 |
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| cascaillou Replies: 345 Views: 83372 |
Forum: National Library of Spain / Biblioteca Nacional de España (BNE) and FMF Posted: Mar 16, 2020 22:27 Subject: Re: Stay at home - Coronavirus / Covid-19 |
| In France, it has been suggested that for the next two weeks people should either stay at home or go to work. Either we don't need a quarantine, or we need a real one, but a half-quarantine doesn't ma ... | |
| Topic: Magnetite or Franklinite? |
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| cascaillou Replies: 5 Views: 6288 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 26, 2020 14:52 Subject: Re: Magnetite or Franklinite? |
| File down a piece of iron to get some very fine iron dust, and see if this dust is attracted by the tiny crystals and sticks to it. | |
| Topic: Emerald fuchsite in quartz? |
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| cascaillou Replies: 4 Views: 6748 |
Forum: What is it? - Where is it from? Posted: Feb 26, 2020 14:45 Subject: Re: Emerald fuchsite in quartz? |
| Emerald is a mineral (which certainly doesn't look anything like what you have). Fuchsite is another mineral (which usually has a more emerald-like green color than what I see on your picture. However ... | |
| Topic: On Mineral collecting and Mineral Provenance |
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| cascaillou Replies: 4 Views: 9097 |
Forum: Minerals and Mineralogy Posted: Feb 19, 2020 18:56 Subject: Re: On Mineral collecting and Mineral Provenance |
| In a mineralogical perspective, detailed locality of origin is essential data as it tells us about the geological context in which the mineral occurred.
But favoring a given locality over another ... |
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| Topic: Weird rock. Smells STRONG - need help to ID |
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| cascaillou Replies: 17 Views: 6430 |
Forum: What is it? - Where is it from? Posted: Jan 15, 2020 04:50 Subject: Re: Weird rock. Smells STRONG - need help to ID |
| My answer was rather addressing Tracy's statement.
You don't need to worry about your smoky quartz. |
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| Topic: Weird rock. Smells STRONG - need help to ID |
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| cascaillou Replies: 17 Views: 6430 |
Forum: What is it? - Where is it from? Posted: Jan 14, 2020 19:48 Subject: Re: Weird rock. Smells STRONG - need help to ID |
| "Irradiation" means receipt of energy from radioactive emissions/decay. The radioactivity is inherent to the material emitting the energy, it doesn't transfer to the irradiated object.
A ... |
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| Topic: Buyers remorse, sellers remorse, donors remorse and more |
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| cascaillou Replies: 18 Views: 8907 |
Forum: Off-Topic and Introductions Posted: Jan 06, 2020 11:19 Subject: Re: Buyers remorse, sellers remorse, donors remorse and more |
| https://exceptionalminerals.com/DEN2007-202indiamix3.jpg
This thing was 18x10x10cm. I looked at the price and I told to myself "if you are prepared to be eating pastas without salt at every ... |
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| Topic: An Overview of Minerals Toxicity - (32) |
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| cascaillou Replies: 7 Views: 12074 |
Forum: Featured Columns of FMF Posted: Jan 03, 2020 15:56 Subject: Re: An Overview of Minerals Toxicity - (32) |
| To summarize, minerals toxicity is mostly an occupational concern (i.e. to workers of the mining and stone industry), while mineral collectors should be on the safe side as long as some simple safety ... | |
| Topic: Smoky Quartz or Smoky Glass? |
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| cascaillou Replies: 21 Views: 7078 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jan 03, 2020 13:45 Subject: Re: Smokey Quartz or Smokey Glass? |
| It's indeed a polished piece of quartz. Possibly irradiated, or maybe not, that's impossible to tell.
Ps: concerning hardness, just keep in mind that two materials with the same hardness can scratc ... |
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| Topic: Smoky Quartz or Smoky Glass? |
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| cascaillou Replies: 21 Views: 7078 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jan 03, 2020 02:54 Subject: Re: Smokey Quartz or Smokey Glass? |
| Glass doesn't necessarily show any bubbles (or any inclusions at all), sometimes bubbles in glass may be organized in a veil-like pattern, but veils of fluid inclusions exclude glass.
Here's a pict ... |
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| Topic: Smoky Quartz or Smoky Glass? |
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| cascaillou Replies: 21 Views: 7078 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jan 02, 2020 21:06 Subject: Re: Smokey Quartz or Smokey Glass? |
| Bubbles would indeed indicate glass, but I do not see bubbles in the pictures, just what appears to be veils of fluid inclusions, which would be consistent with quartz. | |
| Topic: An Overview of Minerals Toxicity - (32) |
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| cascaillou Replies: 7 Views: 12074 |
Forum: Featured Columns of FMF Posted: Jan 02, 2020 18:55 Subject: Re: An Overview of Minerals Toxicity - (32) |
| Here are a few quality specimens to illustrate the topic: | |
| Topic: An Overview of Minerals Toxicity - (32) |
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| cascaillou Replies: 7 Views: 12074 |
Forum: Featured Columns of FMF Posted: Jan 02, 2020 18:02 Subject: Re: An Overview of Minerals Toxicity - (32) |
| Indeed, skin (dermal) absorption is also addressed in the article (if a mineral may show significant skin absorption, it is mentioned). | |
| Topic: An Overview of Minerals Toxicity - (32) |
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| cascaillou Replies: 7 Views: 12074 |
Forum: Featured Columns of FMF Posted: Jan 02, 2020 16:17 Subject: An Overview of Minerals Toxicity - (32) |
| If you prefer to see this article in PDF format, click on this
The same article in PDF format also in: https://www.academia.edu/40433628/An_Overview_of_Minerals_Toxicity Here you have the article ... |
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