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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 7 matches |
| Author | Message |
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 Topic: How to remove biological materials from minerals |
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| Calita Replies: 7 Views: 16147 |
 Forum: Conserving, Preparing and Cleaning Minerals Posted: Jun 12, 2016 12:20 Subject: Re: How to remove biological materials from minerals |
| Just in/at time Jordi.
Only a warning : Never mix cleaning products as H202 + ammonia or ammonia and chlorine bleach it's very dangerous. |
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| Topic: How to remove biological materials from minerals |
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| Calita Replies: 7 Views: 16147 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Jun 12, 2016 12:14 Subject: Re: How to remove biological materials from minerals |
| Try with concentrated and pure ammonia (25%) . It gives good results with organic material but it's not very quick. Depending the kind of material takes several days to remove.
Chlorine bleach (pure ... |
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| Topic: Crater Rock Museum, Central Point, Oregon |
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| Calita Replies: 17 Views: 43284 |
Forum: Other Museums in USA Posted: Jun 16, 2013 13:51 Subject: Re: Crater Rock Museum, Central Point, Oregon |
| Excellent report and photos. Thank you very much.
I think the piece from photo 25 is mislabelled too . It's not calcite but Baryte and the fluorite comes from Berbes , Spain . At least it's my opin ... |
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| Topic: Video of the large Naica's gypsum pocket |
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| Calita Replies: 2 Views: 8134 |
Forum: Minerals and Mineralogy Posted: Oct 26, 2009 13:44 Subject: Re: Video of the large Naica's gypsum pocket |
| With this link you can download (with Azureus program) in english.
https://www.mininova.org/tor/2997696 (link normalized by FMF) Regards |
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| Topic: Fluorite locale in Morocco |
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| Calita Replies: 8 Views: 35171 |
Forum: Minerals and Mineralogy Posted: Feb 09, 2009 19:48 Subject: Re: Fluorite locale in Morocco |
| I have several fluorites very similar as shown but in theory they come from Aouli, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco.
I don't know if yours come from Aouli but if it'd b ... |
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| Topic: Erythrite from Cerro Minado,Huercal Overa,Spain |
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| Calita Replies: 10 Views: 20765 |
Forum: Minerals and Mineralogy Posted: Dec 17, 2008 03:29 Subject: Re: Erythrite from Cerro Minado,Huercal Overa,Spain |
| Happy merry Xmas for you and all the forum.Regards. | |
| Topic: Erythrite from Cerro Minado,Huercal Overa,Spain |
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| Calita Replies: 10 Views: 20765 |
Forum: Minerals and Mineralogy Posted: Dec 16, 2008 13:53 Subject: Re: Erythrite from Cerro Minado,Huercal Overa,Spain |
| Don't worry at all .It's not farmacolite. It's aragonite.Sure. Regards. | |
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