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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 30 matches |
| Author | Message |
|---|---|
 Topic: Merry Christmas 2015 and Happy New Year! |
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| marvsT/Nminerals Replies: 28 Views: 34809 |
 Forum: Off-Topic and Introductions Posted: Dec 27, 2015 00:13 Subject: Re: Merry Christmas 2015 and Happy New Year! |
| I'm a little late to wish you a Merry Christmas, but I do hope you have a GREAT New Year's. That is a beautiful rosasite! Where is it from? Perhaps the Ojuela Mine at Mapimi? Marv | |
| Topic: Dioptase from M'fouati District, Republic of Congo |
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| marvsT/Nminerals Replies: 2 Views: 7898 |
Forum: Mines and Mineral Localities Posted: Feb 21, 2015 18:49 Subject: Re: Dioptase from M'fouati District, Republic of Congo |
| If you check mindat.org you will find information about this locality, along with two photos of tiny, poor dioptase crystals. It seems that locals are recovering specimens from the mine recently, so, ... | |
| Topic: Laayla Collection |
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| marvsT/Nminerals Replies: 23 Views: 35063 |
Forum: Collection photos and Collector's page Posted: Mar 07, 2014 23:29 Subject: Re: Hello,new to FMF,My collection |
| Welcome, Glad to have you as a member. That is an interesting specimen you have there! Send us more. Marv | |
| Topic: How to clean calcite specimens |
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| marvsT/Nminerals Replies: 11 Views: 17750 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Mar 02, 2014 17:53 Subject: Re: How to clean calcite specimens |
| Ivan, A note about cleaning calcite and other carbonates. Many crystals are temperature sensitive and should be cleaned with water that is at the same temperature as the mineral otherwise they may cr ... | |
| Topic: Oddities from Brandberg, Namibia |
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| marvsT/Nminerals Replies: 70 Views: 100301 |
Forum: Minerals and Mineralogy Posted: Feb 24, 2014 00:32 Subject: Re: Unknown crystal in Brandberg quartz crystal |
| Do you know what other associated minerals came out of that pocket or nearby pockets? The associated minerals might give you a clue as to the mineralogy of the immediate area. Marv | |
| Topic: Calcite and Oyelite from N'Chwaning |
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| marvsT/Nminerals Replies: 10 Views: 12221 |
Forum: Minerals and Mineralogy Posted: Feb 16, 2014 19:57 Subject: Re: Cacite and oyelite from N'Chwaning |
| A beautiful and intriguing specimen, Pierre. I have been building a collection of minerals from the Kalahari Manganese Fields for several years and have never seen anything like your specimen anywher ... | |
| Topic: A mineralogical trip through Germany / Niedersachsen - Lower Saxony |
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| marvsT/Nminerals Replies: 15 Views: 31951 |
Forum: A mineralogical trip through Germany Posted: Feb 06, 2014 17:54 Subject: Re: A mineralogical trip through Germany / Niedersachsen - Lower Saxony |
| Beautifully twinned harmotome crystals. Not a micromount or a thumbnail (my favorite sizes), but I love the specimen!. Marv | |
| Topic: Happy Holidays to all of you out there, wherever you are |
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| marvsT/Nminerals Replies: 15 Views: 21268 |
Forum: Off-Topic and Introductions Posted: Dec 08, 2013 22:39 Subject: Re: Happy Holidays to all of you out there, wherever you are |
| Thanks Mark, for reminding us of the season and of our shared interests. Happy holidays to you and all the FMF fans. Marv | |
| Topic: Measuring mineral specimens |
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| marvsT/Nminerals Replies: 15 Views: 19296 |
Forum: Minerals and Mineralogy Posted: Feb 02, 2013 17:22 Subject: Re: Measuring mineral specimens |
| Hello Pierre, I like the method GneissWare uses with provision that the first dimension be across the display face even if the depth be greater. Marv | |
| Topic: A new member from Sudan |
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| marvsT/Nminerals Replies: 20 Views: 27904 |
Forum: Off-Topic and Introductions Posted: Jan 10, 2013 19:23 Subject: Re: A new member from Sudan |
| Welcome from Wisconsin, USA. Looking forward to your postings. Marv | |
| Topic: Server failure |
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| marvsT/Nminerals Replies: 6 Views: 13384 |
Forum: Comments & Suggestions Posted: Nov 02, 2012 20:20 Subject: Re: Server failure/wulfenite |
| Nice wulfenite, Pete. At first I thought it was from the Red Cloud Mine. Just how large is the piece? | |
| Topic: Quartz collecting outings in South Africa |
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| marvsT/Nminerals Replies: 354 Views: 541307 |
Forum: Mines and Mineral Localities Posted: Oct 31, 2012 10:02 Subject: Re: Quartz collecting outings in South Africa |
| I have very much enjoyed your photos and comments, Pierre. It is entertaining and educational for me to see the minerals "in situ" along with some of the larger features of where they are f ... | |
| Topic: Milpillas Azurite - fake specimen |
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| marvsT/Nminerals Replies: 27 Views: 61006 |
Forum: Incorrect classification and fakes Posted: Oct 27, 2012 14:13 Subject: Re: Milpillas Azurite specimen |
| Perhaps the teal colored mineral is chrysocolla. There is a photo on mindat.org (Photo ID: 145140) of azurite from the Milpillas Mine with what is probably chrysocolla and another copper silicate, pl ... | |
| Topic: Quartz (thunder egg) from Romania |
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| marvsT/Nminerals Replies: 4 Views: 13856 |
Forum: Mines and Mineral Localities Posted: Oct 11, 2012 21:36 Subject: Re: Quartz (thunder egg) from Romania |
| Because thundereggs are not minerals, and because they are so well known from the Pacific Northwest it is easy to suppose that something similar from Europe would not be such. However, thundereggs ar ... | |
| Topic: The collection of Pierre and Riana Joubert |
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| marvsT/Nminerals Replies: 314 Views: 399738 |
Forum: Collection photos and Collector's page Posted: Sep 11, 2012 15:00 Subject: Re: The collection of Pierre and Riana Joubert |
| Very nice pieces Pierre, I am partial to thumbnail sized pieces and miniatures, but the large smoky quartz from Erongo (100_1724.JPG) is breathtaking. Thank you for sharing, Marv | |
| Topic: Drilling a cavity into quartz |
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| marvsT/Nminerals Replies: 4 Views: 9655 |
Forum: Off-Topic and Introductions Posted: Jan 05, 2012 21:27 Subject: Re: Drilling a cavity into quartz |
| Either a carbide or diamond tipped drill bit will work, IF it is cooled with water. However, a one inch hole in that size stone would weaken it considerably. Why not a smaller hole with a LED in it ... | |
| Topic: How one can understand photoshopped pictures of specimens |
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| marvsT/Nminerals Replies: 6 Views: 10361 |
Forum: Minerals and Mineralogy Posted: Jul 16, 2011 16:23 Subject: Re: how one can understand photoshopped pictures of specimens |
| I do not know what source(s) you have been viewing, but there are several on eBay that have misrepresented some minerals in the past. For instance, some of the Indian zeolites with a red tinge were p ... | |
| Topic: Anton Potgieter collection. |
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| marvsT/Nminerals Replies: 82 Views: 126332 |
Forum: Off-Topic and Introductions Posted: Jun 05, 2011 11:26 Subject: Re: Anton Potgieter collection. |
| Hi Anton, The azurite with native copper, DSC03253, looks more like a magnificent shattuckite. I am enjoying your photos, especially the ones from the Kalahari Manganese Fields as I also collect spe ... | |
| Topic: Brazil Law? |
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| marvsT/Nminerals Replies: 18 Views: 49936 |
Forum: Minerals and Mineralogy Posted: Mar 11, 2011 14:10 Subject: Re: Brazil Law? |
| Today I stumbled onto an interesting, if old, paper on twinning on quartz. It deals primarily with the parallel-axis twins i.e. Brazil and Dauphiné and mixes of them. It's in American Mineralogist, ... | |
| Topic: Gluing rock to rock for art display |
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| marvsT/Nminerals Replies: 4 Views: 10682 |
Forum: Off-Topic and Introductions Posted: Dec 26, 2010 00:11 Subject: Re: Gluing rock to rock for art display |
| I would go down to my local hardware store and check with one of their consultants. It sounds as if you are going to need bulk quantities for such a project. Most of those on this forum collect mine ... | |
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