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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 11 matches |
| Author | Message |
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 Topic: Peridot on Lapis ??? |
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| Claus Replies: 14 Views: 26335 |
 Forum: Minerals and Mineralogy Posted: Feb 21, 2009 06:10 Subject: Re: Peridot on Lapis ??? |
| If it is an amphibole, it should be easy to see the cleavage planes.
Nepheline is hexagonal, has no cleavage and a grain will gelatinise in muriatic acid. All the best Claus |
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| Topic: Dunilite |
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| Claus Replies: 6 Views: 13786 |
Forum: Minerals and Mineralogy Posted: Jan 21, 2009 17:53 Subject: Re: Dunilite |
| John,
"Wish people would stop introducing such terms as it only compounds the confusion experienced by many collectors and consumers." You seem to overlook the fact that this may be th ... |
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| Topic: Dunilite |
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| Claus Replies: 6 Views: 13786 |
Forum: Minerals and Mineralogy Posted: Jan 16, 2009 05:03 Subject: Re: Dunilite |
| In
www(dot)cresla(dot)com/Library/News/News_11_03_04.htm you find the description of Ratnapuralitie, matching the descitpiton of Dunilite on Finegems web site. It really rubs me the wrong wa ... |
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| Topic: Museums policy |
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| Claus Replies: 27 Views: 78647 |
Forum: Minerals and Mineralogy Posted: Jan 05, 2009 10:27 Subject: Re: Museums policy |
| In the next few days, I will write a bunch of non-US curators and ask about their (their museum's) policy and national tax law. I suspect this would be an appropriate topic for the annual curators ge ... | |
| Topic: Colorless Wulfenite |
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| Claus Replies: 17 Views: 43509 |
Forum: Minerals and Mineralogy Posted: Jan 01, 2009 07:44 Subject: Re: Colorless Wulfenite |
| A colourless Wulfenite from Tsumeb is illustrated at:
https://www.williampinch.com (link normalized by FMF) Look under Tsumeb collection and find the Mawbyite & Wulfenite specimen. A ... |
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| Topic: Why is this wulfenite silver? |
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| Claus Replies: 27 Views: 60094 |
Forum: Minerals and Mineralogy Posted: Dec 28, 2008 05:12 Subject: Re: Why is this wulfenite silver? |
| Tracy,
Tsumeb has produced Wulfenite of many different colours. I do not recall seeing black/silver but it may be included. Long time ago (app. 1980) I saw lustrous, pitch-black Mimetite crysta ... |
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| Topic: Trying to start a small science museum |
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| Claus Replies: 6 Views: 13017 |
Forum: Minerals and Mineralogy Posted: Dec 26, 2008 05:03 Subject: Re: Trying to start a small science museum |
| Linda,
The key to any museum - for kids and adults - is to 'tell a good story'. Assume your visitors know little or nothing, tell them something they can relate to in a way so they remember. Plea ... |
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| Topic: Meeting in Tucson of FMF Forum's friends? |
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| Claus Replies: 47 Views: 88767 |
Forum: Comments & Suggestions Posted: Dec 23, 2008 17:43 Subject: Re: Meeting in Tucson of FMF Forum's friends? |
| Maryanne,
Gentle Ben's Brewing Company is in University, unaffected by road construction, easily accessible, convenient parking nearby ... and a VERY relevant venue - best beer in town. All ... |
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| Topic: Forum's name |
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| Claus Replies: 3 Views: 10598 |
Forum: Comments & Suggestions Posted: Dec 23, 2008 17:39 Subject: Re: Forum's name |
| > The advantage of FMF is that can mean anything:
> Fine Minerals Forum > Minerals For Fanatics... Frantic Mineral Filibusters? ;-) All the best Claus |
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| Topic: Regarding nanocrystalline materials |
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| Claus Replies: 8 Views: 17015 |
Forum: Minerals and Mineralogy Posted: Dec 21, 2008 15:35 Subject: Re: Regarding nanocrystalline materials |
| Kulbir,
Are your particles small enough to be accelerated by a mass spectrometer without disintegrating? I do not know as I have only used MS on organic molecules, so pl. let me know if you find a ... |
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| Topic: Cleaning a Baryte from Mina Teresita |
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| Claus Replies: 12 Views: 24588 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Dec 21, 2008 10:16 Subject: Re: Cleaning a Baryte from Mina Teresita |
| John,
Oxalic acid, 'Waller solution', etc. are excellent for removing iron oxides but as others noted they are not necessarily good for manganese oxides. Note that most (all?) compounds used t ... |
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