|
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.
|
| Search found 27 matches |
| Author | Message |
|---|---|
 Topic: Chinese "Hydrozincite" specimens? |
|
| Barry Vincent Replies: 4 Views: 16485 |
 Forum: Incorrect classification and fakes Posted: Oct 07, 2015 17:31 Subject: Re: Chinese "Hydrozincite" specimens? |
| Jordi. Here is a picture of one of those suspicious Chinese 'Hydrozincites' for you to look at.
You can of course delete this image after you have seen it as this is not one of my own photographs as ... |
|
| Topic: Chinese "Hydrozincite" specimens? |
|
| Barry Vincent Replies: 4 Views: 16485 |
Forum: Incorrect classification and fakes Posted: Oct 07, 2015 06:05 Subject: Re: Chinese "Hydrozincite" specimens? |
| Jordi. Thank you for the quick response to my inquiry. I checked out that link and the consensus there was that it's not Hydrozincite, but either Aragonite or Calcite with perhaps a trace of Hydrozinc ... | |
| Topic: Chinese "Hydrozincite" specimens? |
|
| Barry Vincent Replies: 4 Views: 16485 |
Forum: Incorrect classification and fakes Posted: Oct 07, 2015 04:36 Subject: Chinese "Hydrozincite" specimens? |
| During one of my favorite pastimes (surfing Ebay) I came across what is claimed to be Hydrozincite from China. It's one of the missing species in my collection and I'm thinking of buying such a specim ... | |
| Topic: How to remove iron stains? |
|
| Barry Vincent Replies: 24 Views: 76906 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Nov 16, 2013 00:14 Subject: Re: How to remove iron stains? |
| Super Iron Out is much safer and just as effective (and maybe more so) as Oxalic acid. One should use the least aggressive cleaner possible when cleaning. Also, I have seen many specimens ruined by ... | |
| Topic: How to remove iron stains? |
|
| Barry Vincent Replies: 24 Views: 76906 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Nov 15, 2013 23:28 Subject: Re: How to remove iron stains? |
| Oxalic acid has a high affinity for calcium and will etch most fluorite, dulling the luster. Speaking from experience, I would not recommend using it to clean fluorite (or much of anything else for th ... | |
| Topic: How to remove iron stains? |
|
| Barry Vincent Replies: 24 Views: 76906 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Nov 15, 2013 17:24 Subject: Re: How to remove iron stains? |
| Oxalic Acid still hasn't been mentioned yet or am I missing some detail here :) | |
| Topic: Alternative to Ethyl (Ethanol) for Qualitative Analysis |
|
| Barry Vincent Replies: 4 Views: 9250 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Aug 28, 2013 20:49 Subject: Re: Alternative to Ethyl (Ethanol) for Qualitative Analysis |
| Thanks for the response Gneiss.
I just looked at the 1lt bottle of Methylated Spirits that I already have and it says on the label 95 % v/v Ethanol. No dyes have been added as it's clear. Seems ... |
|
| Topic: Alternative to Ethyl (Ethanol) for Qualitative Analysis |
|
| Barry Vincent Replies: 4 Views: 9250 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Aug 28, 2013 20:19 Subject: Re: Alternative to Ethyl (Ethanol) for Qualitative Analysis |
| I've not actually done this procedure so I don't know for certain, but I would think that ordinary "denatured alcohol" (impure ethanol, sold as alcohol stove fuel) would work equally well. ... | |
| Topic: Alternative to Ethyl (Ethanol) for Qualitative Analysis |
|
| Barry Vincent Replies: 4 Views: 9250 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Aug 28, 2013 17:14 Subject: Alternative to Ethyl (Ethanol) for Qualitative Analysis |
| I'm getting together a selection of reagents ect (as listed in Pough's Field Guide) so as to try my hand at Blowpipe Analysis.
However I've come up against a problem of obtaining Ethyl Alcohol (Etha ... |
|
| Topic: How to remove iron stains? |
|
| Barry Vincent Replies: 24 Views: 76906 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Aug 07, 2013 17:34 Subject: Re: How to remove iron stains? |
| Oxalic Acid hasn't been mentioned here yet. I use it now and again and have had no problems as yet. | |
| Topic: Dana's Textbook of Mineralogy |
|
| Barry Vincent Replies: 20 Views: 40294 |
Forum: Mineralogical Literature Posted: Jun 20, 2013 11:19 Subject: Re: Dana's Textbook of Mineralogy |
| Hi John, yes I also contacted Easton Press and they informed me that the Paterson estate voided their contract.
Thanks for trying to help. Barry |
|
| Topic: Dana's Textbook of Mineralogy |
|
| Barry Vincent Replies: 20 Views: 40294 |
Forum: Mineralogical Literature Posted: Jun 20, 2013 02:33 Subject: Re: Dana's Textbook of Mineralogy |
| Thanks for this Tom , John, I'll follow through with that information | |
| Topic: Dana's Textbook of Mineralogy |
|
| Barry Vincent Replies: 20 Views: 40294 |
Forum: Mineralogical Literature Posted: Jun 17, 2013 07:16 Subject: Re: Dana's Textbook of Mineralogy |
| John, thanks for the information about the special edition of
Pough's Field Guide to Rocks & Minerals. I"ve searched the internet and I haven't been able to see anyone actually listing t ... |
|
| Topic: Tarnished Cuprite |
|
| Barry Vincent Replies: 0 Views: 5870 |
Forum: Conserving, Preparing and Cleaning Minerals Posted: Jun 09, 2013 08:37 Subject: Tarnished Cuprite |
| Is there a non destructive way of cleaning (brightening up ) tarnished Cuprite
I have a large (hand size) ore specimen which is a mass of tiny Cuprite crystals. The whole specimen is very tarnished ... |
|
| Topic: Mind Game |
|
| Barry Vincent Replies: 0 Views: 7573 |
Forum: Off-Topic and Introductions Posted: Jun 08, 2013 17:12 Subject: Mind Game |
| Since I recently joined this forum I've been enjoying the wonderful photographs in the Museum threads. Some of the mineral specimens in these museums are gigantic, even monstrous and quite often it is ... | |
All times are GMT - 5 Hours |
FAQ 
Register
Log in
Forgotten your password?
