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Newest topics and users posts
22 May-21:22:16 Re: collection of volkmar stingl (Volkmar Stingl)
22 May-14:54:58 Re: don lum collection (Don Lum)
22 May-11:58:28 Re: the mim museum in beirut, lebanon (Firmo Espinar)
22 May-10:21:09 Re: provide miller indices in practice please (Bob Carnein)
22 May-09:33:28 Re: the mim museum in beirut, lebanon (Mim Museum)
22 May-07:59:45 Re: provide miller indices in practice please (Bob Morgan)
22 May-04:17:03 Re: provide miller indices in practice please (James Catmur)
22 May-02:23:18 The mizunaka collection - ludlamite (Am Mizunaka)
21 May-17:26:32 Re: provide miller indices in practice please (Josele)
21 May-16:01:12 Provide miller indices in practice please (Robson Vieira)
21 May-12:49:16 Re: collection of michael shaw (Michael Shaw)
20 May-22:03:46 Re: collection of volkmar stingl (Volkmar Stingl)
20 May-20:45:03 Re: don lum collection (Don Lum)
20 May-19:11:50 The mizunaka collection - stalactite (Am Mizunaka)
20 May-15:43:58 Re: mineral identification tips (Robson Vieira)
20 May-15:37:59 Re: mineral identification tips (Robson Vieira)
20 May-15:32:02 Re: mineral identification tips (Robson Vieira)
20 May-15:24:04 Re: mineral identification tips (Robson Vieira)
19 May-14:28:05 Re: european mineral and mining museums (Robert Seitz)
19 May-13:04:59 Re: collection of volkmar stingl (Volkmar Stingl)
19 May-12:31:54 Re: don lum collection (Don Lum)
19 May-08:49:12 Re: collection of michael shaw (Michael Shaw)
19 May-08:08:17 Re: collection of joseph d'oliveira (Joseph Doliveira)
19 May-02:34:57 The mizunaka collection - quartz (Am Mizunaka)
18 May-09:12:36 Re: mineral identification tips (Josele)

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  Topic: Airtight display boxes ?
vicen

Replies: 14
Views: 22231

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: May 26, 2021 03:35   Subject: Re: Airtight display boxes ?
All will depend on the rubber per se.
For sealers, you can always use some a reversible adhesive.
To add environmental condition to your minerals, some desiccants sachets could be added, but you wil ...
  Topic: Airtight display boxes ?
vicen

Replies: 14
Views: 22231

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: May 25, 2021 08:19   Subject: Re: Airtight display boxes ?
Remember that the rubber offgas and will deteriorate with time.
Perhaps it will be better to get a glass plate and then, seal it in the same way that the natural sciences collections are kept in alc ...
  Topic: Airtight display boxes ?
vicen

Replies: 14
Views: 22231

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: May 25, 2021 03:36   Subject: Re: Airtight display boxes ?
interesting boxes! Where did you get the photo from?
  Topic: How to secure a mineral inside a plastic box?
vicen

Replies: 8
Views: 17628

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: May 25, 2021 03:32   Subject: Re: How to secure a mineral inside a plastic box?
I will recommend you Paraloid B72. Paraloid B-72 is an Acryloid (copolymer of ethyl methacrylate and methyl acrylate). The secret for it's strength is to leave it to dry for 24 hours. It has all the ...
  Topic: Soon 15 years of FMF and how to achieve many more
vicen

Replies: 20
Views: 13355

PostForum: Comments & Suggestions   Posted: Apr 22, 2021 03:24   Subject: Re: Soon 15 years of FMF and how to achieve many more
Thanks Jordi for all your input and dedication
  Topic: Unstable pyrite
vicen

Replies: 15
Views: 18718

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Nov 13, 2019 04:27   Subject: Re: Unstable pyrite
Pyrite decay is a problem from specimens of marcasite and pyrite coming from some locations, and in fact some locations are more prompt to develop the disease.
There are some chemical treatments that ...
  Topic: Mounting very tiny specimens
vicen

Replies: 10
Views: 19721

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Nov 16, 2015 05:03   Subject: Re: Mounting very tiny specimens
Hi,
I use a porcupine quill instead of a cactus spine. I have been using them for ages and they are great not to damage the specimens. The porcupine quills are harder than wood and softer than metal. ...
  Topic: Removing matrix using tile saw and air scribe
vicen

Replies: 8
Views: 18949

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jun 30, 2015 03:39   Subject: Re: Removing matrix using tile saw and air scribe
Hi.
I use this technique too to help minimising the matrix in our collections.
I would like to point out that it cannot be used in material sensitive to water, as the saw need water/fluid to opera ...
  Topic: Table of acid compatibilities?
vicen

Replies: 9
Views: 17462

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Apr 23, 2015 10:30   Subject: Re: Table of acid compatibilities?
I suppose is a matter of trying different chemical available and do some experiments in your materials.
Some acids that has been used too are:
Sulfamic acid _ Padilla_and_Parra_2009
and
Sodium p ...
  Topic: Method of Making a Custom Mineral Mount
vicen

Replies: 5
Views: 11093

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Feb 06, 2014 04:34   Subject: Re: Method of Making a Custom Mineral Mount
Hi,
Nice and effective but remember that it can be only used in short periods of time. The plaster will shrink as it loses his water!
Always check if the mineral o specimen is strong enough to cope ...
  Topic: A hardness gemologist tool
vicen

Replies: 11
Views: 15736

PostForum: Off-Topic and Introductions   Posted: Jan 09, 2014 03:47   Subject: Re: A hardness gemologist tool
Quite an interesting tool. Is it still in the market? Tá
  Topic: Stabilizing Crumbly Matrix
vicen

Replies: 12
Views: 19645

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 07, 2014 04:42   Subject: Re: Stabilizing Crumbly Matrix
Lluís

I cannot believe that Paraloid is not easy to find! Pass me your address and I will send you some grams that will give you adhesive for long time!

Ok, "white glue is common for all, e ...
  Topic: Stabilizing Crumbly Matrix
vicen

Replies: 12
Views: 19645

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 06, 2014 11:00   Subject: Re: Stabilizing Crumbly Matrix
Why did you use PVA to consolidate the minerals?

Personally, I'm a fan of the Paraloid B-72 in different concentrations of acetone and/or ethyl alcohol. I have been working with Paraloid B-72 for n ...
  Topic: Repairing mineral specimens
vicen

Replies: 30
Views: 53547

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jun 13, 2012 10:30   Subject: Re: Repairing mineral specimens
Have a look at this article which has just been out at
https://www.preplounge.blogspot.com
(link normalized by FMF)

Davidson, A. and G. Brown. 2012. Paraloid B-72: Practical tips for the verteb ...
  Topic: Repairing mineral specimens
vicen

Replies: 30
Views: 53547

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: May 09, 2012 06:25   Subject: Re: Repairing mineral specimens
Dear all,

Paraloid B-72 is being well studied in the last 20 years or so. I have included some files that can be of interest to you. Even if the articles are for fossils or archaeology, you can use ...
  Topic: Repairing mineral specimens
vicen

Replies: 30
Views: 53547

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: May 03, 2012 09:52   Subject: Re: Repairing mineral specimens
Hi, I have been observing that the use of adhesives is quite commun, more than we think. I complitely agree with Alfredo and even I will add to his comment that the repairs should be done only when ne ...
  Topic: Storage of minerals
vicen

Replies: 11
Views: 21750

PostForum: Minerals and Mineralogy   Posted: Oct 26, 2011 07:10   Subject: Re: Storage of minerals
Please remember that both plastic and news papers deteriorate with time and can produce gases as a consequence of the deterioration.
If you have to wrap the specimens (to protect them from UV) pleas ...
  Topic: Colorado School of Mines Geology Museum
vicen

Replies: 19
Views: 71677

PostForum: Colorado School of Mines Geology Museum   Posted: Sep 12, 2011 03:24   Subject: Re: Colorado School of Mines Geology Museum
Thanks for the clarification
  Topic: Colorado School of Mines Geology Museum
vicen

Replies: 19
Views: 71677

PostForum: Colorado School of Mines Geology Museum   Posted: Sep 12, 2011 03:11   Subject: Re: Colorado School of Mines Geology Museum
Hi,
Sorry a typo:

Sphalerite, Calcite
Aliva mine, Picos de Europa, Spain
A much larger specimen

Should say: Alava mine, Picos de Europa, Spain
  Topic: Chinese Rhodo King before and after being cleaned
vicen

Replies: 9
Views: 17683

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Sep 05, 2011 04:04   Subject: Re: Chinese Rhodo King before and after being cleaned
No news about how it has been clean!
It would be really interesting to share about how the specimen became so beautiful
 
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