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Newest topics and users posts
28 Mar-09:37:50 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-19:47:08 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Pete Richards)
27 Mar-16:15:44 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-15:18:59 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Alfredo)
27 Mar-14:39:29 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-05:21:48 Re: the mim museum in beirut, lebanon (Mim Museum)
27 Mar-05:03:26 Re: trying to find information on rose/pink quartz and tourmaline associations. (Ning)
27 Mar-02:39:50 Re: the mim museum in beirut, lebanon (Tobi)
27 Mar-00:23:28 Re: collection of volkmar stingl (Volkmar Stingl)
26 Mar-00:53:41 Re: collection of volkmar stingl (Volkmar Stingl)
25 Mar-13:32:10 Re: collection of michael shaw (Michael Shaw)
25 Mar-00:25:58 The mizunaka collection - quartz (Am Mizunaka)
23 Mar-13:35:22 Re: collection of firmo espinar (Firmo Espinar)
22 Mar-08:32:28 Re: collection of michael shaw (Michael Shaw)
22 Mar-04:20:41 Re: the mim museum in beirut, lebanon (Mim Museum)
21 Mar-22:49:19 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:47:40 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:45:25 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-15:34:23 Re: the mizunaka collection - quartz (Am Mizunaka)
21 Mar-14:35:08 Re: jim’s mineral collection (Jim Wilkinson)
21 Mar-14:15:36 The 4th phoenix heritage mineral show (phms) hosted by mineralogical society of arizona (m (Chris Whitney-smith)
21 Mar-04:36:10 Re: the mizunaka collection (Tobi)
21 Mar-04:11:47 Re: jim’s mineral collection (James Catmur)
20 Mar-23:34:15 The mizunaka collection - quartz (Am Mizunaka)
20 Mar-18:13:16 Re: jim’s mineral collection (Jim Wilkinson)

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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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  Topic: Preparing a list of light sensitive minerals - (14)
Peter Lemkin

Replies: 92
Views: 158586

PostForum: Featured Columns of FMF   Posted: Feb 12, 2024 02:42   Subject: Re: Preparing a list of light sensitive minerals - (14)
Good question - I am not sure it did. If needs someone to scrape the thread and then compile it
Scouring through the thread, I believe these two posts could be helpful in enhancing Peter's list:

...
  Topic: Preparing a list of light sensitive minerals - (14)
Peter Lemkin

Replies: 92
Views: 158586

PostForum: Featured Columns of FMF   Posted: Feb 11, 2024 15:21   Subject: Re: Preparing a list of light sensitive minerals - (14)
list-in-progress [some repetition; some need more explanation.....

Apatite (pink from Pakistan, Afghanistan)
Aurivilliusite
Barite (blue)
Beryl (maxixe emerald)
Morganite
Bromargyrite
Calcite ...
  Topic: Need to identify black stone
Peter Lemkin

Replies: 21
Views: 2317

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Jan 17, 2024 05:56   Subject: Re: Need to identify black stone
I know members are trying to be polite and 'helpful' to the limited extent possible when people post bad pictures and NO OTHER essential information. I think answering them, even marginally does not h ...
  Topic: Mineral Labeling: how to properly acknowledge specimen is from an earlier collection
Peter Lemkin

Replies: 7
Views: 4703

PostForum: Minerals and Mineralogy   Posted: Feb 24, 2023 04:02   Subject: Re: Mineral Labeling: how to properly acknowledge specimen in from an earlier collection
There should not be a period after. Just a general observation - some people and some dealers put ex or Ex [name] for nearly every specimen they know who owned it before. In my own collection, I ONLY ...
  Topic: Tucson Shows 2023 - let the fun begin
Peter Lemkin

Replies: 77
Views: 49538

PostForum: News about Shows   Posted: Feb 20, 2023 15:50   Subject: Re: Tucson Shows 2023 - let the fun begin
I just wanted to second the 'motion' that members [or non-members] should find and read "An Essay on Mineral Prices" by Phil Perrson. Just put it into a search engine and it is easy to find- ...
  Topic: Unique Schorl Double Terminations
Peter Lemkin

Replies: 19
Views: 9613

PostForum: Minerals and Mineralogy   Posted: Jan 25, 2023 06:19   Subject: Re: Unique Schorl Double Terminations
I have one of these schorl from Erongo and have seen many being sold. They all seem to be the same - one 'normal' termination and the other side having what seems [to me] to be hundreds of parallel ep ...
  Topic: What does the mim Museum and it minerals mean
Peter Lemkin

Replies: 18
Views: 7419

PostForum: MIM Museum (Beirut, Lebanon)   Posted: Jan 15, 2023 11:40   Subject: Re: What does the mim Museum and it minerals mean
WOW! That collection and that museum are just fantastic. I always love Salim's explanation of the extraordinary beauty and amazing quality of billions of atoms and molecules lining up to form crystals ...
  Topic: Any Ideas?
Peter Lemkin

Replies: 22
Views: 13165

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Dec 29, 2022 12:49   Subject: Re: Any Ideas?
I'd hazard corundum - but nowhere do I see you state the size. The photos only imply what the size may be. For a diamond in that location it is too big and I don't think they have ones like that but ...
  Topic: Minerals to be found in only one location
Peter Lemkin

Replies: 10
Views: 6980

PostForum: Minerals and Mineralogy   Posted: Nov 27, 2022 01:38   Subject: Re: Minerals to be found in only one location
While agreeing with Alfredo's caveat, if you look at some technical summary articles on locations such as: Franklin, Mont St-Hilaire, Langban, Tsumeb etc., they often list those minerals they consider ...
  Topic: Don Lum Collection
Peter Lemkin

Replies: 2171
Views: 2094778

PostForum: Collection photos and Collector's page   Posted: Sep 19, 2022 04:04   Subject: Re: Don Lum Collection
Perhaps not many specimens, but there is actually a good amount of gold in Ireland....so nice specimens do occur, as above.

A likely source for Irish gold is placer mining in Ireland's rivers, incl ...
  Topic: Proper salinity tester when making alum crystals?
Peter Lemkin

Replies: 1
Views: 2939

PostForum: Off-Topic and Introductions   Posted: Sep 18, 2022 12:20   Subject: Re: Proper salinity tester when making alum crystals?
I hate to be the bearer of bad news, but this site is about natural minerals, not man-made ones. I suggest you seek your answers on another website. Good luck.

Hello!
I am producing alum crystals, ...
  Topic: Pseudomorph chemistry - (40)
Peter Lemkin

Replies: 28
Views: 31857

PostForum: Featured Columns of FMF   Posted: Aug 18, 2022 12:26   Subject: Re: Pseudomorph chemistry - (40)
"Superb reference"

Indeed, one of my top ten geoscience papers.
A copy is available upon request by MP.

Pseudomorphism, and more generally mineral replacement is a fascinating topic. ...
  Topic: Pseudomorph chemistry - (40)
Peter Lemkin

Replies: 28
Views: 31857

PostForum: Featured Columns of FMF   Posted: Aug 16, 2022 16:17   Subject: Re: Pseudomorph chemistry - (40)
[quote=]
Thank you for the reply.
I have the Vink paper but my chemistry training did not include orebodies. I will try to review the paper again.
Do you remember the author and/or title of the bo ...
  Topic: Pseudomorph chemistry - (40)
Peter Lemkin

Replies: 28
Views: 31857

PostForum: Featured Columns of FMF   Posted: Aug 14, 2022 02:34   Subject: Re: Pseudomorph chemistry - (40)
There are many papers that speak to all or part of your question. Here is one.
https://kipdf.com/stability-relations-of-malachite-and-azurite_5aee93577f8b9ac34f8b45b7.html
(link normalized by FMF)
...
  Topic: Asbestos name change
Peter Lemkin

Replies: 15
Views: 37335

PostForum: Improving the FMF Data Base of localities   Posted: Aug 04, 2022 11:51   Subject: Re: Asbestos name change
Aha....now the question becomes: What does one call the lung disease that used to be called 'asbestosis'? Val-des-Sources-RCM-osis?
  Topic: Collection of Michael Shaw
Peter Lemkin

Replies: 2077
Views: 2368998

PostForum: Collection photos and Collector's page   Posted: Jul 31, 2022 10:13   Subject: Re: Collection of Michael Shaw
This piece wouldn't win any awards for beauty - Szaibelyite is an uncommon to rare basic magnesium borate. The following sample has been in my collection since it was collected in July 1963, but just ...
  Topic: The historic Sainte-Marie-aux-Mines Show
Peter Lemkin

Replies: 50
Views: 84838

PostForum: Mineral Shows   Posted: Jul 29, 2022 00:53   Subject: Re: The historic Sainte-Marie-aux-Mines Show
"All is well that ends well...." Very strange how 'they finally saw the light' and not surprising that it was for the wrong reasons; but, "All is well that ends well...."

Part o ...
  Topic: Nature used 57 recipes to create Earth's ~10,500+ minerals!
Peter Lemkin

Replies: 1
Views: 3834

PostForum: Minerals and Mineralogy   Posted: Jul 03, 2022 11:46   Subject: Re: Nature used 57 recipes to create Earth's ~10,500+ minerals!
Friday, July 01, 2022
Crushed, Zapped, Boiled, Baked and More: Nature Used 57 Recipes to Create Earth’s 10,500+ “Mineral Kinds”

Washington, DC—A 15-year study led by Carnegie’s Robert Hazen and Sh ...
  Topic: Nature used 57 recipes to create Earth's ~10,500+ minerals!
Peter Lemkin

Replies: 1
Views: 3834

PostForum: Minerals and Mineralogy   Posted: Jul 03, 2022 11:31   Subject: Nature used 57 recipes to create Earth's ~10,500+ minerals!
Crushed, zapped, boiled, baked and more: Nature used 57 recipes to create Earth's 10,500-plus 'mineral kinds'

Date:
July 1, 2022
Source:
Carnegie Institution for Science
Summary:
A ...
  Topic: Quartz-diamond ..... Idk ?
Peter Lemkin

Replies: 4
Views: 4214

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Jun 14, 2022 02:42   Subject: Re: Quartz-diamond ..... Idk ?
Thank you I have read that a diamond of that size would be really really rare also

Nowhere did you state the size. In the top photo of the last two, one can clearly see the face of a quartz crysta ...
 
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