FMF - Friends of Minerals Forum, discussion and message board

Some occurrences of uranium mineralization are found in the SE US, but vast majority are very low grade and contained within shales or phosphate rock. Occasionally, visible uranium mineralization is ...

Just a thought. I wonder if this specimen could be a silicified marble. I say this based on a USGS report of the area upstream of the Big Gunpowder River which states:"...much of the area in th ...

If the specimen is indeed from Washington State, I believe what you have is a slickensided piece of serpentine -- the lustrous smooth side resulting from the piece being "rubbed" against oth ...

Jordi, you have raised a good point in another posting about the "atomization of the Tucson show" (Tucson Show 2018 - The atomization of the Tucson Shows) which, I believe, might have some r ...

I am glad this issue has been raised and, after reading the responses so far, wanted to add my thoughts. I, too, have noticed the increasing "graying" or in my case "balding" of m ...

I concur fully with the excellent answers/suggestions already provided to you. May I also suggest that if you are really interested in learning where minerals could occur and specimens be found, it m ...

I agree that indicating who a specimen once belonged to in a publication might not be necessary. However, to know who owned a specimen before I obtain it is interesting to me. When an old label is p ...

It is good that your son has demonstrated an interest in collecting minerals and rocks. I think the advice given to you already concerning sites is very good. Even as a former (now retired) explorat ...

I have recently noticed that quite a few internet dealers are posting various minerals from mines in the Viburnum Trend - specimens of calcite, iridescent chalcopyrite, galena, etc. I can't recall s ...

Author	Message
Topic: Any chance of finding uranium ore in Southeastern USA?
Jeff Replies: 5 Views: 23321	Forum: Rockhounding trips Posted: Mar 22, 2023 13:31 Subject: Re: Any chance of finding uranium ore in Southeastern USA?
Jeff Replies: 5 Views: 23321	Some occurrences of uranium mineralization are found in the SE US, but vast majority are very low grade and contained within shales or phosphate rock. Occasionally, visible uranium mineralization is ...
Topic: Help getting started on geology with 7 year old. New find.
Jeff Replies: 8 Views: 8110	Forum: What is it? - Where is it from? Posted: Jun 27, 2020 18:09 Subject: Re: Help getting started on geology with 7 year old. New find.
Jeff Replies: 8 Views: 8110	Just a thought. I wonder if this specimen could be a silicified marble. I say this based on a USGS report of the area upstream of the Big Gunpowder River which states:"...much of the area in th ...
Topic: Green petrified wood WA State?
Jeff Replies: 6 Views: 11557	Forum: Minerals and Mineralogy Posted: Jul 12, 2018 22:17 Subject: Re: Green petrified wood WA State?
Jeff Replies: 6 Views: 11557	If the specimen is indeed from Washington State, I believe what you have is a slickensided piece of serpentine -- the lustrous smooth side resulting from the piece being "rubbed" against oth ...
Topic: The overall health of this hobby
Jeff Replies: 26 Views: 51873	Forum: Off-Topic and Introductions Posted: Jan 13, 2018 14:53 Subject: Re: The overall health of this hobby
Jeff Replies: 26 Views: 51873	Jordi, you have raised a good point in another posting about the "atomization of the Tucson show" (Tucson Show 2018 - The atomization of the Tucson Shows) which, I believe, might have some r ...
Topic: The overall health of this hobby
Jeff Replies: 26 Views: 51873	Forum: Off-Topic and Introductions Posted: Jan 04, 2018 17:32 Subject: Re: The overall health of this hobby
Jeff Replies: 26 Views: 51873	I am glad this issue has been raised and, after reading the responses so far, wanted to add my thoughts. I, too, have noticed the increasing "graying" or in my case "balding" of m ...
Topic: interpretation of a geological map
Jeff Replies: 13 Views: 24678	Forum: Minerals and Mineralogy Posted: Sep 04, 2017 10:55 Subject: Re: interpretation of a geological map
Jeff Replies: 13 Views: 24678	I concur fully with the excellent answers/suggestions already provided to you. May I also suggest that if you are really interested in learning where minerals could occur and specimens be found, it m ...
Topic: Ex so and so’s collection
Jeff Replies: 26 Views: 36416	Forum: Minerals and Mineralogy Posted: Aug 10, 2017 11:16 Subject: Re: Ex so and so’s collection
Jeff Replies: 26 Views: 36416	I agree that indicating who a specimen once belonged to in a publication might not be necessary. However, to know who owned a specimen before I obtain it is interesting to me. When an old label is p ...
Topic: Advice needed: a rockhounding trip for a beginner
Jeff Replies: 15 Views: 32152	Forum: Rockhounding trips Posted: Jun 03, 2017 16:57 Subject: Re: Advice needed: a rockhounding trip for a beginner
Jeff Replies: 15 Views: 32152	It is good that your son has demonstrated an interest in collecting minerals and rocks. I think the advice given to you already concerning sites is very good. Even as a former (now retired) explorat ...
Topic: What is the source of the recent upsurge in Viburnum Trend minerals?
Jeff Replies: 1 Views: 8794	Forum: Mines and Mineral Localities Posted: May 02, 2016 17:57 Subject: What is the source of the recent upsurge in Viburnum Trend minerals?
Jeff Replies: 1 Views: 8794	I have recently noticed that quite a few internet dealers are posting various minerals from mines in the Viburnum Trend - specimens of calcite, iridescent chalcopyrite, galena, etc. I can't recall s ...