FMF - Friends of Minerals Forum, discussion and message board

Hello everyone. I am not the finder of this rock. It is on another forum an they have not provided information to the question of what it might be. I am posting here to see if all of you can help. I w ...

Clean them ONLY by brushing gently with a dry brush. They are formed from mineral salts of FeS so liquids can dissolve them again destroying the delicate structure. I would admonish you and anyone for ...

OK, I will not try to clean them. I do want to try and get some with the other colors mixed in without breaking. Then layer or model glue work. Do I need to dilute it with acetone like my fossils or d ...

Thanks for the information. I guess I need to go get more and clean them up. They look so much better in the link.

Hello, I found this at the North Sulfur River in Texas. It was around three weeks ago There was a thin shelf of these formations under a layer of old sediment. I tried several pieces but most were ver ...

Author	Message
Topic: Bubbly Looking Rock
Planko Replies: 1 Views: 2883	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jul 21, 2020 18:19 Subject: Bubbly Looking Rock
Planko Replies: 1 Views: 2883	Hello everyone. I am not the finder of this rock. It is on another forum an they have not provided information to the question of what it might be. I am posting here to see if all of you can help. I w ...
Topic: Pyrite?
Planko Replies: 11 Views: 8714	Forum: What is it? - Where is it from? Posted: Jun 26, 2020 11:24 Subject: Re: Pyrite?
Planko Replies: 11 Views: 8714	Clean them ONLY by brushing gently with a dry brush. They are formed from mineral salts of FeS so liquids can dissolve them again destroying the delicate structure. I would admonish you and anyone for ...
Topic: Pyrite?
Planko Replies: 11 Views: 8714	Forum: What is it? - Where is it from? Posted: Jun 25, 2020 18:40 Subject: Re: Pyrite?
Planko Replies: 11 Views: 8714	OK, I will not try to clean them. I do want to try and get some with the other colors mixed in without breaking. Then layer or model glue work. Do I need to dilute it with acetone like my fossils or d ...
Topic: Pyrite?
Planko Replies: 11 Views: 8714	Forum: What is it? - Where is it from? Posted: Jun 25, 2020 13:00 Subject: Re: Pyrite?
Planko Replies: 11 Views: 8714	Thanks for the information. I guess I need to go get more and clean them up. They look so much better in the link.
Topic: Pyrite?
Planko Replies: 11 Views: 8714	Forum: What is it? - Where is it from? Posted: Jun 24, 2020 17:54 Subject: Pyrite?
Planko Replies: 11 Views: 8714	Hello, I found this at the North Sulfur River in Texas. It was around three weeks ago There was a thin shelf of these formations under a layer of old sediment. I tried several pieces but most were ver ...