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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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Search found 98 matches |
Author | Message |
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Topic: Some beautiful obsidian like rocks | |
R Saunders Replies: 6 Views: 4302 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Oct 20, 2021 10:24 Subject: Re: Some beautiful obsidian like rocks |
Many USA glass factories would dispose of the left over glass in the furnaces when they changed colors or closed up shop, or had to repair a cracked furnace. I have seen especially Fenton glass slag/l ... | |
Topic: Article on Naica and Gypsum | |
R Saunders Replies: 4 Views: 11013 |
Forum: Mineralogical Literature Posted: Oct 14, 2021 08:47 Subject: Re: Article on Naica and Gypsum |
Thanks and A nice article however using two different browsers no images to be seen. | |
Topic: A mineralogical trip through the states of USA - Indiana | |
R Saunders Replies: 139 Views: 184451 |
Forum: A mineralogical trip through the states of USA Posted: Oct 04, 2021 04:34 Subject: Re: A mineralogical trip through the states of USA - Indiana |
Thank you for the information. It weighs 3 lb 1.5 oz = 1403.301395 grams and is still oily V's the above pieces that fit in my ultrasonic cleaner which removed much dirt and oil. | |
Topic: A mineralogical trip through the states of USA - Indiana | |
R Saunders Replies: 139 Views: 184451 |
Forum: A mineralogical trip through the states of USA Posted: Oct 03, 2021 08:25 Subject: Re: A mineralogical trip through the states of USA - Indiana |
PYRITE : FeS2 from the Rensselear Quarry
Pleasant Ridge, Jasper Co., Indiana Now closed and flooded. Pyrite tubes and bitumen from the Devonian of Indiana, Black = bitumen (petroleum residue ... |
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Topic: Conditions where pyrite/pyritohedra are formed | |
R Saunders Replies: 16 Views: 12296 |
Forum: Minerals and Mineralogy Posted: Oct 01, 2021 09:11 Subject: Re: Conditions where pyrite/pyritohedra are formed |
I have a specimen with pyrite tubes. Do you know what causes that? | |
Topic: A mineralogical trip through the states of USA - Indiana | |
R Saunders Replies: 139 Views: 184451 |
Forum: A mineralogical trip through the states of USA Posted: Sep 22, 2021 12:56 Subject: Re: A mineralogical trip through the states of USA - Indiana |
Item #3 marcasite / pyrite. after cleaning. Known for the oil shale and oil residue. | |
Topic: A Tri-State Galena and Calcite | |
R Saunders Replies: 9 Views: 12568 |
Forum: Micros & Macros - Images of Minerals Posted: Sep 22, 2021 10:56 Subject: Re: A Tri-State Galena and Calcite |
Thank you, it was purchased at a rock show and was tagged that way. | |
Topic: A Tri-State Galena and Calcite | |
R Saunders Replies: 9 Views: 12568 |
Forum: Micros & Macros - Images of Minerals Posted: Sep 22, 2021 09:43 Subject: Re: A Tri-State Galena and Calcite |
my records show that it weighs 108 grams. | |
Topic: A mineralogical trip through the states of USA - Indiana | |
R Saunders Replies: 139 Views: 184451 |
Forum: A mineralogical trip through the states of USA Posted: Sep 22, 2021 09:12 Subject: Re: A mineralogical trip through the states of USA - Indiana |
PYRITE : FeS2 from the Rensselear Quarry
Pleasant Ridge, Jasper Co., Indiana Marcasite on pyrite on a couple. Item # 3 |
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Topic: A mineralogical trip through the states of USA - Indiana | |
R Saunders Replies: 139 Views: 184451 |
Forum: A mineralogical trip through the states of USA Posted: Sep 20, 2021 08:31 Subject: Re: A mineralogical trip through the states of USA - Indiana |
PYRITE : FeS2 from the Rensselear Quarry
Pleasant Ridge, Jasper Co., Indiana Marcasite on pyrite on a couple. #1 96 grams #2 268 grams |
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Topic: Chalcedony? | |
R Saunders Replies: 2 Views: 2514 |
Forum: What is it? - Where is it from? Posted: Aug 23, 2021 10:54 Subject: Re: Chalcedony? |
Chalcedony is a form of microcrystalline quartz and this looks like quartz, so it might contain chalcedony. I have no idea where it is from as it could be from millions of different places
Thanks ... |
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Topic: Chalcedony? | |
R Saunders Replies: 2 Views: 2514 |
Forum: What is it? - Where is it from? Posted: Aug 23, 2021 08:23 Subject: Chalcedony? |
I acquired this with no information. I have been told it is most likely Chalcedony. Fairly light weight and has a bit of a waxy feel. I would like to know where it may have come from, and what has cau ... | |
Topic: A Tri-State Galena and Calcite | |
R Saunders Replies: 9 Views: 12568 |
Forum: Micros & Macros - Images of Minerals Posted: Aug 20, 2021 00:39 Subject: Re: A Tri-State Galena and Calcite |
Mineral: Galena and Calcite Locality: Tri-State District, Jasper County, Missouri, USA Size: Description: Size please? In storage and cannot measure it.. Bob ______________________ ... |
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Topic: A Tri-State Galena and Calcite | |
R Saunders Replies: 9 Views: 12568 |
Forum: Micros & Macros - Images of Minerals Posted: Aug 18, 2021 14:08 Subject: A Tri-State Galena and Calcite |
A Tri-State Galena and Calcite. | |
Topic: Favourite Galenas? | |
R Saunders Replies: 36 Views: 63824 |
Forum: Favourite Minerals Posted: Aug 18, 2021 08:52 Subject: Re: Favourite Galenas? |
Are all of the mines in the Tri-State area now permanently closed? As per the U. S. health codes. Any Museums or visitor centers open. I know a lady that worked at one of the mines as did her father. | |
Topic: Advice needed on how to get started on a potential project. | |
R Saunders Replies: 6 Views: 4715 |
Forum: Off-Topic and Introductions Posted: Aug 04, 2021 10:39 Subject: Re: advice needed on how to get started on a potential project. |
There are Facebook groups about cleaning minerals and such but unlikely to find someone from your area. | |
Topic: Stay at home - Coronavirus / Covid-19 | |
R Saunders Replies: 364 Views: 328174 |
Forum: National Library of Spain / Biblioteca Nacional de España (BNE) and FMF Posted: Aug 01, 2021 04:45 Subject: Re: Corona COVID-19 virus - What is it ? Where is it from ? |
While most of the article went over my head, I do feel that the virus must be blowing in the trade winds or the jet stream. Our face masks as we are told will only help catch the droplets we put out t ... | |
Topic: Unknown quartz? | |
R Saunders Replies: 0 Views: 11163 |
Forum: What is it? - Where is it from? Posted: Jul 28, 2021 15:43 Subject: Unknown quartz? |
With further study it is a mineral with quartz crystals in the voids. A purchased item with no information. | |
Topic: Favourite Galenas? | |
R Saunders Replies: 36 Views: 63824 |
Forum: Favourite Minerals Posted: Jul 20, 2021 08:43 Subject: Re: Favourite Galenas? |
Galena and Marcasite
Possible, Viburnum Trend, Reynolds Co., Missouri, United States This is a very nice group of cubo-octahedral Galena crystals, the largest with yellow-metallic marcasite crys ... |
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Topic: Favourite Galenas? | |
R Saunders Replies: 36 Views: 63824 |
Forum: Favourite Minerals Posted: Jul 20, 2021 01:56 Subject: Re: Favourite Galenas? |
Another view | |
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