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A general guide for using the Forum with some rules and tips
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 104 matches |
| Author | Message |
|---|---|
 Topic: Problem with identification |
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| Vinoterapia Replies: 6 Views: 6152 |
 Forum: Minerals and Mineralogy Posted: Mar 28, 2023 11:27 Subject: Re: Problem with identification |
| My guess go for a Zircon crystal. | |
| Topic: Plain Jane granite identification |
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| Vinoterapia Replies: 5 Views: 3215 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 06, 2022 09:53 Subject: Re: Plain Jane granite identification |
| The rock of your countertop resembles very much the one I used to have at my former house in Spain. That rock was a Charnockite, commercially named as “Ubatuba green” for the place where it was quarri ... | |
| Topic: Canon SLR with stacking |
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| Vinoterapia Replies: 14 Views: 8241 |
Forum: Off-Topic and Introductions Posted: Nov 29, 2021 09:34 Subject: Re: Cannon SLR with stacking |
| Actually, I have been doing so for some time already. Not with a Canon, but using a Lumix G9. The pictures can be stacked either internally, by the camera, or externally using third-party software.
... |
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| Topic: Is that Goethite? Value? |
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| Vinoterapia Replies: 8 Views: 6787 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Dec 15, 2020 10:32 Subject: Re: Is that Goethite? Value? |
| In this forum we do not provide value estimates,
Furthermore, considering the looks and weight, I would say that the sample probably is a slag from a smelter. |
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| Topic: Who can help me |
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| Vinoterapia Replies: 26 Views: 23131 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Dec 12, 2020 11:10 Subject: Re: Who can help me |
| As I mentioned earlier in the post, and concurring with Mr. Stingl opinion, I believe that your samples are mostly chert concretions and some calcite crystals.
Making identifications by photographs ... |
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| Topic: Who can help me |
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| Vinoterapia Replies: 26 Views: 23131 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Dec 03, 2020 17:55 Subject: Re: Who can help me |
| I do have some small samples of chert from Burke County, Georgia. They look quite similar to yours. Those are interesting because in the crevices is non uncommon to find cacoxenite and other micromine ... | |
| Topic: Who can help me |
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| Vinoterapia Replies: 26 Views: 23131 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Dec 03, 2020 13:44 Subject: Re: Who can help me |
| it does not look like a volcanic rock, probably chert. | |
| Topic: Help me please, sounds like metal |
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| Vinoterapia Replies: 19 Views: 11716 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Sep 23, 2020 10:56 Subject: Re: Help me please, sounds like metal |
| Sorry, Bob, I see I did not make myself clear. Let me try again.
- The rock is a limestone. - The surface of the rock show signs of dissolution/abrasion (water-worn) as seen in karst. - Certain c ... |
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| Topic: Help me please, sounds like metal |
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| Vinoterapia Replies: 19 Views: 11716 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Sep 23, 2020 08:45 Subject: Re: Help me please, sounds like metal |
| I can assure you that your rock has no metal at all. It is simply a piece of limestone, and considering the texture of the surface, it was collected from a karst (cave) area. That ping that you hear i ... | |
| Topic: Appropriate Photo Editing Software |
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| Vinoterapia Replies: 8 Views: 22481 |
Forum: Micros & Macros - Images of Minerals Posted: Feb 28, 2020 09:53 Subject: Re: Appropriate Photo Editing Software |
| In my opinion, the best value for your money is in Affinity Photo. It will cost you only $50 and includes a lot of functionality for that price. The developers provide timely updates that have cost me ... | |
| Topic: Andalusie rockhunting trip |
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| Vinoterapia Replies: 2 Views: 15128 |
Forum: Rockhounding trips Posted: Feb 17, 2020 09:27 Subject: Re: Andalusie rockhunting trip |
| During April 9 to 11 there is the mineral fair at La Union, which is a small town just east of Cartagena. There you would find local minerals at a fair price, and even some advice from some of the loc ... | |
| Topic: The concept of matrix |
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| Vinoterapia Replies: 8 Views: 15266 |
Forum: Minerals and Mineralogy Posted: Jan 08, 2020 09:34 Subject: Re: The concept of matrix |
| There is probably more than a simple question of language, but in which industry context the term is used. The Spanish term "roca madre" is widely used in the oil industry as the equivalent ... | |
| Topic: Death of Heimo Hellwig |
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| Vinoterapia Replies: 19 Views: 42889 |
Forum: In Memoriam Posted: Apr 18, 2019 18:48 Subject: Re: Death of Heimo Hellwig |
| This is so tragic. My condolences to all his family and friends. | |
| Topic: New generation for picture - Ploum |
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| Vinoterapia Replies: 1440 Views: 2198481 |
Forum: Collection photos and Collector's page Posted: Nov 18, 2018 15:55 Subject: Re: New generation for picture - Ploum |
| Welcome back!!!!! | |
| Topic: Micro photos of inclusions in Quartz |
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| Vinoterapia Replies: 108 Views: 150103 |
Forum: Micros & Macros - Images of Minerals Posted: Sep 13, 2018 12:00 Subject: Re: Micro photos of inclusions in Quartz |
| Something from the Epidote-Clinozoisite family? | |
| Topic: Carbonates form on ponds in Oman like ice |
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| Vinoterapia Replies: 6 Views: 11080 |
Forum: Minerals and Mineralogy Posted: Apr 30, 2018 16:26 Subject: Re: Carbonates form on ponds in Oman like ice |
| Hi Matt, the problem with the Omani example is that we do not have any measurement or scale to know how thick and extend those crusts are.
In caves, the floating crust does not look as dull as in t ... |
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| Topic: Carbonates form on ponds in Oman like ice |
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| Vinoterapia Replies: 6 Views: 11080 |
Forum: Minerals and Mineralogy Posted: Apr 30, 2018 09:44 Subject: Re: Carbonates form on ponds in Oman like ice |
| I have seen this happening in small ponds in caves, where the carbonate form a thin crust or "islands" supported by surface tension. I guess that eventually, these flocculate to the bottom. | |
| Topic: New generation for picture - Ploum |
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| Vinoterapia Replies: 1440 Views: 2198481 |
Forum: Collection photos and Collector's page Posted: Apr 04, 2018 12:06 Subject: Re: New generation for picture - Ploum / Over 500.000 reads!! |
| Congratulations!!!!!!
Now let's go for the Million!!!! |
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| Topic: Happy Holidays to everyone and a Rocky New Year! |
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| Vinoterapia Replies: 18 Views: 21594 |
Forum: Off-Topic and Introductions Posted: Dec 19, 2017 10:32 Subject: Re: Happy Holidays to everyone and a Rocky New Year! |
| Merry Christmas to all and wishes for a fruitful 2018. | |
| Topic: New generation for picture - Ploum |
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| Vinoterapia Replies: 1440 Views: 2198481 |
Forum: Collection photos and Collector's page Posted: Dec 02, 2017 16:44 Subject: Re: New generation for picture - Ploum |
| My sincere condolences for the passing of your mother.
I hope to see you soon back in the forum. |
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