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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 90 matches |
| Author | Message |
|---|---|
 Topic: Is this red quartz - purple fluorite specimen from Spain? |
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| xdxucn Replies: 5 Views: 1160 |
 Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Dec 26, 2022 20:01 Subject: Re: Is this red quartz - purple fluorite specimen from Spain? |
| Thanks for the locality info. | |
| Topic: Is this red quartz - purple fluorite specimen from Spain? |
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| xdxucn Replies: 5 Views: 1160 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Dec 26, 2022 10:18 Subject: Re: Is this red quartz - purple fluorite specimen from Spain? |
| I just searched the gallery of FMF and found that it might be from Germany.
Johannesschacht Mine, Wölsendorf, Schwarzach bei Nabburg, Wölsendorf West District, Upper Palatinate/Oberpfalz, Bavaria/ ... |
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| Topic: Is this red quartz - purple fluorite specimen from Spain? |
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| xdxucn Replies: 5 Views: 1160 |
Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Dec 26, 2022 10:06 Subject: Is this red quartz - purple fluorite specimen from Spain? |
| I have a specimen of red quartz sitting on purple fluorite. But I don't know the exact locality of it. Is it from Spain? | |
| Topic: Happy Holidays / 2022-2023 |
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| xdxucn Replies: 12 Views: 3219 |
Forum: Comments & Suggestions Posted: Dec 25, 2022 00:06 Subject: Happy Holidays / 2022-2023 |
| Xmas tree | |
| Topic: Happy Holidays / 2022-2023 |
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| xdxucn Replies: 12 Views: 3219 |
Forum: Comments & Suggestions Posted: Dec 24, 2022 19:48 Subject: Happy Holidays / 2022-2023 |
| Merry Christmas to all!
Stibnite with Siderite, plus extra star on top. :) |
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| Topic: Collection of Xiao-dong |
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| xdxucn Replies: 113 Views: 121405 |
Forum: Collection photos and Collector's page Posted: Dec 24, 2022 06:05 Subject: Re: Collection of Xiao-dong |
| Reticulated Cerussite crystals from Tsumeb are always high on most collector's lists. This snowflake specimen is from ex Mike Groben collection. Just watch the video to get the beauty of it.
https: ... |
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| Topic: Collection of Xiao-dong |
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| xdxucn Replies: 113 Views: 121405 |
Forum: Collection photos and Collector's page Posted: Dec 24, 2022 05:41 Subject: Re: Collection of Xiao-dong |
| Gypsum sunflower from Red River Flood Way, Winnipeg, Manitoba, Canada.
VIDEO: https://www.youtube.com/shorts/ByLtkcb7OkQ The youtube embedding button still didn't work for me. |
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| Topic: Collection of Xiao-dong |
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| xdxucn Replies: 113 Views: 121405 |
Forum: Collection photos and Collector's page Posted: Dec 13, 2022 05:52 Subject: Re: Collection of Xiao-dong |
| This is an interesting polycrystalline growth Vivianite from Bolivia. Thumbnail specimen. | |
| Topic: Collection of Xiao-dong |
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| xdxucn Replies: 113 Views: 121405 |
Forum: Collection photos and Collector's page Posted: Dec 02, 2022 09:18 Subject: Re: Collection of Xiao-dong |
| https://www.youtube.com/shorts/EPck4n-DWhk
I got an error message when I add youtube video, so I just post the video link. If it breaks the rule of forum, just ignore it. |
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| Topic: Is this Calcite or Dolomite |
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| xdxucn Replies: 8 Views: 4676 |
Forum: What is it? - Where is it from? Posted: Jul 31, 2020 22:42 Subject: Re: Is this Calcite or Dolomite |
| Thanks for the answer. Maybe I can do a little hardness test on the back corner side of the specimen. And I will let you know the result.
As for identification of similar samples, some says it's ca ... |
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| Topic: Is this Calcite or Dolomite |
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| xdxucn Replies: 8 Views: 4676 |
Forum: What is it? - Where is it from? Posted: Jul 29, 2020 23:26 Subject: Is this Calcite or Dolomite |
| I've got a piece of specimen, which said to be Galena+Calcite from Russia.
In Rock and Gem magazine, April 2017, there's an article "Is it Calcite or Dolomite". In the article, it says t ... |
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| Topic: Collection of Xiao-dong |
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| xdxucn Replies: 113 Views: 121405 |
Forum: Collection photos and Collector's page Posted: Aug 15, 2014 22:06 Subject: Re: Collection of Xiao-dong |
| Sharp phantom fluorite with glossy surface. | |
| Topic: Collection of Xiao-dong |
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| xdxucn Replies: 113 Views: 121405 |
Forum: Collection photos and Collector's page Posted: Aug 15, 2014 06:07 Subject: Re: Collection of Xiao-dong |
| An inner part of a rounded nodule of Blue John fluorite has been highly polished into a shallow dome revealing the fine banded structure of the fluorite within. | |
| Topic: Collection of Xiao-dong |
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| xdxucn Replies: 113 Views: 121405 |
Forum: Collection photos and Collector's page Posted: Aug 15, 2014 04:07 Subject: Re: Collection of Xiao-dong |
| Crystals of amethyst with great color. | |
| Topic: Collection of Xiao-dong |
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| xdxucn Replies: 113 Views: 121405 |
Forum: Collection photos and Collector's page Posted: Aug 15, 2014 00:06 Subject: Re: Collection of Xiao-dong |
| Beautiful cluster of Siderite crystals, like pinecones. There are little Pyrite crystals all over the surface. | |
| Topic: Collection of Xiao-dong |
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| xdxucn Replies: 113 Views: 121405 |
Forum: Collection photos and Collector's page Posted: Aug 13, 2014 10:36 Subject: Re: Collection of Xiao-dong |
| Yes Xiao, it is Chalcopyrite.
Thank you, Jordi. I found that the Fluorite fluoresced pale yellow color under SW UV light. |
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| Topic: Collection of Xiao-dong |
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| xdxucn Replies: 113 Views: 121405 |
Forum: Collection photos and Collector's page Posted: Aug 13, 2014 07:23 Subject: Re: Collection of Xiao-dong |
| Transparent violet fluorite crystals with lustrous sphalerite. BTW, what's on the surface of fluorite? Are they little chalcopyrite crystals? | |
| Topic: Tutorial to do better photos of minerals by Xiao-dong |
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| xdxucn Replies: 15 Views: 36938 |
Forum: Micros & Macros - Images of Minerals Posted: Aug 12, 2014 21:20 Subject: Re: Tutorial to do better photos of minerals by Xiao-dong |
| Hello Xiao!
A final question: Is the software "Topaz ReMask" suitable for all postprocessing photo-software, or is this a special add-on for Photoshop? Martin I think ReMask needs host ... |
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| Topic: Tutorial to do better photos of minerals by Xiao-dong |
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| xdxucn Replies: 15 Views: 36938 |
Forum: Micros & Macros - Images of Minerals Posted: Aug 11, 2014 17:58 Subject: Re: Tutorial to do better photos of minerals by Xiao-dong |
| Here's another rough modification based on your first photo.
That specimen is a piece of slice. Usually I put slice pieces direct on the table (not standing) and take photos. So gradient backgroun ... |
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| Topic: Tutorial to do better photos of minerals by Xiao-dong |
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| xdxucn Replies: 15 Views: 36938 |
Forum: Micros & Macros - Images of Minerals Posted: Aug 11, 2014 17:42 Subject: Re: Tutorial to do better photos of minerals by Xiao-dong |
| Hello Xiao!
A question: Is the soft shadow on the bottom of your specimens natural (made with lightning), or is it artificial (made with photoshop)? I want to post here two photos from my collec ... |
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