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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 12 matches |
| Author | Message |
|---|---|
 Topic: 43rd annual New Mexico Mineral Symposium |
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| John Rakovan Replies: 2 Views: 9876 |
 Forum: Mineral Shows Posted: Oct 24, 2023 12:21 Subject: 43rd annual New Mexico Mineral Symposium |
| Less than three weeks away, The 43rd annual New Mexico Mineral Symposium will be held in Socorro, New Mexico. For details and registration go to
http://www.geoinfo.nmt.edu/museum/nmms/home.cfml ( ... |
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| Topic: 50th Rochester Mineralogical Symposium - April 21-23, 2023 |
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| John Rakovan Replies: 9 Views: 17835 |
Forum: Mineral Shows Posted: Apr 20, 2023 10:55 Subject: Re: 50th Rochester Mineralogical Symposium - April 21-23, 2023 |
| Why the last?
The venue that hosted the RMS for several decades was lost to our use during the COVID shutdown. That facility is owned by the Rochester Institute of Technology and was repurposed fo ... |
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| Topic: 50th Rochester Mineralogical Symposium - April 21-23, 2023 |
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| John Rakovan Replies: 9 Views: 17835 |
Forum: Mineral Shows Posted: Apr 20, 2023 08:39 Subject: Re: 50th Rochester Mineralogical Symposium - April 21-23, 2023 |
| Dear James and Jordi,
Thanks for posting the links. Woody is correct. The RMS lost its facility during the COVID shutdown and going to a commercial venue in Rochester has proven to be cost prohi ... |
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| Topic: 50th Rochester Mineralogical Symposium - April 21-23, 2023 |
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| John Rakovan Replies: 9 Views: 17835 |
Forum: Mineral Shows Posted: Apr 19, 2023 22:20 Subject: Re: 50th Rochester Mineralogical Symposium - April 21-23, 2023 |
| Yes, there is but we can't post links in this site. Search McDougall Minerals go to the site and choose the What's New Blog and then the Rochester Symposium 2023 entry | |
| Topic: 50th Rochester Mineralogical Symposium - April 21-23, 2023 |
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| John Rakovan Replies: 9 Views: 17835 |
Forum: Mineral Shows Posted: Apr 19, 2023 17:07 Subject: 50th Rochester Mineralogical Symposium - April 21-23, 2023 |
| The 50th and final Rochester Mineralogical Symposium will be held online (only) April 21-23, 2023. For details and registration (free) go to the Rochester Mineralogical Symposium Facebook page.
Si ... |
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| Topic: Quartz and Humboldtine? from Colombia |
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| John Rakovan Replies: 16 Views: 31949 |
Forum: Minerals and Mineralogy Posted: May 12, 2019 06:50 Subject: Re: Quartz and Humboldtine? from Colombia |
| Bob, here is a photo of the display at the 2019 Cincinnati Geofair | |
| Topic: Quartz and Humboldtine? from Colombia |
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| John Rakovan Replies: 16 Views: 31949 |
Forum: Minerals and Mineralogy Posted: Oct 12, 2018 09:42 Subject: Re: Quartz and Humboldtine? from Colombia |
| Hi Marco,
The habit of the inclusions in the Columbian quartz is distinctly different. It does not look at all vermicular as do the inclusions in your sample. Cheers, John I bought this in ... |
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| Topic: Quartz and Humboldtine? from Colombia |
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| John Rakovan Replies: 16 Views: 31949 |
Forum: Minerals and Mineralogy Posted: Oct 06, 2018 14:24 Subject: Re: Quartz and Humboldtine? from Colombia |
| JOHN, As you know there were several of these examples in Denver. The best were VERY pricey. Are you saying there might be intentional partial cleaning of iron staining with an intention to deceive? ... | |
| Topic: Quartz and Humboldtine? from Colombia |
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| John Rakovan Replies: 16 Views: 31949 |
Forum: Minerals and Mineralogy Posted: Oct 06, 2018 07:56 Subject: Quartz and Humboldtine? from Colombia |
| Colorless quartz crystals that are heavily included at their terminations with a vivid yellow material have recently appeared on the specimen market ( https://www.mindat.org/photo-875255.html ). We ha ... | |
| Topic: Puzzled by triangular hillocks on apatite prism faces |
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| John Rakovan Replies: 6 Views: 11423 |
Forum: Minerals and Mineralogy Posted: May 07, 2014 10:14 Subject: Re: Puzzled by triangular hillocks on apatite prism faces |
| Matt,
If you are interested in diving into Hartman & Perdok theory and periodic bond chains in apatite I suggest the following papers. I tried copying both references into google and found copi ... |
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| Topic: Puzzled by triangular hillocks on apatite prism faces |
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| John Rakovan Replies: 6 Views: 11423 |
Forum: Minerals and Mineralogy Posted: May 07, 2014 06:11 Subject: Re: Puzzled by triangular hillocks on apatite prism faces |
| Hi Matt,
The triangular growth hillocks on the {100} crystal faces are made up of three vicinal faces with steps that are oriented in different directions, I the first chapter of Apatite-The Great ... |
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| Topic: Why this fluorapatite is purple? |
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| John Rakovan Replies: 11 Views: 21603 |
Forum: Minerals and Mineralogy Posted: Mar 25, 2014 11:28 Subject: Re: Why this fluorapatite is purple? |
| Dear Luis,
The rich purple of this apatite and others from locations like the Pulsifer Quarry in Maine, https://www.mindat.org/gallery.php?loc=6199&min=1572 , and Greifenstein Rocks, Ehrenfri ... |
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