We use cookies to show content based on your preferences. If you continue to browse you accept their use and installation. More information. >

FMF - Friends of Minerals Forum, discussion and message board
The place to share your mineralogical experiences

FMF English Forum is moderated by John S. White and Peter Megaw
 

Spanish message board






Newest topics and users posts
16 Sep-11:07:13 Re: donating funds - rock currier collection auction (Bergur_e_sigurdarson)
16 Sep-10:42:37 Re: donating funds - rock currier collection auction (Bob Harman)
16 Sep-10:06:16 Re: i want to know the name of this rock. (Gail)
16 Sep-09:19:41 Re: i want to know the name of this rock. (Kevin Schofield)
15 Sep-09:47:19 Re: collection from dany mabillard (Dany Mabillard)
14 Sep-23:42:20 Re: monthly mineral chronicles, mineral guides and more... (Crocoite)
14 Sep-23:40:13 Re: monthly mineral chronicles, mineral guides and more... (Crocoite)
14 Sep-13:47:20 The mizunaka collection - quartz (Am Mizunaka)
14 Sep-06:17:55 Re: collection of philippe durand (Philippe Durand)
14 Sep-04:02:34 Re: collection of firmo espinar (Firmo Espinar)
13 Sep-11:59:20 Re: may i get a read (Pete Richards)
13 Sep-11:03:32 Re: may i get a read (Rich Loose)
13 Sep-09:34:58 Re: may i get a read (Jim Hill)
12 Sep-19:30:30 Re: unreliable water guns? (Joseph Doliveira)
12 Sep-19:22:52 Re: may i get a read (Joseph Doliveira)
12 Sep-18:47:23 Re: the mizunaka collection - rhodochrosite (Am Mizunaka)
12 Sep-16:20:38 Re: may i get a read (Jim Hill)
12 Sep-16:11:37 Re: may i get a read (Matt_zukowski)
12 Sep-15:47:35 Re: unreliable water guns? (Bob Harman)
12 Sep-15:38:48 May i get a read (Jim Hill)
12 Sep-09:48:47 Re: the mizunaka collection - rhodochrosite (Tobi)
11 Sep-18:48:25 The mizunaka collection - rhodochrosite (Am Mizunaka)
11 Sep-14:26:05 Re: donating funds - rock currier collection auction (Gail)
11 Sep-14:18:31 Re: donating funds - rock currier collection auction (Jordi Fabre)
11 Sep-12:18:30 Re: donating funds - rock currier collection auction (Gail)

For lists of newest topics and postings click here


RSS RSS

View unanswered posts

Why and how to register

Index Index
 FAQFAQ RegisterRegister  Log inLog in
 {Forgotten your password?}Forgotten your password?  

Like
58204


The time now is Sep 16, 2019 11:10

Search for a textSearch for a text   

A general guide for using the Forum with some rules and tips
Search found 42 matches
Index
Author Message
  Topic: Zeolites and other Icelandic minerals from Hvalfjörður
Chris Rayburn

Replies: 12
Views: 2235

PostForum: Mines and Mineral Localities   Posted: Sep 04, 2019 06:58   Subject: Re: Zeolites and other Icelandic minerals from Hvalfjörður
That's a stunning specimen Bergur. Congratulations!
  Topic: Mineral collages 5.0
Chris Rayburn

Replies: 4
Views: 1077

PostForum: Mineral Art and Artists   Posted: Jul 18, 2019 07:09   Subject: Re: Mineral collages 5.0
That's beautiful Tobi! Nice work.
  Topic: Wulfenite USA
Chris Rayburn

Replies: 4
Views: 811

PostForum: What is it? - Where is it from?   Posted: Apr 10, 2019 05:48   Subject: Re: Wulfenite USA
Agree with John and Bob; Rowley Mine, Maricopa County, AZ. No question in my mind. Thanks for the good photographs...they make helping much easier.
  Topic: Tucson Show 2019
Chris Rayburn

Replies: 126
Views: 52525

PostForum: News about shows   Posted: Feb 19, 2019 07:50   Subject: Re: Tucson Show 2019
Bob, thank you so much for the excellent job (as always) of documenting the show, and in particular these cases. I have to agree, these displays set a new standard for the Tucson Show (or any show). ...
  Topic: 50+ lbs. Octahedral Pyrite - Is it from Huanzala Mine?
Chris Rayburn

Replies: 8
Views: 1692

PostForum: What is it? - Where is it from?   Posted: Jan 08, 2019 06:47   Subject: Re: 50+ lbs. Octahedral Pyrite - Is it from Huanzala Mine?
I have had good luck cleaning pyrite with both hydrochloric and phosphoric acids, and I know HCl is used to clean Huanzala specimens. That said, it doesn't sound like you have any lesser specimens on ...
  Topic: Irradiated fluorite from China?
Chris Rayburn

Replies: 5
Views: 1650

PostForum: Incorrect classification and fakes   Posted: Jan 07, 2019 07:44   Subject: Re: Irradiated fluorite from China?
Hi Pierre--there was a recent discussion thread about this topic on Mindat. It may shed some light on the subject:
https://www.mindat.org/mesg-6-451984.html
  Topic: The Mineralogical Record
Chris Rayburn

Replies: 18
Views: 20744

PostForum: The Mineralogical Record   Posted: Dec 31, 2018 08:28   Subject: Re: The Mineralogical Record
Very thoughtful input Bob. This thread took a bit of a turn from Bob H's original purpose. I believe you've brought it back around to solid ground. I happen to agree with the points you've made; no ...
  Topic: Zeolites and other Icelandic minerals from Hvalfjörður
Chris Rayburn

Replies: 12
Views: 2235

PostForum: Mines and Mineral Localities   Posted: Nov 01, 2018 05:43   Subject: Re: Zeolites and other Icelandic minerals from Hvalfjörður
Thank you for sharing these, Bergur. As an avid field collector, I always appreciate seeing photos of collecting sites and in situ material to help bring the collecting experience to life, although I ...
  Topic: Collecting quartz on the Little Falls dolostone
Chris Rayburn

Replies: 118
Views: 102042

PostForum: Mines and Mineral Localities   Posted: Oct 04, 2018 09:27   Subject: Re: Collecting quartz on the Little Falls dolostone
Good golly, that's a beauty, Vic. Some one of these days I'll make a collecting trip back there.
  Topic: Collecting quartz on the Little Falls dolostone
Chris Rayburn

Replies: 118
Views: 102042

PostForum: Mines and Mineral Localities   Posted: Oct 04, 2018 06:14   Subject: Re: Collecting quartz on the Little Falls dolostone
Wow. That's quite the haul for a day that didn't begin with collecting in mind! How's that water line coming along?
  Topic: We celebrate the 12th anniversary of the beginning of FMF!
Chris Rayburn

Replies: 19
Views: 3671

PostForum: Comments & Suggestions   Posted: Aug 07, 2018 07:45   Subject: Re: Today we celebrate the 12th anniversary of the beginning of FMF!
Long live FMF, indeed! Thanks for all that you do to keep this forum vital and valuable.
  Topic: Maine tourmaline find a month ago.
Chris Rayburn

Replies: 15
Views: 17365

PostForum: Mines and Mineral Localities   Posted: Aug 07, 2018 07:40   Subject: Re: Maine tourmaline find a month ago.
That is a happy man
  Topic: Collection Macros
Chris Rayburn

Replies: 31
Views: 6529

PostForum: Micros & Macros - Images of Minerals   Posted: Aug 05, 2018 15:30   Subject: Re: Collection Macros
Agree, looks like acid etched calcite. Dilute HCl and vinegar should have a similar effect on calcite, although dilute HCl will generally be more aggressive. HCl should have no effect on fluorite. ...
  Topic: Collection Macros
Chris Rayburn

Replies: 31
Views: 6529

PostForum: Micros & Macros - Images of Minerals   Posted: Aug 05, 2018 07:12   Subject: Re: Collection Macros
A very simple and definitive test--place a couple of drops of vinegar on it. If it fizzes, it's calcite; if not, it's fluorite or something else.
  Topic: Quartz collecting outings in South Africa
Chris Rayburn

Replies: 354
Views: 265143

PostForum: The Ten Thousand Club   Posted: Jun 22, 2018 06:34   Subject: Re: Quartz collecting outings in South Africa
Beautiful Pierre! Those are among the clearest and sharpest crystals you've found on your many outings. Congratulations.
  Topic: New Mexico Collecting - (27)
Chris Rayburn

Replies: 33
Views: 27195

PostForum: Featured Columns of FMF   Posted: May 24, 2018 16:09   Subject: Re: New Mexico Collecting - (27)
Always happy to tee 'em up...and I'm not even a golfer.
  Topic: New Mexico Collecting - (27)
Chris Rayburn

Replies: 33
Views: 27195

PostForum: Featured Columns of FMF   Posted: May 24, 2018 06:25   Subject: Re: New Mexico Collecting - (27)
Philip, you may be coming to this, but what is the current thinking on the source of the color in these specimens? The explanation I've heard most often is radiation from trace isotopes in the halite ...
  Topic: Fake specimens from the Erongo and Brandberg region.
Chris Rayburn

Replies: 23
Views: 10473

PostForum: Incorrect classification and fakes   Posted: Apr 10, 2018 07:32   Subject: Re: Fake specimens from the Erongo and Brandberg region.
Appreciate this Pierre.
  Topic: Presentation of new members - Reference Thread
Chris Rayburn

Replies: 393
Views: 226192

PostForum: Off-Topic and Introductions   Posted: Mar 17, 2018 08:21   Subject: Re: Presentation of new members - Phil Persson from Denver, Colorado
Hey Phil--welcome! Looking forward to your contributions.
  Topic: Tucson Show 2018
Chris Rayburn

Replies: 158
Views: 109611

PostForum: News about shows   Posted: Feb 03, 2018 09:27   Subject: Re: Tucson Show 2018
Hi Jim and John,

Don't mean to insert myself into this exchange, but I too am intrigued by co-occurrence of quartz and cristobalite. Is it possible that changing PT conditions during crystallizati ...
 
Page 1 of 3 Goto page 1, 2, 3  Next
All times are GMT - 5 Hours
Jump to:  


All pictures, text, design © Forum FMF 2006-2019


Powered by FMF