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21 Feb-22:26:53 Re: the joy of tucson, 2020 gail spann experience (Gail)
21 Feb-22:16:51 Re: the joy of tucson, 2020 gail spann experience (Gail)
21 Feb-15:43:14 Re: building a great mineral collection? (Basti)
21 Feb-15:14:52 Re: unidentified green crystal (Pete Modreski)
21 Feb-15:14:48 Re: celestine (Bob Harman)
21 Feb-15:09:46 Re: unidentified green crystal (Alfredo)
21 Feb-14:50:30 Celestine (Stefan Koch)
21 Feb-14:40:58 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
21 Feb-14:16:12 Re: unidentified green crystal (Mkomishyn)
21 Feb-13:56:56 Re: la morita mine (Peter Megaw)
21 Feb-13:50:54 La morita mine (John Betts)
21 Feb-10:24:10 Re: collection of firmo espinar (Firmo Espinar)
21 Feb-10:21:12 Re: tucson show 2020 (Bob Harman)
21 Feb-01:27:20 Re: the state of modern geology (Matt_zukowski)
21 Feb-00:20:32 Re: the state of modern geology (Peter Lemkin)
20 Feb-23:01:19 Re: building a great mineral collection? (Bob Morgan)
20 Feb-22:17:49 Re: don lum collection (Don Lum)
20 Feb-19:08:12 Re: the state of modern geology (Marvinlewinsky)
20 Feb-18:24:17 The mizunaka collection - quartz (Am Mizunaka)
20 Feb-17:33:19 Re: the state of modern geology (Peter Megaw)
20 Feb-15:31:42 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
20 Feb-11:21:43 Re: building a great mineral collection? (David Dinsmore)
20 Feb-09:09:06 Re: building a great mineral collection? (Peter Lemkin)
20 Feb-08:39:55 Re: building a great mineral collection? (Rob Schnerr)
20 Feb-07:47:33 Re: building a great mineral collection? (Tobi)

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  Topic: Stability of Azurite vs Malachite
Dehne

Replies: 23
Views: 4712

PostForum: Minerals and Mineralogy   Posted: Jun 07, 2019 17:23   Subject: Re: Stability of Azurite vs Malachite
I am mining a significant deposit of azurite that sits well above the water table in a kalonite lens and is affected by groundwater. Very little of the azurite has altered to malachite. Deep time evol ...
  Topic: Art Soregaroli's passing
Dehne

Replies: 8
Views: 6496

PostForum: In Memoriam   Posted: Oct 26, 2017 03:19   Subject: Re: Art Soregaroli's passing
Always treasured several specimens Art sold to me when Maureen and I stayed with them in Vancouver. He had a passion for playing ice hockey and played competition into his 60s. Hope he has found a n ...
  Topic: Tucson Show 2016
Dehne

Replies: 61
Views: 76135

PostForum: News about shows   Posted: Feb 19, 2016 13:40   Subject: Re: my 2016 Tucson Top Ten
Thanks for putting those 10 up. They are proof I miss too much by being tied to a trading room. I look forward to Tucson 2017 when I will have time to look and not have to rush around like a blue ta ...
  Topic: Tucson Show 2016
Dehne

Replies: 61
Views: 76135

PostForum: News about shows   Posted: Jan 12, 2016 06:57   Subject: Re: Tucson Show 2016
Busily designing and drafting this week for the blue exhibit of azurite suns at the TGMS. THE TGMS brochures were a sharp reminder of things needing doing.
  Topic: Tucson Show 2015
Dehne

Replies: 174
Views: 213267

PostForum: News about shows   Posted: Feb 21, 2015 21:29   Subject: Re: Tucson Show 2015
Thanks Jordi.
I like the idea of listing our 10 best or most appreciated.
Something for next year.....

I am told the blue year. This year, the META was a case filled with great specimens, filled ...
  Topic: Removing hematite from calcite
Dehne

Replies: 10
Views: 9514

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Feb 19, 2015 03:28   Subject: Re: Removing hematite from calcite
Good morning to all

If I am not wrong, IronOut is something acidic (Oxalic acid inside?). If so, not a good idea on calcite.

May you try the mixture of sodium citrate, bicarbonate and hydrosulph ...
  Topic: CROCOITE! A Huge New Pocket From The Adelaide Mine, Dundas, Tasmania, Australia
Dehne

Replies: 63
Views: 91781

PostForum: Exceptional finds   Posted: Apr 18, 2013 01:08   Subject: Re: CROCOITE! A Huge New Pocket From The Adelaide Mine, Dundas, Tasmania, Australia
Hi Everyone,

Work continues developing the exceptional crocoite crystal pocket at the Adelaide Mine in Dundas, Tasmania.

To help document this find, Bryan Swoboda of BlueCap Productions was cont ...
  Topic: Petroglyphs
Dehne

Replies: 5
Views: 11391

PostForum: Mineral Art and Artists   Posted: Apr 10, 2013 02:11   Subject: Re: Petroglyphs
Here's a cool site I found while trying to figure out what petroglyphs mean:

I mean, a lot of them could just be doodles but some have a reason I'm sure.

Anyway thanks for checkin' em out.

I ...
  Topic: Collection of Nurbo
Dehne

Replies: 404
Views: 492353

PostForum: Collection photos and Collector's page   Posted: Mar 27, 2013 16:15   Subject: Re: Collection of Nurbo
...On the subject of Azurite I got one of these Azurite discs from Malbunka, Im a bit confused as to why one side is ridged and the other isnt? If they are flattened nodules that formed between layer ...
 
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