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24 Feb-09:30:59 Re: collection of michael shaw - clara mine (Michael Shaw)
23 Feb-14:45:25 Re: don lum collection (Don Lum)
23 Feb-07:33:22 Re: collection of volkmar stingl (Volkmar Stingl)
23 Feb-07:04:32 Re: collection of volkmar stingl (Carles Millan)
23 Feb-05:35:09 Re: collection of enrique llorens (Enrique Llorens)
23 Feb-05:23:35 Re: collection of volkmar stingl (Volkmar Stingl)
22 Feb-04:48:15 The mizunaka collection - quartz (Am Mizunaka)
22 Feb-00:28:51 Re: don lum collection (Don Lum)
21 Feb-10:24:36 Re: the mim museum in beirut, lebanon (Mim Museum)
21 Feb-09:21:50 Re: collection of michael shaw (Michael Shaw)
20 Feb-20:24:24 The mizunaka collection - fluorite (Am Mizunaka)
20 Feb-07:10:57 Collection of carles millan: calcite from elmwood (Carles Millan)
19 Feb-23:17:24 Re: collection of volkmar stingl (Volkmar Stingl)
19 Feb-23:12:03 Re: don lum collection (Don Lum)
19 Feb-08:04:24 Re: collection of michael shaw (Michael Shaw)
19 Feb-01:36:00 The mizunaka collection - quartz (Am Mizunaka)
19 Feb-00:07:09 Re: collection of volkmar stingl (Volkmar Stingl)
18 Feb-14:54:23 Re: don lum collection (Don Lum)
18 Feb-07:40:01 Re: collection of enrique llorens (Enrique Llorens)
18 Feb-07:37:31 Re: fluorite locality (Jordi Fabre)
18 Feb-04:24:51 Re: tucson 2024 - it's started! (Fiebre Verde)
17 Feb-22:18:27 Re: the mizunaka collection - gold (Am Mizunaka)
17 Feb-17:36:33 Re: tucson 2024 - it's started! (Bergur_e_sigurdarson)
17 Feb-16:00:58 Re: collection of enrique llorens (Carles Millan)
17 Feb-15:31:02 Re: collection of enrique llorens (Enrique Llorens)

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  Topic: Contribution Dr. Menor-Salván - Life and Minerals: the Machów mine (Poland) - (45)
Roger Warin

Replies: 3
Views: 629

PostForum: Featured Columns of FMF   Posted: Jan 16, 2024 17:33   Subject: Re: Contribution Dr. Menor-Salván - Life and Minerals: the Machów mine (Poland) - (45)
Bravo for opening a window on the unknown of the origin of life.
But the bacteria is already a living being.
Like us, it is made of atoms.
The great Architect was (and remains) infinitely brilliant ...
  Topic: Iron cross twinned Pyrites from Gachalá or from Ubalá?
Roger Warin

Replies: 10
Views: 3336

PostForum: What is it? - Where is it from?   Posted: Jan 01, 2024 08:25   Subject: Re: Iron cross twinned Pyrites from Gachalá or from Ubalá?
Thank you Jordi for these details.
I modified the “Gachala” label of the specimen purchased in 2019, next to your stand.
Obviously this twin is a solitary aggregate. But I think (without being certa ...
  Topic: Best wishes / 2023-2024!
Roger Warin

Replies: 16
Views: 6112

PostForum: Comments & Suggestions   Posted: Dec 10, 2023 18:22   Subject: Best wishes / 2023-2024!
Best wishes for 2024 !
  Topic: Nifontovite
Roger Warin

Replies: 8
Views: 2975

PostForum: Minerals and Mineralogy   Posted: Dec 10, 2023 18:05   Subject: Re: Nifontovite
Thank you, Peter, for these details.
Nifontovite interests me because for me it represents the unusual victory of boron over silicon. It is an anomaly that I can characterize as Dantesque for a miner ...
  Topic: Nifontovite
Roger Warin

Replies: 8
Views: 2975

PostForum: Minerals and Mineralogy   Posted: Dec 09, 2023 15:30   Subject: Re: Nifontovite
Hello Peter,
I am happy to benefit from your experience. You already helped me with a colemanite.
Can I ask a question?
The deposit has dimensions of between 500 and 1000 m?

My specimen was purc ...
  Topic: Nifontovite
Roger Warin

Replies: 8
Views: 2975

PostForum: Minerals and Mineralogy   Posted: Dec 09, 2023 15:07   Subject: Re: Nifontovite
Hello Bob,
I think you are absolutely right. It must be a twin. Pete, help us.
My age, almost 90, gives me immense joy: we are no longer afraid of proposing “crazy” hypotheses when they seem very re ...
  Topic: Nifontovite
Roger Warin

Replies: 8
Views: 2975

PostForum: Minerals and Mineralogy   Posted: Dec 09, 2023 09:11   Subject: Nifontovite
Hello,
This is an unusual mineral for the simple reason that it is only composed of boron without silicon.
A window opened in my border freeing my imagination...
It is nifontovite, an oxoborate (no ...
  Topic: Fluorite Star
Roger Warin

Replies: 3
Views: 2275

PostForum: Minerals and Mineralogy   Posted: Nov 28, 2023 09:37   Subject: Fluorite Star
Fluorite – Mercedes-Benz Star

Good tools allowed me to take a good photo of this Mercedes star included in a fluorite crystal from Seilles (Huy-Belgium).
The crystals of fluorite are sometimes lar ...
  Topic: Fluorite crystallography?
Roger Warin

Replies: 27
Views: 7773

PostForum: Minerals and Mineralogy   Posted: Nov 27, 2023 10:18   Subject: Re: Fluorite crystallography?
Dowty Eric, Richards Peter R. - Mode d’emploi
Shape - A computer program for drawing crystals -
Macintosh version 4.0 (1991-1993)
  Topic: Fluorite crystallography?
Roger Warin

Replies: 27
Views: 7773

PostForum: Minerals and Mineralogy   Posted: Nov 27, 2023 10:12   Subject: Re: Fluorite crystallography?
sorry
Rhombododecahedron as copper.
  Topic: Fluorite crystallography?
Roger Warin

Replies: 27
Views: 7773

PostForum: Minerals and Mineralogy   Posted: Nov 27, 2023 10:05   Subject: Re: Fluorite crystallography?
cuboctahedron
Cheers Tobi.
  Topic: Munich Show (Mineralientage) 2023
Roger Warin

Replies: 16
Views: 10213

PostForum: News about Shows   Posted: Nov 26, 2023 05:29   Subject: Re: Munich Show (Mineralientage) 2023
Hello Jordi, and all,
Silver always captivates the public.
Why? Because this element is rarely isolated to this extent in rocks or because it requires a lot of money to acquire it (this is in fact a ...
  Topic: Dissolution enables dolomite crystal growth near ambient conditions
Roger Warin

Replies: 9
Views: 3506

PostForum: Mineralogical Literature   Posted: Nov 24, 2023 16:37   Subject: Re: Dissolution enables dolomite crystal growth near ambient conditions
The Marche-les-Dames dolomite deposit is one of the purest in the world. However, the composition of the rock is not homogeneous.
  Topic: Dissolution enables dolomite crystal growth near ambient conditions
Roger Warin

Replies: 9
Views: 3506

PostForum: Mineralogical Literature   Posted: Nov 24, 2023 08:03   Subject: Re: Dissolution enables dolomite crystal growth near ambient conditions
This reminds me of the opposite sequence in an Oregon lake!
  Topic: Curating your collection
Roger Warin

Replies: 11
Views: 5472

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Nov 18, 2023 10:43   Subject: Re: Curating your collection
I don't worry about the future of my collection, I will donate it to a museum. This will be my grave!
It is difficult to accept that the repurchase is done at 10% of the value, only for the best piec ...
  Topic: Munich Show (Mineralientage) 2023
Roger Warin

Replies: 16
Views: 10213

PostForum: News about Shows   Posted: Nov 06, 2023 10:04   Subject: Re: Munich Show (Mineralientage) 2023
Hello,
I visited the Mineralientage every year since 1977, then in the City center, more festive, until 2008 (I was that young !). In total around forty visits.
In my memory, Munich 2019 was colossa ...
  Topic: Munich Show (Mineralientage) 2023
Roger Warin

Replies: 16
Views: 10213

PostForum: News about Shows   Posted: Nov 03, 2023 14:13   Subject: Re: Munich Show (Mineralientage) 2023
Hello,
I took hundreds of photos in Munich. This prevented me from buying these inaccessible treasures but so beautiful.
Here is a mineral that I didn't know existed and whose name I have difficulty ...
  Topic: Munich Show (Mineralientage) 2023
Roger Warin

Replies: 16
Views: 10213

PostForum: News about Shows   Posted: Nov 01, 2023 22:43   Subject: Re: Munich Show (Mineralientage) 2023
Hello,
I visited the 2023 Munich Show.
I had the extraordinary opportunity to purchase a legendary specimen, a twinned rhodochrosite according to (0001). The profile photo was not easy to make.
It ...
  Topic: Poudrette Quarry: Carletonite
Roger Warin

Replies: 7
Views: 12176

PostForum: Mines and Mineral Localities   Posted: Oct 16, 2023 11:59   Subject: Re: Poudrette Quarry: Carletonite
A little perfection in this quite rare assembly:
Serandite, twin on (110).
The 2 twins of serandite have been wonderfully described by Peter Richards.
R.Peter Richards, “Twin laws for serandite fro ...
  Topic: Pele's Hair and Tears
Roger Warin

Replies: 5
Views: 5312

PostForum: Minerals and Mineralogy   Posted: Sep 26, 2023 08:27   Subject: Pele's Hair and Tears
Hello,
Let me introduce you to something other than thin sections, thin tubes!
But I need you, because Chatjpt does not know how to answer my questions: for example, it ignores the existence of the ...
 
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