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29 Apr-22:26:22 Re: collection of volkmar stingl (Volkmar Stingl)
29 Apr-17:56:49 The mizunaka collection - agate (Am Mizunaka)
29 Apr-16:45:46 Rutile from boiling springs, usa / mvm (minerals - virtual museum) collection (Jordi Fabre)
29 Apr-11:50:01 Re: libyan desert glass structure (Craig Hagstrom)
29 Apr-08:23:04 Re: collection of michael shaw (Michael Shaw)
28 Apr-13:43:16 Re: the mim museum in beirut, lebanon (Philippe Durand)
28 Apr-13:41:44 Re: munich show (mineralientage) 2023 (Philippe Durand)
27 Apr-15:08:36 Re: collection of joseph d'oliveira (Joseph Doliveira)
27 Apr-09:22:16 Re: the mim museum in beirut, lebanon (Mim Museum)
26 Apr-22:30:18 Re: collection of volkmar stingl (Volkmar Stingl)
26 Apr-17:32:07 Topaz on albite from pakistan / mvm (minerals - virtual museum) collection (Jordi Fabre)
26 Apr-17:12:33 Re: collection of joseph d'oliveira (Joseph Doliveira)
26 Apr-15:06:49 The mizunaka collection - adularia (Am Mizunaka)
26 Apr-09:23:05 Re: collection of michael shaw (Michael Shaw)
25 Apr-16:30:00 Smithsonite (cu-bearing) from tsumeb / mvm (minerals - virtual museum) collection (Jordi Fabre)
25 Apr-10:42:35 Re: collection of joseph d'oliveira (Joseph Doliveira)
24 Apr-15:16:46 Re: if anybody knows this gemstone, please tell me (Riccardo Modanesi)
24 Apr-12:18:57 Re: collection of enrique llorens (Enrique Llorens)
24 Apr-10:59:20 Re: if anybody knows this gemstone, please tell me (Gemstonebank)
23 Apr-22:50:59 Re: collection of volkmar stingl (Volkmar Stingl)
23 Apr-16:34:26 Pyromorphite from el horcajo mines, spain / mvm (minerals - virtual museum) collection (Jordi Fabre)
23 Apr-14:49:53 The mizunaka collection - quartz (Am Mizunaka)
23 Apr-14:05:56 Re: collection of michael shaw (Michael Shaw)
23 Apr-01:56:02 The mizunaka collection - rhodochrosite (Am Mizunaka)
22 Apr-15:21:46 Re: arsenopyrite, löllingite, and large baryte xx - but location help needed (Jordi Fabre)

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  Topic: Calcite crystal habit
Jaime_Cerdeira

Replies: 3
Views: 1201

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 23, 2025 16:14   Subject: Re: Calcite crystal habit
Hi Pete,

Thanks a lot!
  Topic: Calcite crystal habit
Jaime_Cerdeira

Replies: 3
Views: 1201

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 23, 2025 14:20   Subject: Calcite crystal habit
Dear all,

Can you please help me to identify these crystal habits?

Many thanks!
  Topic: Crystal habit identification
Jaime_Cerdeira

Replies: 6
Views: 2092

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 10, 2025 17:25   Subject: Re: Crystal habit identification
Hi,

Thanks again!

But this time I was asking for the calcite that as been covered in iron oxides (orange).

In this location, there is a lot of different crystal habits.

Best regards.
  Topic: Crystal habit identification
Jaime_Cerdeira

Replies: 6
Views: 2092

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 10, 2025 06:25   Subject: Re: Crystal habit identification
This one seems to be lamellar?
  Topic: Crystal habit identification
Jaime_Cerdeira

Replies: 6
Views: 2092

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 10, 2025 06:12   Subject: Re: Crystal habit identification
Dear Roger, thank you so much for the reply!

I leave here more examples that I collected there!

The crystal habit appears to be botryoidal with some linear formation

Best regards.
  Topic: Crystal habit identification
Jaime_Cerdeira

Replies: 6
Views: 2092

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 09, 2025 21:37   Subject: Crystal habit identification
Dear all,

This is my first post here, and I'm very excited to be part of this community!

I recently discovered an ancient volcano in Lisbon that has been converted to a quarry and is now abandon ...
 
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