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30 Jul-14:58:22 Re: melanophlogite? (Luiz Oliveira)
30 Jul-14:51:23 Re: about a rutile epitaxy on hematite in quartz (Roger Warin)
30 Jul-03:36:43 The mizunaka collection - quartz (Am Mizunaka)
29 Jul-22:49:31 Re: collection of volkmar stingl (Volkmar Stingl)
29 Jul-21:35:18 Re: about a rutile epitaxy on hematite in quartz (Alfredo)
29 Jul-14:10:03 Re: collection of michael shaw (Michael Shaw)
28 Jul-21:29:06 Re: about a rutile epitaxy on hematite in quartz (Roger Warin)
28 Jul-21:24:20 Re: unknown quartz? (Steveb)
28 Jul-21:23:26 About a rutile epitaxy on hematite in quartz (Roger Warin)
28 Jul-15:43:19 Unknown quartz? (R Saunders)
28 Jul-13:15:33 Re: collection of volkmar stingl (Volkmar Stingl)
27 Jul-22:43:51 Re: collection of volkmar stingl (Volkmar Stingl)
27 Jul-13:17:17 Re: celestite geode in dolomite block? or what, halite? (Don Lapham)
26 Jul-15:38:37 Re: collection of firmo espinar (Firmo Espinar)
26 Jul-13:21:53 Re: collection of volkmar stingl (Volkmar Stingl)
25 Jul-16:30:28 Re: a mineralogical trip through italy by sante celiberti (Sante Celiberti)
25 Jul-11:09:26 Re: collection of volkmar stingl (Volkmar Stingl)
25 Jul-10:49:33 Re: celestite geode in dolomite block? or what, halite? (Corneldumitru)
25 Jul-08:13:07 Re: celestite geode in dolomite block? or what, halite? (Bob Morgan)
25 Jul-02:46:09 Re: celestite geode in dolomite block? or what, halite? (James Catmur)
24 Jul-14:52:13 Re: black, metallic, yellow oxide? (Linus)
24 Jul-14:41:03 Re: collection of michael shaw (Michael Shaw)
24 Jul-13:47:19 Celestite geode in dolomite block? or what, halite? (Corneldumitru)
24 Jul-12:18:05 Re: black, metallic, yellow oxide? (Johan Kjellman)
24 Jul-10:26:19 Re: collection of volkmar stingl (Volkmar Stingl)

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Fósseis
  
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Luiz Oliveira




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PostPosted: May 16, 2021 18:14    Post subject: Fósseis  

Fósseis celulares


Screenshot_2021-05-14-23-14-56-917_com.android.chrome.jpg
 Mineral: Fosseis celulares
 Dimensions: 1,5cm
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James Catmur
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PostPosted: May 17, 2021 00:27    Post subject: Re: Fósseis  

This forum is for minerals, not fossils. So we cannot help (even though some of us speak Portuguese)
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Luiz Oliveira




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PostPosted: May 17, 2021 04:14    Post subject: Re: Fósseis  

James Catmur wrote:
This forum is for minerals, not fossils. So we cannot help (even though some of us speak Portuguese)

Ok, James! Mas Dana classifica a Melanoflogita como um mineral! Eu gostaria de saber se você pode me indicar uma literatura de pesquisa mais complexa do que a da internet falando sobre Melanoflogita com fósseis!
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Peter Lemkin




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PostPosted: May 17, 2021 04:37    Post subject: Re: Fósseis  

Yes, A mineral, fairly rare, incredibly complex crystal lattice structure [clathrate]. Bon dia Luiz, but English is the language on this forum. There is a Spanish part of this forum http://www.foro-minerales.com/forum also. I also can understand a little Portugese, but only a few here likely do, and best to translate for all before posting. No mention of that mineral from Brazil, although the photo you posted didn't say where it was from and not much one can say about that photo with some text.

I also note you have posted about this mineral before here https://www.mineral-forum.com/message-board/viewtopic.php?t=6422
and the 'head of this forum' Jordi asked you there to translate from Portugese into English when posting.

https://www.mindat.org/gallery.php?min=2630
https://www.mindat.org/min-2630.html
[three pdf technical articles on the mineral near bottom of page] plus a list of many other references.

Dunning, G.E., Cooper, J.F. Jr. (2002) Pseudomorphic Melanophlogites from California. Mineralogical Record: 33: 237-242.
Adorni, F., Tadeo, F., Adorni, B. (2004) La melanoflogite di Case Montanini. Rivista Mineralogica Italiana: 3: 126-136.
Nakagawa, T., Kihara, K., Fujinami, S. (2005) X-ray studies of structural changes in melanophlogite with varying temperature. Journal of Mineralogical and Petrological Sciences: 100: 247-259.
Adorni, F., Tateo, F. (2007) A new melanophlogite occurence from The Case Montanini Quarry, Parma, Northern Appennines, Italy. Axis: 3: 1-12.
Tribaudino, M., Artoni, A., Mavris, Ch., Bersani, D., Lottici, P.P., Belletti, D. (2008) Single-crystal X-ray and Raman investigation on melanophlogite from Varano Marchesi (Parma, Italy). American Mineralogist: 93: 88-94.
Beard, A.D., Howard, K., Carmody, L., Jones, A.P. (2013) The origin of melanophlogite, a clathrate mineral, in natrocarbonatite lava at Oldoinyo Lengai, Tanzania. American Mineralogist: 98: 1998-2006 .
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James Catmur
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PostPosted: May 17, 2021 05:10    Post subject: Re: Fósseis  

Luiz

See Peter's reply for a good answer.

Por favor - el foro esta em ingles

Luiz Oliveira wrote:
James Catmur wrote:
This forum is for minerals, not fossils. So we cannot help (even though some of us speak Portuguese)

Ok, James! Mas Dana classifica a Melanoflogita como um mineral! Eu gostaria de saber se você pode me indicar uma literatura de pesquisa mais complexa do que a da internet falando sobre Melanoflogita com fósseis!
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