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23 Jun-02:55:37 Re: the mizunaka collection - quartz (Am Mizunaka)
22 Jun-23:18:14 Re: favourite quartzes? (Eck Noch)
22 Jun-16:03:24 Re: a mineralogical trip through italy by sante celiberti (Sante Celiberti)
22 Jun-09:54:22 Re: the mizunaka collection - quartz (Eck Noch)
22 Jun-06:10:26 Re: un-registering from this website (Jordi Fabre)
22 Jun-05:58:21 Un-registering from this website (Peter@vanpeborgh.Eu)
22 Jun-02:58:37 Re: the mizunaka collection - quartz (Tobi)
22 Jun-02:52:08 Re: favourite barytes? (Tobi)
21 Jun-14:26:22 Re: a mineralogical trip through italy by sante celiberti (Sante Celiberti)
20 Jun-15:26:42 Re: a mineralogical trip through italy by sante celiberti (Sante Celiberti)
20 Jun-15:18:37 Re: favourite barytes? (Bob Harman)
20 Jun-14:06:36 Re: virtual shows: what's the concept? (Cascaillou)
19 Jun-15:10:35 Re: a mineralogical trip through italy by sante celiberti (Sante Celiberti)
19 Jun-12:45:26 Re: collection of volkmar stingl (Volkmar Stingl)
18 Jun-13:54:07 Re: virtual shows: what's the concept? (Bob Harman)
18 Jun-12:05:04 Re: virtual shows: what's the concept? (James Catmur)
18 Jun-10:14:30 Re: where can i find some bio on gilbert gauthier? (Roger Warin)
18 Jun-08:55:35 Virtual shows: what's the concept? (Cascaillou)
18 Jun-06:55:44 Re: mineral spirituality? (Cascaillou)
17 Jun-22:41:26 Re: collection of volkmar stingl (Volkmar Stingl)
17 Jun-22:09:17 Re: don lum collection (Volkmar Stingl)
17 Jun-17:03:23 Re: don lum collection (Don Lum)
17 Jun-16:11:13 Re: the mizunaka collection - quartz (Am Mizunaka)
17 Jun-15:57:24 Re: where can i find some bio on gilbert gauthier? (Pub1tzu)
17 Jun-15:44:54 Re: a mineralogical trip through italy by sante celiberti (Sante Celiberti)

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  Topic: Fósseis
Luiz Oliveira

Replies: 4
Views: 549

PostForum: Off-Topic and Introductions   Posted: May 17, 2021 04:14   Subject: Re: Fósseis
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 ...
  Topic: Fósseis
Luiz Oliveira

Replies: 4
Views: 549

PostForum: Off-Topic and Introductions   Posted: May 16, 2021 18:14   Subject: Fósseis
Fósseis celulares
  Topic: Melanophlogite?
Luiz Oliveira

Replies: 10
Views: 1706

PostForum: What is it? - Where is it from?   Posted: Apr 09, 2021 10:26   Subject: Re: Melanophlogite?
Tenho outras amostras! Mas o que me chama muito a atenção, é quando após lapidar no disco de corte as pedras ficam escuras no polimento! Li que a Melanoflogita fica preta quando aquecida! E essa crist ...
  Topic: Melanophlogite?
Luiz Oliveira

Replies: 10
Views: 1706

PostForum: What is it? - Where is it from?   Posted: Apr 07, 2021 13:55   Subject: Re: Melanophlogite?
My hypothesis is that it’s a beta cristobalite who’s been metamorphosed into Melanoflogite!


A minha hipótese é que seja uma cristobalita beta que sofreu metamorfose para Melanoflogita!
  Topic: Melanophlogite?
Luiz Oliveira

Replies: 10
Views: 1706

PostForum: What is it? - Where is it from?   Posted: Apr 07, 2021 13:50   Subject: Re: Melanophlogite?
Estou mandando uma foto melhor!
  Topic: Melanophlogite?
Luiz Oliveira

Replies: 10
Views: 1706

PostForum: What is it? - Where is it from?   Posted: Apr 07, 2021 13:20   Subject: Re: Melanophlogite?
Boa tarde! Eu tentei usar o google tradutor, porém a tradução não foi fidedigna ao meu texto original! Espero a compreensão de todos! Mas além de me indicarem um laboratório, alguém mais pode dar sua ...
  Topic: Melanophlogite?
Luiz Oliveira

Replies: 10
Views: 1706

PostForum: What is it? - Where is it from?   Posted: Apr 06, 2021 17:24   Subject: Re: Melanophlogite?
Eu já havia pesquisado no mindad! Porém não consegui boa elucidação! Acredito que a dificuldade está no tamanho dos cristais que são pequenos para fazer cálculo de gravidade específica!
  Topic: Melanophlogite?
Luiz Oliveira

Replies: 10
Views: 1706

PostForum: What is it? - Where is it from?   Posted: Apr 06, 2021 14:38   Subject: Melanophlogite?
Gostaria de informações sobre a Melanoflogita! Tenho umas amostras que parecem ser opala, cristobalita, Melanoflogita, calcedônia, cordierita! Isto, porque são rochas(bombas vulcânicas)! Quando cálcul ...
 
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