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Newest topics and users posts
07 May-10:22:14 Re: collection of michael shaw - quartz ps. After barite (Michael Shaw)
07 May-09:39:53 Re: quartz twins (Bob Carnein)
07 May-08:22:46 Re: quartz twins (Pete Richards)
06 May-23:47:28 Re: collection of volkmar stingl (Volkmar Stingl)
06 May-15:58:27 Tricolour tourmaline from madagascar / mvm (minerals - virtual museum) collection (Jordi Fabre)
06 May-15:25:14 Re: carlos pareja photo collection (Carlos Pareja)
06 May-15:20:01 Re: carlos pareja photo collection (Carlos Pareja)
06 May-09:58:11 Re: the mim museum in beirut, lebanon (Mim Museum)
06 May-07:05:10 Re: martin danovski minerals collection (Danovskim)
05 May-22:27:21 Re: quartz twins (Bob Morgan)
05 May-16:13:09 The mizunaka collection - rhodochrosite (Am Mizunaka)
05 May-13:07:52 Elbaite (variety paraíba) from brazil / mvm (minerals - virtual museum) collection (Jordi Fabre)
05 May-12:41:15 Quartz twins (Bob Carnein)
05 May-08:26:19 Re: collection of michael shaw (Michael Shaw)
04 May-16:39:42 Brochantite from milpillas mine, mexico / mvm (minerals - virtual museum) collection (Jordi Fabre)
03 May-23:23:09 Re: collection of volkmar stingl (Volkmar Stingl)
03 May-17:21:53 Re: martin danovski minerals collection (Jordi Fabre)
03 May-11:16:02 Re: ghost dendrite (Riccardo Modanesi)
03 May-05:51:59 Re: ghost dendrite (James Catmur)
03 May-04:17:02 Re: ghost dendrite (Marco Campos-venuti)
03 May-01:35:42 Re: martin danovski minerals collection (Danovskim)
02 May-18:34:43 Re: ghost dendrite (Pete Richards)
02 May-18:22:43 Re: ghost dendrite (Bob Carnein)
02 May-17:55:30 Re: ghost dendrite (Matt_zukowski)
02 May-16:54:10 Re: the mizunaka collection - beryl (Am Mizunaka)

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  Topic: General Questions about Mineral Identfication
Twigg

Replies: 2
Views: 7318

PostForum: Minerals and Mineralogy   Posted: Jun 29, 2011 13:30   Subject: General Questions about Mineral Identfication
I'm not sure if this is the right place for this.

I have been trying to learn to identify minerals in self-collected rocks from my yard, but it's a lot more difficult than I thought. Just an aside, ...
  Topic: Introduction
Twigg

Replies: 5
Views: 9957

PostForum: Off-Topic and Introductions   Posted: Jun 23, 2011 11:18   Subject: Re: Introduction
Sorry I didn't respond. I just got back from a busy trip. Thanks all for the replies!

Lluis, if this makes my username less alienating at all, "Twigg" is a play on my real name. It's not ...
  Topic: Introduction
Twigg

Replies: 5
Views: 9957

PostForum: Off-Topic and Introductions   Posted: Jun 11, 2011 12:17   Subject: Introduction
I'm an avid chemistry student who first got interested in mineralogy after learning that sulfuric acid could be produced from pyrite just like it is in acid mine drainage. I immediately went out to fi ...
  Topic: Surface area to volume ratio of a muscovite crystal?
Twigg

Replies: 4
Views: 11760

PostForum: Minerals and Mineralogy   Posted: Jun 08, 2011 20:44   Subject: Re: Surface area to volume ratio of a muscovite crystal?
Both great suggestions! The rtvanderbilt data is just what I needed. I will never think of paint in the same way again. Thanks all.
  Topic: Surface area to volume ratio of a muscovite crystal?
Twigg

Replies: 4
Views: 11760

PostForum: Minerals and Mineralogy   Posted: Jun 08, 2011 17:55   Subject: Surface area to volume ratio of a muscovite crystal?
Is there a rough approximation for the surface area to volume ration of any muscovite crystal? I'm planning on dissolving one and that ratio would help me quite a bit.
 
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