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20 Jun-16:34:49 Azurite on volborthite from milpillas mine / mvm (minerals - virtual museum) collection (Jordi Fabre)
20 Jun-16:17:21 The mizunaka collection - kermesite (Am Mizunaka)
20 Jun-02:26:07 Re: collection from dany mabillard (Dany Mabillard)
20 Jun-00:17:49 Re: collection of volkmar stingl (Volkmar Stingl)
19 Jun-15:06:31 Re: a mineralogical trip through the states of usa - alaska (Michael Shaw)
19 Jun-08:46:56 Collection of carles millan: alabandite from peru (Carles Millan)
18 Jun-17:10:16 Shigaite crystals from n'chwaning i mine / mvm (minerals - virtual museum) collection (Jordi Fabre)
18 Jun-16:52:19 The mizunaka collection - quartz (Am Mizunaka)
18 Jun-11:08:24 Re: collection of michael shaw - hydroboracite (Michael Shaw)
18 Jun-07:41:20 Re: the mim museum in beirut, lebanon (Mim Museum)
16 Jun-17:03:28 Goethite from la quille du roy, france / mvm (minerals - virtual museum) collection (Jordi Fabre)
16 Jun-16:25:26 The mizunaka collection - adularia (Am Mizunaka)
16 Jun-13:22:51 Re: collection of michael shaw (Michael Shaw)
16 Jun-09:23:52 Re: pyromorphite showcase (James Catmur)
16 Jun-09:11:33 Re: pyromorphite showcase (James Catmur)
16 Jun-05:53:06 Re: pyromorphite showcase (Forrestblyth)
16 Jun-05:11:25 Re: pyromorphite showcase (Forrestblyth)
16 Jun-04:28:09 Re: pyromorphite showcase (James Catmur)
15 Jun-14:09:31 Pyromorphite showcase (Forrestblyth)
14 Jun-23:48:04 Re: collection of volkmar stingl (Volkmar Stingl)
14 Jun-16:19:45 Vivianite on matrix from bolivia / mvm (minerals - virtual museum) collection (Jordi Fabre)
14 Jun-16:13:52 Re: don lum collection (Don Lum)
14 Jun-16:06:28 The mizunaka collection - rhodochrosite (Am Mizunaka)
14 Jun-07:16:13 Re: new generation for picture - ploum (Ploum)
12 Jun-10:27:55 Re: collection of volkmar stingl (Volkmar Stingl)

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  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 12, 2012 11:33   Subject: Re: Seeking perlite expertise
I'm sorry Tracy but I could not PM because I am still in my trial period.
  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 12, 2012 09:17   Subject: Re: Seeking perlite expertise
Thank you for your detailed reply Joseph and thank you Vic for your advise.

What if I expand the pumice and then crush it to make bricks? or make bricks of the pumice in its whole form.
Does pumic ...
  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 08, 2012 08:15   Subject: Re: Seeking perlite expertise
Thanks for your suggestion Riccardo.
The water test: The larger ones (3/8 mm) all sank except for 1 that floated for about 30 secs and with the smaller ones (1mm) about 15-20 % stayed floating.
Is i ...
  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 07, 2012 23:07   Subject: Re: Seeking perlite expertise
Thank you Pvpind.
I would like to ask you some more questions but this does not seem the right place to discuss. Could you please contact me via email or send a pm?
  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 07, 2012 14:01   Subject: Re: Seeking perlite expertise
@pvpind I have been trying to send you an pm (personal message) but I am not allowed to for the first ten days.
I actually have both these sites in my favourites but I cant find any specifications on ...
  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 07, 2012 13:50   Subject: Re: Seeking perlite expertise
Thank you very much for the info Pete Modreski and Pvpind. This is such an great community!
Here are some pictures of the perlite or pumice, let me know what you think it is. Would be much appreciate ...
  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 07, 2012 04:24   Subject: Re: What defines a mineral's 'quality?' - (13)
Dear mineral forumers,

As you can see I am still quite new here and trying to do some research on this wonderfull rock called perlite.
The reason I am such an fan of this rock is because its anorg ...
  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 07, 2012 02:40   Subject: Re: Seeking perlite expertise
Well I understand its hard to compete with China and that is the reason I am looking for a way to process the Perlite to add value without investing too much capital.
Its quite difficult to find som ...
  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 06, 2012 10:28   Subject: Re: Seeking perlite expertise
Thanks for the replies. I am not interested in the actual price but I am trying to understand what determines the price except for the size. If that is a problem on this forum I am sorry and will not ...
  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 06, 2012 08:58   Subject: Re: Seeking perlite expertise
Thank you for your reply Riccardo.
I have a understanding about what the rock is but I am trying to find out what determines the quality/price and I am trying to get in touch with someone who can exp ...
  Topic: Seeking perlite expertise
Peter V.

Replies: 23
Views: 43870

PostForum: Minerals and Mineralogy   Posted: May 06, 2012 02:54   Subject: Seeking perlite expertise
Dear mineral forumers,

I am a young business man interested in green business, I have recently found my new love called perlite. My love for this mineral is based on the fact that its anorganic.
I ...
 
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