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10 Aug-13:36:06 Re: new administrator - peter farquhar (Don Lum)
10 Aug-13:29:28 Re: collection of michael shaw (Michael Shaw)
10 Aug-13:06:56 Re: new administrator - peter farquhar (Michael Shaw)
10 Aug-12:58:24 New administrator - peter farquhar (Peter Farquhar)
10 Aug-12:08:59 Re: calcite ? (Dany Mabillard)
10 Aug-12:03:25 Re: collection from dany mabillard (Dany Mabillard)
10 Aug-11:15:56 Re: don lum collection (Don Lum)
10 Aug-08:11:33 Re: popular minerals - twinned quartz (japan law twin) from colombia (Tobi)
10 Aug-08:06:36 Re: collection from dany mabillard (Tobi)
10 Aug-08:02:04 Re: don lum collection (Tobi)
10 Aug-01:45:42 Re: about cyclic twinning - (5) (James Catmur)
10 Aug-00:30:55 Re: calcite ? (Steveb)
09 Aug-23:07:54 Re: about cyclic twinning - (5) (Don Lum)
09 Aug-22:29:05 Re: about cyclic twinning - (5) (Kevin Conroy)
09 Aug-15:30:13 Re: about cyclic twinning - (5) (Don Lum)
09 Aug-14:38:08 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
09 Aug-14:28:35 Re: about cyclic twinning - (5) (Kevin Conroy)
09 Aug-12:02:30 Re: about cyclic twinning - (5) (Bob Morgan)
09 Aug-11:36:21 Re: calcite ? (Michael Shaw)
09 Aug-11:27:41 Re: calcite ? (Vic Rzonca)
09 Aug-11:10:11 Re: help needed for chinese locations (Dany Mabillard)
09 Aug-09:47:12 Re: help needed for chinese locations (Volkmar Stingl)
09 Aug-09:33:00 Calcite ? (Dany Mabillard)
09 Aug-07:45:29 Re: help needed for chinese locations (Dany Mabillard)
08 Aug-23:25:53 Re: don lum collection (Don Lum)

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  Topic: vivianite and light
Deborah Deitsch-Perez

Replies: 8
Views: 9517

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Dec 27, 2019 16:39   Subject: Re: vivianite and light
Thanks, great article!
  Topic: vivianite and light
Deborah Deitsch-Perez

Replies: 8
Views: 9517

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Dec 26, 2019 15:18   Subject: vivianite and light
We bought the vivianite shown in figure 18. Thinking of including it in the MAD case at Tucson. Is that a bad idea? I have seen some articles about vivianite reacting to light. It has been kept in ...
  Topic: Preserving Realgar - Is it possible?
Deborah Deitsch-Perez

Replies: 16
Views: 14702

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Oct 29, 2014 09:33   Subject: Re: Preserving Realgar - Is it possible?
...At one big mineral museum (sorry, I've forgotten which one), they had the cases of light-sensitive proustite, realgar, etc., covered with a hinged wooden board, that was a bit uncomfortable to hold ...
 
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