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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: How to clean golden calcite
jtozier

Replies: 16
Views: 35873

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Mar 14, 2017 15:01   Subject: Re: How to clean golden calcite
Alright, well all this certainly makes things easier on my end. So the general method would be a long soak in water with laundry detergent, then a a gentle cleaning?
  Topic: How to clean golden calcite
jtozier

Replies: 16
Views: 35873

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Mar 11, 2017 11:35   Subject: Re: How to clean golden calcite
Just joined! The 110 Golden Calcite from the museum is awesome, I have seen one piece that large at my spot. I have no idea how anyone could manage getting that back to a vehicle without destroying it ...
  Topic: How to clean golden calcite
jtozier

Replies: 16
Views: 35873

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Mar 10, 2017 22:26   Subject: Re: How to clean golden calcite
Thanks! 0229 is the other side of 0227, so it is nice all around and it sits very flat.
  Topic: How to clean golden calcite
jtozier

Replies: 16
Views: 35873

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Mar 10, 2017 20:35   Subject: Re: How to clean golden calcite
Thanks, I appreciate all the help, this is a nice active forum you have here.
  Topic: How to clean golden calcite
jtozier

Replies: 16
Views: 35873

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Mar 10, 2017 18:39   Subject: Re: How to clean golden calcite
If a specimen has a haze to it, would it be ok to use a quick acid dip to remove that?
  Topic: How to clean golden calcite
jtozier

Replies: 16
Views: 35873

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Mar 10, 2017 18:37   Subject: Re: How to clean golden calcite
Thanks, you know what my problem must have been not soaking prior to using the spot gun.

This one piece here is my favorite. However I feel like it is hardly held together. If you pick it up there ...
  Topic: How to clean golden calcite
jtozier

Replies: 16
Views: 35873

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Mar 10, 2017 18:16   Subject: Re: How to clean golden calcite
The funny thing is I own a screen printing shop and yes I have used the spot gun. It really did not clean the minerals off the calcite.
  Topic: How to clean golden calcite
jtozier

Replies: 16
Views: 35873

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Mar 10, 2017 18:01   Subject: How to clean golden calcite
Hello all!

I am new hear and looking for some info specific to the type of crystals I will be working with.

Golden Calcite from Montana.

So far I have tried a vinegar bath and scrubbing with ...
 
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