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22 May-23:56:12 Re: provide miller indices in practice please (Roger Warin)
22 May-21:22:16 Re: collection of volkmar stingl (Volkmar Stingl)
22 May-14:54:58 Re: don lum collection (Don Lum)
22 May-11:58:28 Re: the mim museum in beirut, lebanon (Firmo Espinar)
22 May-10:21:09 Re: provide miller indices in practice please (Bob Carnein)
22 May-09:33:28 Re: the mim museum in beirut, lebanon (Mim Museum)
22 May-07:59:45 Re: provide miller indices in practice please (Bob Morgan)
22 May-04:17:03 Re: provide miller indices in practice please (James Catmur)
22 May-02:23:18 The mizunaka collection - ludlamite (Am Mizunaka)
21 May-17:26:32 Re: provide miller indices in practice please (Josele)
21 May-16:01:12 Provide miller indices in practice please (Robson Vieira)
21 May-12:49:16 Re: collection of michael shaw (Michael Shaw)
20 May-22:03:46 Re: collection of volkmar stingl (Volkmar Stingl)
20 May-20:45:03 Re: don lum collection (Don Lum)
20 May-19:11:50 The mizunaka collection - stalactite (Am Mizunaka)
20 May-15:43:58 Re: mineral identification tips (Robson Vieira)
20 May-15:37:59 Re: mineral identification tips (Robson Vieira)
20 May-15:32:02 Re: mineral identification tips (Robson Vieira)
20 May-15:24:04 Re: mineral identification tips (Robson Vieira)
19 May-14:28:05 Re: european mineral and mining museums (Robert Seitz)
19 May-13:04:59 Re: collection of volkmar stingl (Volkmar Stingl)
19 May-12:31:54 Re: don lum collection (Don Lum)
19 May-08:49:12 Re: collection of michael shaw (Michael Shaw)
19 May-08:08:17 Re: collection of joseph d'oliveira (Joseph Doliveira)
19 May-02:34:57 The mizunaka collection - quartz (Am Mizunaka)

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  Topic: How to clean golden calcite
jtozier

Replies: 16
Views: 30400

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: 30400

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: 30400

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: 30400

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: 30400

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: 30400

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: 30400

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: 30400

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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