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23 Apr-09:12:26 Re: collection of michael shaw (Michael Shaw)
23 Apr-08:42:40 Need help with identification of minerals in an old video (Hababkhan)
23 Apr-08:12:31 Re: collection of michael shaw (Tobi)
23 Apr-07:31:29 Re: collection of michael shaw (Michael Shaw)
23 Apr-03:24:05 The mizunaka collection - quartz (Am Mizunaka)
22 Apr-07:43:53 Re: the mim museum in beirut, lebanon (Mim Museum)
22 Apr-07:37:41 Re: collection of tobi (Tobi)
22 Apr-06:59:29 Re: in memoriam - george robinson, a man of science, passed away (James Catmur)
22 Apr-04:49:40 Re: in memoriam - george robinson, a man of science, passed away (Carles Millan)
22 Apr-04:27:08 In memoriam - george robinson, a man of science, passed away (Jordi Fabre)
21 Apr-19:05:50 The mizunaka collection - fluorite (Am Mizunaka)
21 Apr-10:18:36 Re: collection of volkmar stingl (Volkmar Stingl)
21 Apr-10:02:41 Re: collection of tobi (Tobi)
21 Apr-07:41:53 Re: collection of tobi (Tobi)
21 Apr-01:06:08 Re: collection of volkmar stingl (Volkmar Stingl)
19 Apr-14:43:38 Re: tsumeb unknown (Cfrench58)
19 Apr-13:49:53 Re: tsumeb unknown (Jordi Fabre)
19 Apr-13:49:47 Re: tsumeb unknown (Roger Warin)
19 Apr-11:39:35 Tsumeb unknown (Cfrench58)
18 Apr-22:18:36 Re: collection of volkmar stingl (Volkmar Stingl)
18 Apr-22:09:29 Re: the mim museum in beirut, lebanon (Volkmar Stingl)
18 Apr-14:47:23 Re: collection from dany mabillard (Dany Mabillard)
18 Apr-14:25:29 Re: collection from dany mabillard (Dany Mabillard)
18 Apr-10:23:19 Re: collection of michael shaw (Michael Shaw)
18 Apr-09:23:31 Re: collection of joseph d'oliveira (Joseph Doliveira)

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  Topic: Abrasives repairing polishing crystals
Diamond

Replies: 11
Views: 15553

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Sep 05, 2018 14:23   Subject: Re: Abrasives repairing polishing crystals
Basic guide to polishing rocks and minerals:

Use your 150# diamond files to remove the chip completely. For the next steps you *must* use successively finer mesh sizes that no more than loosely do ...
  Topic: Abrasives repairing polishing crystals
Diamond

Replies: 11
Views: 15553

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Aug 19, 2018 05:12   Subject: Re: Abrasives repairing polishing crystals
Anyway to cut it shorter what do you guys use on crystals for chips and a perfect shine as I am struggling at the moment thanks!

Diamond - This isn't really the appropriate forum to ask a question ...
  Topic: Abrasives repairing polishing crystals
Diamond

Replies: 11
Views: 15553

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Aug 18, 2018 11:14   Subject: Re: Abrasives repairing polishing crystals
Hi, all

I do not like repairs at all....
But being an amethyst, I thing you could get the help of someones (well known in minerals, for what I understood... In MR, if I am not wrong....) that &quo ...
  Topic: Abrasives repairing polishing crystals
Diamond

Replies: 11
Views: 15553

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Aug 18, 2018 11:10   Subject: Re: Abrasives repairing polishing crystals
Ah ok well unfortunately I have this one started already so I will have to finish it to the best of my abilities. I do have cross transferable skills and a fair amount of tools but I've only done this ...
  Topic: Abrasives repairing polishing crystals
Diamond

Replies: 11
Views: 15553

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Aug 18, 2018 07:31   Subject: Abrasives repairing polishing crystals
I have a amethyst that was chipped and I thought I would try repairing it and I started with a basic gem tutorial saying use diamonds files for shaping then move on to lapping diamond paste 6 microns ...
  Topic: Join us to dig a giant Amethyst geode
Diamond

Replies: 41
Views: 234562

PostForum: Exceptional finds   Posted: Aug 18, 2018 07:13   Subject: Re: Join us to dig a giant Amethyst geode
It's an alien space craft :O ... But seriously wow what a job as well to sort it out! Nice.
 
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