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27 Mar-19:47:08 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Pete Richards)
27 Mar-16:15:44 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-15:18:59 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Alfredo)
27 Mar-14:39:29 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-05:21:48 Re: the mim museum in beirut, lebanon (Mim Museum)
27 Mar-05:03:26 Re: trying to find information on rose/pink quartz and tourmaline associations. (Ning)
27 Mar-02:39:50 Re: the mim museum in beirut, lebanon (Tobi)
27 Mar-00:23:28 Re: collection of volkmar stingl (Volkmar Stingl)
26 Mar-00:53:41 Re: collection of volkmar stingl (Volkmar Stingl)
25 Mar-13:32:10 Re: collection of michael shaw (Michael Shaw)
25 Mar-00:25:58 The mizunaka collection - quartz (Am Mizunaka)
23 Mar-13:35:22 Re: collection of firmo espinar (Firmo Espinar)
22 Mar-08:32:28 Re: collection of michael shaw (Michael Shaw)
22 Mar-04:20:41 Re: the mim museum in beirut, lebanon (Mim Museum)
21 Mar-22:49:19 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:47:40 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:45:25 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-15:34:23 Re: the mizunaka collection - quartz (Am Mizunaka)
21 Mar-14:35:08 Re: jim’s mineral collection (Jim Wilkinson)
21 Mar-14:15:36 The 4th phoenix heritage mineral show (phms) hosted by mineralogical society of arizona (m (Chris Whitney-smith)
21 Mar-04:36:10 Re: the mizunaka collection (Tobi)
21 Mar-04:11:47 Re: jim’s mineral collection (James Catmur)
20 Mar-23:34:15 The mizunaka collection - quartz (Am Mizunaka)
20 Mar-18:13:16 Re: jim’s mineral collection (Jim Wilkinson)
20 Mar-14:06:43 Re: dry gill mine, caldbeck fells, cumbria, uk (Forrestblyth)

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Agate: to cut or not to cut?
  
  Index -> Conserving, Preparing and Cleaning Minerals
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TimS




Joined: 04 Aug 2014
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Location: NE Wyoming

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PostPosted: Sep 17, 2014 15:44    Post subject: Agate: to cut or not to cut?  

I've got several large, rough agates that are about 1' diameter and am considering finding someone with a saw to split / slab them. Can cutting an agate ruin its value? Is there anything I should look for or take into consideration before cutting my rough stuff? I'm very curious to see what the interior of these rocks hold but would hate to ruin them in the process. TIA for any suggestions / opinions.
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marco campos-venuti




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PostPosted: Sep 18, 2014 03:27    Post subject: Re: Agate: to cut or not to cut?  

Cut it!
Split in two with a vertical cut.
Most of the agate have to be cut for look at them, except for some wind blasted specimens that have a nice natural exterior.
For make the job take a look here:
https://www.wymineralandgemsociety.org
(link normalized by FMF)
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James Catmur
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PostPosted: Sep 18, 2014 05:21    Post subject: Re: Agate: to cut or not to cut?  

Just had three we found cut - one was not that great but we polished the other two. It was well worth while doing in my opinion
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TimS




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PostPosted: Sep 18, 2014 15:53    Post subject: Re: Agate: to cut or not to cut?  

Thanks guys. James, did you get any pictures of yours?

Marco, thanks for the link to the WSMGS. I wasn't aware of the group and their website has some helpful info. None of the rock shops listed there are very close --- I'm in the NE corner of the state, but if nothing else I can check with semi-local shops around the southern SD Black Hills and try to find someone willing to help me split a few.

I'll try to add photos if anything looks interesting.
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