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16 Aug-21:14:26 Re: quartz japan twin (Bob Carnein)
16 Aug-20:51:42 Re: quartz japan twin (Bob Morgan)
16 Aug-15:34:01 Re: help identification (Alfredo)
16 Aug-13:40:44 Quartz japan twin (Marco Campos-venuti)
16 Aug-13:04:01 Help identification (Fjbonfante)
16 Aug-12:18:43 Re: collection from dany mabillard (Dany Mabillard)
16 Aug-05:22:59 Re: the mim museum in beirut, lebanon (Mim Museum)
16 Aug-05:18:59 Re: peridot on lapis ??? (Origin Gems)
16 Aug-05:03:36 Re: peridot on lapis ??? (Origin Gems)
16 Aug-04:30:00 Re: peridot on lapis ??? (Marco Campos-venuti)
16 Aug-00:31:18 Re: collection of volkmar stingl (Volkmar Stingl)
15 Aug-20:37:17 Re: the most over-rated/overpriced species??? (Bob Carnein)
15 Aug-18:28:55 Re: peridot on lapis ??? (Origin Gems)
15 Aug-17:50:13 Re: the most over-rated/overpriced species??? (Minsur)
15 Aug-14:18:33 Sphalerite from Áliva mine, spain / #mvm (minerals - virtual museum) collection (Jordi Fabre)
15 Aug-11:36:47 Re: 19 years of bugging you (and counting!) (James Catmur)
15 Aug-11:32:59 Re: 19 years of bugging you (and counting!) (Jordi Fabre)
15 Aug-08:55:36 Re: libyan desert glass structure (Craig Hagstrom)
15 Aug-08:29:38 Re: 19 years of bugging you (and counting!) (Dany Mabillard)
14 Aug-16:27:35 Azurite and malachite from touissit, morocco / #mvm (minerals - virtual museum) collection (Jordi Fabre)
14 Aug-04:42:11 Re: 19 years of bugging you (and counting!) (Jordi Fabre)
14 Aug-03:47:07 Re: 19 years of bugging you (and counting!) (Dany Mabillard)
14 Aug-02:28:17 Re: collection from dany mabillard (Dany Mabillard)
13 Aug-18:36:13 Re: curious fluorescent metamorphic rock (Fuss)
13 Aug-16:06:12 The mizunaka collection - quartz (Am Mizunaka)

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  Topic: Can you identify this 'hedgehog'?
Steve Cole

Replies: 5
Views: 11345

PostForum: Minerals and Mineralogy   Posted: Aug 18, 2017 16:29   Subject: Re: Can you identify this 'hedgehog'?
Based on it's appearance and the minerals in that area, I'd say that it's pyrite that was partially altered to limonite. Mindat has pics of a pyrite nodule in flint that was found in West Sussex that ...
  Topic: Can you identify this 'hedgehog'?
Steve Cole

Replies: 5
Views: 11345

PostForum: Minerals and Mineralogy   Posted: Aug 18, 2017 14:21   Subject: Can you identify this 'hedgehog'?
Found on the 'South Downs' in Southern England, this is very different to the usual chalk and flint in that area. It is 5cm across, rather heavy, not influenced by a magnet, and covered in triangular ...
 
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