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Newest topics and users posts
21 Sep-08:26:00 Re: someone told me this is what happens to mud at the bottom of a lake (Woody Thompson)
21 Sep-08:18:55 Re: favourite topazes? (James)
21 Sep-07:09:49 Re: favourite topazes? (Tony)
21 Sep-04:38:28 Re: collection of manuel mesa (Manuel Mesa)
20 Sep-23:07:44 Re: concrete or pumice (Alex D.)
20 Sep-22:13:45 Re: denver gem and mineral show, 2017. spann style. (Gail)
20 Sep-22:09:04 Re: denver gem and mineral show, 2017. spann style. (Gail)
20 Sep-22:05:05 Re: denver gem and mineral show, 2017. spann style. (Gail)
20 Sep-19:17:39 Re: how common is pyrite disease? (Pete Richards)
20 Sep-19:02:03 Re: how common is pyrite disease? (Protium)
20 Sep-18:31:49 Re: someone told me this is what happens to mud at the bottom of a lake (Bob Carnein)
20 Sep-18:20:12 Re: someone told me this is what happens to mud at the bottom of a lake (Trtlman)
20 Sep-18:11:51 Re: denver gem and mineral show, 2017. spann style. (Gail)
20 Sep-18:09:39 Re: denver gem and mineral show, 2017. spann style. (Gail)
20 Sep-18:06:17 Re: denver gem and mineral show, 2017. spann style. (Gail)
20 Sep-18:03:09 Re: denver gem and mineral show, 2017. spann style. (Gail)
20 Sep-17:41:16 Re: someone told me this is what happens to mud at the bottom of a lake (Kushmeja)
20 Sep-17:18:09 Re: someone told me this is what happens to mud at the bottom of a lake (Bob Carnein)
20 Sep-16:37:53 Re: someone told me this is what happens to mud at the bottom of a lake (Kushmeja)
20 Sep-16:31:03 Re: how common is pyrite disease? (Roger Warin)
20 Sep-16:27:41 Re: someone told me this is what happens to mud at the bottom of a lake (Bob Harman)
20 Sep-16:08:54 Re: concrete or pumice (Trtlman)
20 Sep-16:06:35 Someone told me this is what happens to mud at the bottom of a lake (Trtlman)
20 Sep-16:02:38 I am back (Trtlman)
20 Sep-14:27:00 Re: collection of fiebre verde - chivor (#383) (Fiebre Verde)

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Minerals and Mineralogy
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No new posts How common is pyrite disease?
6 protium 288 Sep 20, 2017 19:17
Pete Richards View latest post
No new posts Cause of coloration in green fluorite
12 protium 569 Sep 18, 2017 15:08
Roger Warin View latest post
No new posts interpretation of a geological map
13 Alex D. 756 Sep 13, 2017 22:40
Alex D. View latest post
No new posts Scientifically Identifying Minerals?
7 evin likes rocks 710 Sep 02, 2017 07:01
lluis View latest post
No new posts Can you identify this 'hedgehog'?
5 Steve Cole 682 Aug 18, 2017 22:32
Roger Warin View latest post
No new posts Oddities from Brandberg, Namibia
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70 Pierre Joubert 36143 Aug 16, 2017 10:48
Pierre Joubert View latest post
No new posts Black or very dark background?
6 John S. White 668 Aug 16, 2017 04:21
Pierre Joubert View latest post
No new posts Ex so and so’s collection
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26 John S. White 2613 Aug 15, 2017 17:34
Turbo View latest post
No new posts Erionite and cancer
6 James 1169 Aug 07, 2017 11:42
cascaillou View latest post
No new posts Mannardite and Ankangite
4 BHmineral 772 Aug 04, 2017 02:59
marco campos-venuti View latest post
No new posts Calcite seen at Sainte-Marie-aux-Mines Show 2017
3 Jordi Fabre 624 Aug 01, 2017 03:09
Roger Warin View latest post
No new posts "Chrome" / yellow cerussite. Colour causing mechanisms.
1 Peter Olubas 799 Jul 14, 2017 10:37
Jordi Fabre View latest post
No new posts Public mining in Oaxaca, Mexico
12 ancientmttreasures 3215 Jul 12, 2017 04:06
James View latest post
No new posts Tobermorite gets a mention on the BBC!
2 James 736 Jul 05, 2017 12:00
Peter Lemkin View latest post
No new posts Struggling to identify the green mineral
13 Joanna89 1727 Jul 01, 2017 13:10
lluis View latest post
No new posts Quartz, Natural and Synthetic
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47 Elise 36589 Jun 29, 2017 08:14
Jamison Brizendine View latest post
No new posts Trigonic Terminated Tourmaline?
2 texasdigger 864 Jun 22, 2017 02:10
lluis View latest post
No new posts Olivine gem from asteroid
0 Roger Warin 761 Jun 10, 2017 16:21
Roger Warin View latest post
No new posts Quartz Inclusions
18 Roger Warin 3618 Jun 02, 2017 05:55
cascaillou View latest post
No new posts Vivianite Oxidation
2 evin likes rocks 891 May 26, 2017 10:57
evin likes rocks View latest post
No new posts Cause of Blue, Green and Blue/Green Coloration of Cookeite
4 daviddillman 1325 May 03, 2017 18:02
Ed Huskinson View latest post
No new posts N'Chwaning 1, 2, 3, Hotazel, Wessels - do you really care?
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22 bob kerr 4169 Mar 02, 2017 01:24
Pierre Joubert View latest post
No new posts Montroydite from Terlingua, Texas
10 Tom Tucker 2362 Feb 23, 2017 16:33
cascaillou View latest post
No new posts Negative crystals and their formation
7 Donn C. 2207 Feb 12, 2017 17:01
John Jaszczak View latest post
No new posts Light sensitivity of cinnabar crystals (Chatian Mine, China)?
16 Tobi 3205 Feb 02, 2017 16:47
Tom Tucker View latest post
No new posts Copper specimen from Zambia?
5 Pierre Joubert 1846 Jan 21, 2017 03:25
Pierre Joubert View latest post
No new posts Epitaxial albite on microcline?
4 Josele 1705 Jan 18, 2017 14:01
Josele View latest post
No new posts Spanish aragonite
4 Bob Carnein 1747 Jan 17, 2017 12:13
Bob Carnein View latest post
No new posts Cristobalite / Libyan desert glass
3 Roger Warin 5558 Jan 16, 2017 11:27
Roger Warin View latest post
No new posts Cechite from Ulldemolins
6 Cesar M. Salvan 2488 Jan 02, 2017 10:04
Joan Rosell View latest post
No new posts Cristobalite in Lybian Desert Glass
7 Roger Warin 2351 Dec 25, 2016 08:45
marco campos-venuti View latest post
No new posts Very unusual calcite crystal
5 Pete Richards 1824 Dec 22, 2016 06:28
marco campos-venuti View latest post
No new posts Weird face in quartz
14 Josele 4159 Dec 09, 2016 05:17
Pierre Joubert View latest post
No new posts Im loving this Beryl
5 texasdigger 1739 Dec 08, 2016 23:58
Matt_Zukowski View latest post
No new posts Merelaniite - a new mineral from the famous tanzanite deposit
9 John Jaszczak 4057 Nov 26, 2016 13:30
John Jaszczak View latest post
No new posts Please help identify this mineral/crystal.
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21 rhichens 5428 Nov 25, 2016 16:19
James View latest post
No new posts Colorless crystals with sturmanite
6 Pete Richards 2272 Nov 25, 2016 11:29
Roger Warin View latest post
This topic is locked: you cannot edit posts or make replies. Help needed identifying tumblestones
3 rick_bakker 1330 Nov 12, 2016 05:00
prcantos View latest post
No new posts Turquoise-blue Fluorite from Cornwall UK
7 markbeckett 5045 Oct 15, 2016 11:11
markbeckett View latest post
No new posts The Micro-World and inclusions in minerals
5 Elise 3710 Oct 05, 2016 13:04
Elise View latest post
No new posts Why does Calcite fluoresce blue??
19 Parvin 10422 Sep 30, 2016 13:54
CranCowan View latest post
No new posts What makes calcite white vs. colorless?
6 df 3996 Sep 30, 2016 13:31
CranCowan View latest post
No new posts Quartz with Muscovite (variety fuchsite) from Itremo, Madagascar
8 geofossile 2400 Sep 30, 2016 07:17
geofossile View latest post
No new posts Rare quartz crystals
6 Peter Seroka 4110 Sep 19, 2016 04:28
Harjo View latest post
No new posts How quartz crystals are formed.
8 Pierre Joubert 5544 Sep 16, 2016 09:42
Pierre Joubert View latest post
No new posts Help with Chromium-rich Tremolite
3 GneissWare 1593 Sep 08, 2016 13:10
GneissWare View latest post
No new posts Question about preserving weddellite specimens
2 Jim 1199 Sep 01, 2016 06:50
Jim View latest post
No new posts Minerals and the Origins of Life: the key roles of apatite and struvite
8 Cesar M. Salvan 2679 Aug 27, 2016 19:05
Robert Seitz View latest post
No new posts Help with identifying collector
9 John S. White 2386 Aug 25, 2016 14:39
John S. White View latest post
No new posts Azurite/Malachite pseudomorphs
1 dontgogreen 1150 Aug 15, 2016 11:24
Les Presmyk View latest post
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