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Mystery stone, who knows what it is?
1
Flubbelyte
943
Apr 17, 2024 16:31Jordi Fabre
Trying to find information on rose/pink quartz and tourmaline associations.
17
Ning
3413
Mar 30, 2024 09:14Amir Akhavan
Mineralogy & Museums 10 - Cardiff - 12th-13th August 2024
0
Roy Starkey
1816
Mar 18, 2024 06:47Roy Starkey
Can you recommend a lab to analyse specimens
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29
James Catmur
12253
Mar 12, 2024 07:36Luiz Oliveira
How do calcium carbonate Vaterite and Calcite crystals form?
0
James Catmur
1721
Mar 02, 2024 13:25James Catmur
60th Anniversary of the death of Sir Arthur Russell - Free talk and workshop
0
Roy Starkey
2620
Feb 17, 2024 14:58Roy Starkey
Fluorite crystallography?
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27
Tobi
11179
Dec 13, 2023 09:42Pete Richards
New York State: A Topographic Mineralogy (NEW BOOK) Posted on behalf of Steve Chamberlain
0
Roy Starkey
5374
Dec 11, 2023 16:46Roy Starkey
Nifontovite
8
Roger Warin
4819
Dec 10, 2023 18:26Peter Megaw
Metamict
1
Luiz Oliveira
3238
Dec 03, 2023 07:17Luiz Oliveira
Fluorite Star
3
Roger Warin
3722
Nov 28, 2023 20:06Pete Richards
Le Burc?
8
Chriss
4666
Nov 13, 2023 13:47James Catmur
Pele's Hair and Tears
5
Roger Warin
6559
Sep 27, 2023 06:18James Catmur
New species accepted by the IMA?
10
Roger Warin
11722
Aug 08, 2023 21:55Roger Warin
Minerals of the distant future
4
Tom Mazanec
7719
Aug 05, 2023 09:07Bob Carnein
Garnets in granite pegmatites by Olav Revheim
1
Tobi
5768
Aug 02, 2023 08:35Roger Warin
Quartz: parallel growth or not?
3
Roger Warin
6596
Jul 23, 2023 22:37Roger Warin
"Stain(?)" on Milpillas Azurite specimen
2
bob kerr
6637
Jul 05, 2023 14:37RayStraw
New article discussing the morphological features and oddities in Colombian emerald
1
Fiebre Verde
8153
May 25, 2023 06:55Roger Warin
An idea for a collection
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20
Richard Arseneau
14951
May 19, 2023 11:38marco campos-venuti
Azurite to Malachite Chemistry
9
RayStraw
9091
May 05, 2023 21:35Bob Morgan
Tarnish on cubanite
9
Pete Richards
9311
Apr 24, 2023 14:20Roger Warin
What should we do with our collections? Special event on Zoom - Wednesday 19 April 20:00 B
12
Roy Starkey
10927
Apr 23, 2023 17:02James Catmur
Calcite geode from Idar
2
Roger Warin
3534
Apr 21, 2023 18:27Linus
Problem with identification
6
mineralowitz
5834
Mar 29, 2023 10:17Bob Carnein
A very strange specimen of Hardin Co., Illinois
6
k-m.minerals
6515
Mar 17, 2023 00:52k-m.minerals
Azurite to Malachite pseudomorphs
0
RayStraw
11298
Feb 26, 2023 17:50RayStraw
Mineral Labeling: how to properly acknowledge specimen is from an earlier collection
7
Frank Perry
5358
Feb 24, 2023 04:07James Catmur
Diamond pseudomorphs after graphite
8
James Catmur
5589
Feb 22, 2023 05:12James Catmur
Galena Spinel law
8
John Hodgson
6247
Feb 13, 2023 03:55Tobi
Can alpha radiation from titanite, zircon, etc. affect other mineral specimens?
4
Garret
4160
Feb 10, 2023 19:05Amir Akhavan
Elbaite from Pala ?
1
Roger Warin
3385
Feb 05, 2023 23:43Jesse Fisher
Unique Schorl Double Terminations
19
bob kerr
10515
Jan 26, 2023 15:42Roger Warin
About the tourmaline twin
6
Roger Warin
6820
Jan 07, 2023 10:50Pete Richards
Oxidation of Copper, Lead, and Zinc sulfides and transport below the surface
4
RayStraw
5703
Jan 04, 2023 15:22Pete Modreski
Shielding effect of pyrite solid inclusions in a Colombian emerald crystal
1
Fiebre Verde
3970
Dec 26, 2022 05:55James Catmur
Minerals to be found in only one location
10
David
7859
Dec 08, 2022 15:03lluis
Zunyite from Canada
6
Roger Warin
5713
Nov 30, 2022 12:54alfredo
How hard is it to find a new mineral species?
10
David
6846
Nov 27, 2022 14:37Roger Warin
A new mineral species: pendevilleite
2
Roger Warin
4570
Nov 23, 2022 15:32Roger Warin
First 100 IUGS Geological Heritage Sites
7
James Catmur
6260
Nov 05, 2022 01:58Philippe Durand
Philip Rashleigh’s Mineral Collection at the Royal Cornwall Museum and Why It Is Important
5
Roy Starkey
6482
Sep 28, 2022 16:31Roy Starkey
Calcite is acting strange under UV
11
Forrestblyth
8729
Aug 08, 2022 22:33alfredo
Question about Rutile, Brookite and Anatase
4
Paul Biehler
5474
Jul 22, 2022 09:42Paul Biehler
Nature used 57 recipes to create Earth's ~10,500+ minerals!
1
Peter Lemkin
4554
Jul 03, 2022 11:46Peter Lemkin
Spherical inclusions in amethyst - cristobalite? vs fluorite
15
Amir Akhavan
9618
Jun 30, 2022 14:20Roger Warin
Red fluorescence in Fluorite
13
Bob Carnein
14143
Jun 29, 2022 08:43Bob Carnein
Crystallography question
6
Bob Carnein
5275
Jun 17, 2022 14:53Bob Carnein
Elbaite, ending moor's head
9
Roger Warin
7168
Jun 11, 2022 18:31Johan Kjellman
How long does it take for a crystal to form?
13
h.abbasi
8295
Jun 04, 2022 00:38Peter Lemkin
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