Topics
Replies
Author
Views
Last Post
Problem with identification
4
mineralowitz
207
Mar 28, 2023 13:26Roger Warin
A very strange specimen of Hardin Co., Illinois
6
k-m.minerals
803
Mar 17, 2023 00:52k-m.minerals
Azurite to Malachite pseudomorphs
0
RayStraw
314
Feb 26, 2023 17:50RayStraw
Mineral Labeling: how to properly acknowledge specimen is from an earlier collection
7
Frank Perry
887
Feb 24, 2023 04:07James Catmur
Diamond pseudomorphs after graphite
8
James Catmur
771
Feb 22, 2023 05:12James Catmur
Galena Spinel law
8
John Hodgson
914
Feb 13, 2023 03:55Tobi
Can alpha radiation from titanite, zircon, etc. affect other mineral specimens?
4
Garret
712
Feb 10, 2023 19:05Amir Akhavan
Elbaite from Pala ?
1
Roger Warin
495
Feb 05, 2023 23:43Jesse Fisher
Unique Schorl Double Terminations
19
bob kerr
2574
Jan 26, 2023 15:42Roger Warin
About the tourmaline twin
6
Roger Warin
1832
Jan 07, 2023 10:50Pete Richards
Oxidation of Copper, Lead, and Zinc sulfides and transport below the surface
4
RayStraw
1283
Jan 04, 2023 15:22Pete Modreski
Shielding effect of pyrite solid inclusions in a Colombian emerald crystal
1
Fiebre Verde
853
Dec 26, 2022 05:55James Catmur
Minerals to be found in only one location
10
David
2447
Dec 08, 2022 15:03lluis
Zunyite from Canada
6
Roger Warin
1622
Nov 30, 2022 12:54alfredo
How hard is it to find a new mineral species?
10
David
2077
Nov 27, 2022 14:37Roger Warin
A new mineral species: pendevilleite
2
Roger Warin
1180
Nov 23, 2022 15:32Roger Warin
First 100 IUGS Geological Heritage Sites
7
James Catmur
2013
Nov 05, 2022 01:58Philippe Durand
Philip Rashleigh’s Mineral Collection at the Royal Cornwall Museum and Why It Is Important
5
Roy Starkey
2358
Sep 28, 2022 16:31Roy Starkey
Calcite is acting strange under UV
11
Forrestblyth
3258
Aug 08, 2022 22:33alfredo
Question about Rutile, Brookite and Anatase
4
Paul Biehler
2297
Jul 22, 2022 09:42Paul Biehler
Nature used 57 recipes to create Earth's ~10,500+ minerals!
1
Peter Lemkin
1636
Jul 03, 2022 11:46Peter Lemkin
Spherical inclusions in amethyst - cristobalite? vs fluorite
15
Amir Akhavan
4491
Jun 30, 2022 14:20Roger Warin
Red fluorescence in Fluorite
13
Bob Carnein
8959
Jun 29, 2022 08:43Bob Carnein
Crystallography question
6
Bob Carnein
2044
Jun 17, 2022 14:53Bob Carnein
Elbaite, ending moor's head
9
Roger Warin
3076
Jun 11, 2022 18:31Johan Kjellman
How long does it take for a crystal to form?
13
h.abbasi
3433
Jun 04, 2022 00:38Peter Lemkin
Es -Semara Chalcedony
4
Amir Akhavan
1611
May 26, 2022 07:36Bob Morgan
Calcite in Malkhan elbaite
8
Roger Warin
2217
May 19, 2022 14:00Roger Warin
Help with mineral identification in thin section from Khibiny, Kola peninsula
6
Daniel Garcia
1892
May 16, 2022 08:20Daniel Garcia
Tourmaline - Quartz epitaxy?
7
Josele
2416
Apr 24, 2022 09:01Josele
Forms Involved in Titanite Crystal
19
Josele
6130
Apr 22, 2022 14:58marco campos-venuti
Unusual habit for Pyrite.
[ Goto page: 1 , 2 ]
28
Sante Celiberti
6362
Mar 25, 2022 19:25Bob Morgan
Conoscopy of elbaite
0
Roger Warin
1214
Mar 14, 2022 09:19Roger Warin
Martian minerals
1
James Catmur
1266
Mar 05, 2022 06:08SteveB
Epitaxial rutile
19
Josele
32086
Feb 27, 2022 18:28Bob Morgan
Russell Society Monthly Virtual Talk by James Catmur – A guide to Spanish e-mineralogy
4
Roy Starkey
2047
Feb 14, 2022 14:32Jordi Fabre
Two questions on Bolivian danburite
8
Antonio Alcaide
8406
Nov 14, 2021 14:54vhairap
All the Diamonds one could fill your house with - and more - so near...yet so far.....
10
Peter Lemkin
11296
Nov 13, 2021 00:15Peter Lemkin
James Madison University Mineral Museum
0
John S. White
2332
Nov 07, 2021 10:19John S. White
Conditions where pyrite/pyritohedra are formed
16
LDMarks
8006
Oct 12, 2021 15:49Sante Celiberti
Just how fast can the crystals we love and collect grow?!
5
Peter Lemkin
3853
Oct 05, 2021 06:44Peter Lemkin
About calaverite from Creeple Creek
2
Roger Warin
2836
Oct 03, 2021 13:53Roger Warin
Malachite stalactites, Katanga Province
2
Roger Warin
2441
Sep 18, 2021 05:25Jordi Fabre
Ajoite From Messina
3
Roger Warin
2603
Aug 27, 2021 22:45Roger Warin
Mineral spirituality?
[ Goto page: 1 , 2 ]
29
Tracy
24696
Aug 27, 2021 01:28Peter Lemkin
Rarest beautifully crystallized minerals
4
David
4032
Aug 17, 2021 08:15Jordi Fabre
Tsumeb - Deposit of dioptase on calcite.
3
Roger Warin
3137
Aug 04, 2021 18:39SteveB
Tsumeb Zincolivenite association - light blue acicular mineral = ?
3
cfrench58
2414
Aug 04, 2021 14:51Jordi Fabre
A new mineral: alpha-calcium formate
9
Cesar M. Salvan
5909
May 06, 2021 09:55Cesar M. Salvan
Calcite form
6
Josele
3788
Apr 26, 2021 11:17Josele
Display topics from previous: All Topics 1 Day 7 Days 2 Weeks 1 Month 3 Months 6 Months 1 Year