Topics
Replies
Author
Views
Last Post
Carletonite
0
Roger Warin
264
May 29, 2023 04:28Roger Warin
New article discussing the morphological features and oddities in Colombian emerald
1
Fiebre Verde
609
May 25, 2023 06:55Roger Warin
An idea for a collection
[ Goto page: 1 , 2 ]
20
Richard Arseneau
1800
May 19, 2023 11:38marco campos-venuti
Azurite to Malachite Chemistry
9
RayStraw
883
May 05, 2023 21:35Bob Morgan
Tarnish on cubanite
9
Pete Richards
1042
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
3134
Apr 23, 2023 17:02James Catmur
Calcite geode from Idar
2
Roger Warin
605
Apr 21, 2023 18:27Linus
Problem with identification
6
mineralowitz
1723
Mar 29, 2023 10:17Bob Carnein
A very strange specimen of Hardin Co., Illinois
6
k-m.minerals
2081
Mar 17, 2023 00:52k-m.minerals
Azurite to Malachite pseudomorphs
0
RayStraw
1363
Feb 26, 2023 17:50RayStraw
Mineral Labeling: how to properly acknowledge specimen is from an earlier collection
7
Frank Perry
1990
Feb 24, 2023 04:07James Catmur
Diamond pseudomorphs after graphite
8
James Catmur
1880
Feb 22, 2023 05:12James Catmur
Galena Spinel law
8
John Hodgson
2022
Feb 13, 2023 03:55Tobi
Can alpha radiation from titanite, zircon, etc. affect other mineral specimens?
4
Garret
1519
Feb 10, 2023 19:05Amir Akhavan
Elbaite from Pala ?
1
Roger Warin
1165
Feb 05, 2023 23:43Jesse Fisher
Unique Schorl Double Terminations
19
bob kerr
4503
Jan 26, 2023 15:42Roger Warin
About the tourmaline twin
6
Roger Warin
2533
Jan 07, 2023 10:50Pete Richards
Oxidation of Copper, Lead, and Zinc sulfides and transport below the surface
4
RayStraw
1786
Jan 04, 2023 15:22Pete Modreski
Shielding effect of pyrite solid inclusions in a Colombian emerald crystal
1
Fiebre Verde
1271
Dec 26, 2022 05:55James Catmur
Minerals to be found in only one location
10
David
3211
Dec 08, 2022 15:03lluis
Zunyite from Canada
6
Roger Warin
2195
Nov 30, 2022 12:54alfredo
How hard is it to find a new mineral species?
10
David
2726
Nov 27, 2022 14:37Roger Warin
A new mineral species: pendevilleite
2
Roger Warin
1650
Nov 23, 2022 15:32Roger Warin
First 100 IUGS Geological Heritage Sites
7
James Catmur
2651
Nov 05, 2022 01:58Philippe Durand
Philip Rashleigh’s Mineral Collection at the Royal Cornwall Museum and Why It Is Important
5
Roy Starkey
2950
Sep 28, 2022 16:31Roy Starkey
Calcite is acting strange under UV
11
Forrestblyth
3939
Aug 08, 2022 22:33alfredo
Question about Rutile, Brookite and Anatase
4
Paul Biehler
2697
Jul 22, 2022 09:42Paul Biehler
Nature used 57 recipes to create Earth's ~10,500+ minerals!
1
Peter Lemkin
2054
Jul 03, 2022 11:46Peter Lemkin
Spherical inclusions in amethyst - cristobalite? vs fluorite
15
Amir Akhavan
5115
Jun 30, 2022 14:20Roger Warin
Red fluorescence in Fluorite
13
Bob Carnein
9623
Jun 29, 2022 08:43Bob Carnein
Crystallography question
6
Bob Carnein
2506
Jun 17, 2022 14:53Bob Carnein
Elbaite, ending moor's head
9
Roger Warin
3716
Jun 11, 2022 18:31Johan Kjellman
How long does it take for a crystal to form?
13
h.abbasi
4086
Jun 04, 2022 00:38Peter Lemkin
Es -Semara Chalcedony
4
Amir Akhavan
1940
May 26, 2022 07:36Bob Morgan
Calcite in Malkhan elbaite
8
Roger Warin
2729
May 19, 2022 14:00Roger Warin
Help with mineral identification in thin section from Khibiny, Kola peninsula
6
Daniel Garcia
2304
May 16, 2022 08:20Daniel Garcia
Tourmaline - Quartz epitaxy?
7
Josele
2961
Apr 24, 2022 09:01Josele
Forms Involved in Titanite Crystal
19
Josele
7325
Apr 22, 2022 14:58marco campos-venuti
Unusual habit for Pyrite.
[ Goto page: 1 , 2 ]
28
Sante Celiberti
7917
Mar 25, 2022 19:25Bob Morgan
Conoscopy of elbaite
0
Roger Warin
1933
Mar 14, 2022 09:19Roger Warin
Martian minerals
1
James Catmur
1489
Mar 05, 2022 06:08SteveB
Epitaxial rutile
19
Josele
33054
Feb 27, 2022 18:28Bob Morgan
Russell Society Monthly Virtual Talk by James Catmur – A guide to Spanish e-mineralogy
4
Roy Starkey
2404
Feb 14, 2022 14:32Jordi Fabre
Two questions on Bolivian danburite
8
Antonio Alcaide
8875
Nov 14, 2021 14:54vhairap
All the Diamonds one could fill your house with - and more - so near...yet so far.....
10
Peter Lemkin
11872
Nov 13, 2021 00:15Peter Lemkin
James Madison University Mineral Museum
0
John S. White
3078
Nov 07, 2021 10:19John S. White
Conditions where pyrite/pyritohedra are formed
16
LDMarks
8748
Oct 12, 2021 15:49Sante Celiberti
Just how fast can the crystals we love and collect grow?!
5
Peter Lemkin
4292
Oct 05, 2021 06:44Peter Lemkin
About calaverite from Creeple Creek
2
Roger Warin
3163
Oct 03, 2021 13:53Roger Warin
Malachite stalactites, Katanga Province
2
Roger Warin
2715
Sep 18, 2021 05:25Jordi Fabre
Display topics from previous: All Topics 1 Day 7 Days 2 Weeks 1 Month 3 Months 6 Months 1 Year