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Elbaite from Pala ?
1
Roger Warin
141
Feb 05, 2023 23:43Jesse Fisher
Unique Schorl Double Terminations
19
bob kerr
1464
Jan 26, 2023 15:42Roger Warin
About the tourmaline twin
6
Roger Warin
1231
Jan 07, 2023 10:50Pete Richards
Oxidation of Copper, Lead, and Zinc sulfides and transport below the surface
4
RayStraw
898
Jan 04, 2023 15:22Pete Modreski
Shielding effect of pyrite solid inclusions in a Colombian emerald crystal
1
Fiebre Verde
569
Dec 26, 2022 05:55James Catmur
Minerals to be found in only one location
10
David
1782
Dec 08, 2022 15:03lluis
Zunyite from Canada
6
Roger Warin
1215
Nov 30, 2022 12:54alfredo
How hard is it to find a new mineral species?
10
David
1570
Nov 27, 2022 14:37Roger Warin
A new mineral species: pendevilleite
2
Roger Warin
846
Nov 23, 2022 15:32Roger Warin
First 100 IUGS Geological Heritage Sites
7
James Catmur
1570
Nov 05, 2022 01:58Philippe Durand
Philip Rashleigh’s Mineral Collection at the Royal Cornwall Museum and Why It Is Important
5
Roy Starkey
1995
Sep 28, 2022 16:31Roy Starkey
Calcite is acting strange under UV
11
Forrestblyth
2790
Aug 08, 2022 22:33alfredo
Question about Rutile, Brookite and Anatase
4
Paul Biehler
2047
Jul 22, 2022 09:42Paul Biehler
Nature used 57 recipes to create Earth's ~10,500+ minerals!
1
Peter Lemkin
1364
Jul 03, 2022 11:46Peter Lemkin
Spherical inclusions in amethyst - cristobalite? vs fluorite
15
Amir Akhavan
4106
Jun 30, 2022 14:20Roger Warin
Red fluorescence in Fluorite
13
Bob Carnein
8495
Jun 29, 2022 08:43Bob Carnein
Crystallography question
6
Bob Carnein
1793
Jun 17, 2022 14:53Bob Carnein
Elbaite, ending moor's head
9
Roger Warin
2741
Jun 11, 2022 18:31Johan Kjellman
How long does it take for a crystal to form?
13
h.abbasi
3005
Jun 04, 2022 00:38Peter Lemkin
Es -Semara Chalcedony
4
Amir Akhavan
1470
May 26, 2022 07:36Bob Morgan
Calcite in Malkhan elbaite
8
Roger Warin
1927
May 19, 2022 14:00Roger Warin
Help with mineral identification in thin section from Khibiny, Kola peninsula
6
Daniel Garcia
1661
May 16, 2022 08:20Daniel Garcia
Tourmaline - Quartz epitaxy?
7
Josele
2114
Apr 24, 2022 09:01Josele
Forms Involved in Titanite Crystal
19
Josele
5562
Apr 22, 2022 14:58marco campos-venuti
Unusual habit for Pyrite.
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28
Sante Celiberti
5781
Mar 25, 2022 19:25Bob Morgan
Conoscopy of elbaite
0
Roger Warin
1123
Mar 14, 2022 09:19Roger Warin
Martian minerals
1
James Catmur
1169
Mar 05, 2022 06:08SteveB
Epitaxial rutile
19
Josele
31579
Feb 27, 2022 18:28Bob Morgan
Russell Society Monthly Virtual Talk by James Catmur – A guide to Spanish e-mineralogy
4
Roy Starkey
1860
Feb 14, 2022 14:32Jordi Fabre
Two questions on Bolivian danburite
8
Antonio Alcaide
8135
Nov 14, 2021 14:54vhairap
All the Diamonds one could fill your house with - and more - so near...yet so far.....
10
Peter Lemkin
10949
Nov 13, 2021 00:15Peter Lemkin
James Madison University Mineral Museum
0
John S. White
2210
Nov 07, 2021 10:19John S. White
Conditions where pyrite/pyritohedra are formed
16
LDMarks
7574
Oct 12, 2021 15:49Sante Celiberti
Just how fast can the crystals we love and collect grow?!
5
Peter Lemkin
3684
Oct 05, 2021 06:44Peter Lemkin
About calaverite from Creeple Creek
2
Roger Warin
2682
Oct 03, 2021 13:53Roger Warin
Malachite stalactites, Katanga Province
2
Roger Warin
2312
Sep 18, 2021 05:25Jordi Fabre
Ajoite From Messina
3
Roger Warin
2486
Aug 27, 2021 22:45Roger Warin
Mineral spirituality?
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29
Tracy
24083
Aug 27, 2021 01:28Peter Lemkin
Rarest beautifully crystallized minerals
4
David
3909
Aug 17, 2021 08:15Jordi Fabre
Tsumeb - Deposit of dioptase on calcite.
3
Roger Warin
2977
Aug 04, 2021 18:39SteveB
Tsumeb Zincolivenite association - light blue acicular mineral = ?
3
cfrench58
2301
Aug 04, 2021 14:51Jordi Fabre
A new mineral: alpha-calcium formate
9
Cesar M. Salvan
5586
May 06, 2021 09:55Cesar M. Salvan
Calcite form
6
Josele
3585
Apr 26, 2021 11:17Josele
Synthetic smoky quartz?
11
Fraxinus
4807
Apr 12, 2021 11:08Amir Akhavan
Creedite - Is Pink Different than Purple, Navidad Mine (Mina Navidad)
9
Julie Wilson
5422
Mar 10, 2021 20:48alfredo
Betafo habit?
5
Sante Celiberti
3540
Feb 20, 2021 17:03Amir Akhavan
Comparison between 2 microscopes
0
Roger Warin
2991
Feb 16, 2021 15:41Roger Warin
Pyrite with bubble-like growths
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21
Pete Richards
11547
Jan 19, 2021 17:42Roger Warin
Proposed new system for classifying minerals
15
Don Lum
8533
Jan 07, 2021 11:01Don Lum
Luxullianite - UK
1
Roger Warin
2817
Jan 03, 2021 10:04Pete Modreski
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