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Golden rutile analysis?
0
dontgogreen
22656
Nov 02, 2018 13:43dontgogreen
"Frosted patterns" on the faces of Quartz
10
Reef
21152
Oct 01, 2018 16:33Bob Morgan
Termination in a tourmaline crystal
2
marco campos-venuti
7298
Aug 28, 2018 13:13John S. White
Question about Fluorite on Quartz
6
Richard Arseneau
10453
Aug 19, 2018 23:04Robert Seitz
Mindat is in financial trouble.....!?!
4
Peter Lemkin
9607
Aug 18, 2018 03:23Montanpark
Minerals of DR Congo, Katanga.
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27
Roger Warin
60384
Jul 29, 2018 13:52Roger Warin
Help please about swamboite-(Nd) structure
0
Roger Warin
21393
Jul 27, 2018 05:44Roger Warin
Green petrified wood WA State?
6
jenrey1919
11701
Jul 12, 2018 22:17Jeff
Carbonates form on ponds in Oman like ice
6
Matt_Zukowski
13093
Jul 02, 2018 10:28AntonioL
Great website on Quartz and all Quartz growth variants!
1
Peter Lemkin
7761
Apr 12, 2018 05:55kristy
Central Massif of Picos de Europa, Asturias
9
Gagat Minerals
14053
Mar 19, 2018 09:22Gagat Minerals
San Benito County
9
Roger Warin
17894
Mar 18, 2018 11:59JohnVeevaert
Percentage of pigment
6
Tom Mazanec
11551
Mar 15, 2018 05:54Tom Mazanec
A new find: Hoganite from Morocco
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17
Manuel Mesa
35789
Feb 28, 2018 12:52alfredo
Minerals and the Origins of Life: the key roles of apatite and struvite
9
Cesar M. Salvan
20704
Jan 12, 2018 00:40Peter Lemkin
Percentage of minerals known
11
Tom Mazanec
18815
Jan 08, 2018 12:02kakov
Minerals sans life
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15
Tom Mazanec
23432
Jan 06, 2018 18:38Jordi Fabre
Prospecting pegmatite for schorl: need help.
8
cascaillou
17506
Dec 14, 2017 14:11cascaillou
Mineral names in different languages and their meaning
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16
Tobi
29575
Nov 21, 2017 15:22Pete Richards
Questions about microcline
6
Josele
13146
Nov 20, 2017 17:35Josele
Information about a Rhodochrosite specimen
3
Charlotte
9973
Nov 19, 2017 09:30John Cornish
Fluorite habit
5
Josele
10994
Nov 05, 2017 14:49Pete Richards
Help with identification of rock/mineral
6
Mineralien
13126
Oct 23, 2017 13:33Pete Modreski
Alfredopetrovite
10
Jordi Fabre
17677
Oct 21, 2017 16:09Don Lum
Quartz Inclusions
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22
Roger Warin
44476
Oct 16, 2017 13:59zbhjzm
Is Kambaba Jasper a Stromatolite?
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22
Stone Mania
85647
Oct 14, 2017 03:41Stone Mania
Mineral oddities.....well sort of!
2
Bob Harman
7670
Sep 30, 2017 22:43Peter Lemkin
Blue celestine from Madagascar
4
Bob Harman
8323
Sep 29, 2017 16:35kushmeja
How common is pyrite disease?
6
Richard Arseneau
10009
Sep 20, 2017 19:17Pete Richards
Cause of coloration in green fluorite
12
Richard Arseneau
19439
Sep 18, 2017 15:08Roger Warin
interpretation of a geological map
13
Alex D.
25093
Sep 13, 2017 22:40Alex D.
Scientifically Identifying Minerals?
7
evin likes rocks
13360
Sep 02, 2017 07:01lluis
Can you identify this 'hedgehog'?
5
Steve Cole
11268
Aug 18, 2017 22:32Roger Warin
Oddities from Brandberg, Namibia
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70
Pierre Joubert
118191
Aug 16, 2017 10:48Pierre Joubert
Black or very dark background?
6
John S. White
12355
Aug 16, 2017 04:21Pierre Joubert
Ex so and so’s collection
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26
John S. White
36905
Aug 15, 2017 17:34Turbo
Erionite and cancer
6
James Catmur
12350
Aug 07, 2017 11:42cascaillou
Mannardite and Ankangite
4
BHmineral
8955
Aug 04, 2017 02:59marco campos-venuti
Calcite seen at Sainte-Marie-aux-Mines Show 2017
3
Jordi Fabre
7217
Aug 01, 2017 03:09Roger Warin
"Chrome" / yellow cerussite. Colour causing mechanisms.
1
Peter Olubas
6631
Jul 14, 2017 10:37Jordi Fabre
Tobermorite gets a mention on the BBC!
2
James Catmur
8903
Jul 05, 2017 12:00Peter Lemkin
Struggling to identify the green mineral
13
Joanna89
24007
Jul 01, 2017 13:10lluis
Quartz, Natural and Synthetic
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47
Elise
141677
Jun 29, 2017 08:14Jamison Brizendine
Trigonic Terminated Tourmaline?
2
texasdigger
8149
Jun 22, 2017 02:10lluis
Olivine gem from asteroid
0
Roger Warin
6057
Jun 10, 2017 16:21Roger Warin
Vivianite Oxidation
2
evin likes rocks
7273
May 26, 2017 10:57evin likes rocks
Cause of Blue, Green and Blue/Green Coloration of Cookeite
4
daviddillman
9497
May 03, 2017 18:02Ed Huskinson
N'Chwaning 1, 2, 3, Hotazel, Wessels - do you really care?
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22
bob kerr
30407
Mar 02, 2017 01:24Pierre Joubert
Montroydite from Terlingua, Texas
10
Tom Tucker
17974
Feb 23, 2017 16:33cascaillou
Negative crystals and their formation
7
Donn C.
14328
Feb 12, 2017 17:01John Jaszczak
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