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Last Post
Identity or locality of this dense, spherulitic mineral?
2
Pete Modreski
91
Apr 19, 2018 15:40Dale Hallmark
What kind of rock am I ? volcanic with blue pockets
6
Rockhound.newmexico
357
Apr 17, 2018 11:03Pete Modreski
Great website on Quartz and all Quartz growth variants!
1
Peter Lemkin
810
Apr 12, 2018 05:55kristy
Minerals of DR Congo, Katanga.
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24
Roger Warin
7489
Mar 27, 2018 15:30Roger Warin
Central Massif of Picos de Europa, Asturias
9
Gagat Minerals
1052
Mar 19, 2018 09:22Gagat Minerals
San Benito County
9
Roger Warin
1212
Mar 18, 2018 11:59JohnVeevaert
Stellerite from Mali
2
Gagat Minerals
536
Mar 18, 2018 07:51Gagat Minerals
Percentage of pigment
6
Tom Mazanec
755
Mar 15, 2018 05:54Tom Mazanec
Silver and Actinolite from Bou Azer, Morocco
13
Wiley Hudson
1369
Mar 13, 2018 12:32Bob Carnein
A new find: Hoganite from Morocco
17
Manuel Mesa
2437
Feb 28, 2018 12:52alfredo
Collecting focuses and how they can change
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22
Tobi
5668
Jan 20, 2018 02:00Andreas Gerstenberg
Minerals and the Origins of Life: the key roles of apatite and struvite
9
Cesar M. Salvan
4422
Jan 12, 2018 00:40Peter Lemkin
Percentage of minerals known
11
Tom Mazanec
2098
Jan 08, 2018 12:02kakov
Minerals sans life
15
Tom Mazanec
2734
Jan 06, 2018 18:38Jordi Fabre
Prospecting pegmatite for schorl: need help.
8
cascaillou
1928
Dec 14, 2017 14:11cascaillou
"Frosted patterns" on the faces of Quartz
9
Reef
1942
Nov 30, 2017 06:46Pierre Joubert
Mineral names in different languages and their meaning
16
Tobi
3014
Nov 21, 2017 15:22Pete Richards
Rarest quartz twins with inclined axes C
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38
Reef
7029
Nov 21, 2017 11:20Reef
Questions about microcline
6
Josele
1542
Nov 20, 2017 17:35Josele
Information about a Rhodochrosite specimen
3
Charlotte
1291
Nov 19, 2017 09:30John Cornish
Weird face in quartz
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21
Josele
8138
Nov 15, 2017 12:55Pierre Joubert
Fluorite habit
5
Josele
1618
Nov 05, 2017 14:49Pete Richards
Help with identification of rock/mineral
6
Mineralien
1514
Oct 23, 2017 13:33Pete Modreski
Alfredopetrovite
10
Jordi Fabre
2612
Oct 21, 2017 16:09Don Lum
Quartz Inclusions
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22
Roger Warin
8078
Oct 16, 2017 13:59zbhjzm
Is Kambaba Jasper a Stromatolite?
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22
Stone Mania
4357
Oct 14, 2017 03:41Stone Mania
Mineral oddities.....well sort of!
2
Bob Harman
1249
Sep 30, 2017 22:43Peter Lemkin
Blue celestine from Madagascar
4
Bob Harman
1460
Sep 29, 2017 16:35kushmeja
How common is pyrite disease?
6
protium
1556
Sep 20, 2017 19:17Pete Richards
Cause of coloration in green fluorite
12
protium
2463
Sep 18, 2017 15:08Roger Warin
interpretation of a geological map
13
Alex D.
2759
Sep 13, 2017 22:40Alex D.
Scientifically Identifying Minerals?
7
evin likes rocks
2207
Sep 02, 2017 07:01lluis
Can you identify this 'hedgehog'?
5
Steve Cole
1789
Aug 18, 2017 22:32Roger Warin
Oddities from Brandberg, Namibia
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70
Pierre Joubert
43645
Aug 16, 2017 10:48Pierre Joubert
Black or very dark background?
6
John S. White
1737
Aug 16, 2017 04:21Pierre Joubert
Ex so and so’s collection
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26
John S. White
6004
Aug 15, 2017 17:34Turbo
Erionite and cancer
6
James
2148
Aug 07, 2017 11:42cascaillou
Mannardite and Ankangite
4
BHmineral
1487
Aug 04, 2017 02:59marco campos-venuti
Calcite seen at Sainte-Marie-aux-Mines Show 2017
3
Jordi Fabre
1353
Aug 01, 2017 03:09Roger Warin
"Chrome" / yellow cerussite. Colour causing mechanisms.
1
Peter Olubas
1351
Jul 14, 2017 10:37Jordi Fabre
Public mining in Oaxaca, Mexico
12
ancientmttreasures
5334
Jul 12, 2017 04:06James
Tobermorite gets a mention on the BBC!
2
James
1462
Jul 05, 2017 12:00Peter Lemkin
Struggling to identify the green mineral
13
Joanna89
3357
Jul 01, 2017 13:10lluis
Quartz, Natural and Synthetic
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47
Elise
44768
Jun 29, 2017 08:14Jamison Brizendine
Trigonic Terminated Tourmaline?
2
texasdigger
1488
Jun 22, 2017 02:10lluis
Olivine gem from asteroid
0
Roger Warin
1312
Jun 10, 2017 16:21Roger Warin
Vivianite Oxidation
2
evin likes rocks
1460
May 26, 2017 10:57evin likes rocks
Cause of Blue, Green and Blue/Green Coloration of Cookeite
4
daviddillman
2030
May 03, 2017 18:02Ed Huskinson
N'Chwaning 1, 2, 3, Hotazel, Wessels - do you really care?
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22
bob kerr
6824
Mar 02, 2017 01:24Pierre Joubert
Montroydite from Terlingua, Texas
10
Tom Tucker
3769
Feb 23, 2017 16:33cascaillou
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