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Measuring mineral specimens
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15
Pierre Joubert
24246
Feb 03, 2013 08:41cascaillou
New Amazonian Tourmaline find...
8
Chris Foltz
15907
Jan 30, 2013 06:00clark5901
Needlle-like columbite-(Mn)
4
Roger Warin
8353
Jan 24, 2013 11:54alfredo
Rutile? inclusions in topaz
12
Pete Richards
24124
Jan 24, 2013 08:22Riccardo Modanesi
Magnetic LIZARDITE?
12
Josele
30470
Jan 21, 2013 10:18Josele
Strange Tourmaline formation containing a straw like channel
4
MSrockhound
11192
Jan 12, 2013 20:02Josele
Realgar changes into Pararealgar or Orpiment?
6
wade
14575
Jan 06, 2013 17:48cascaillou
What do you do with old Min Records?
2
bob kerr
7536
Jan 03, 2013 02:37rahul12
Mineral identification using a blowpipe
6
Elise
12816
Dec 31, 2012 12:28cascaillou
Moved: Mineral ice specimen
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19
Paul S
10135
Dec 21, 2012 15:41Carl
Siderite - maybe
9
Peter Perkins
13678
Nov 30, 2012 08:49Jordi Fabre
Natural Bismuth Crystals
4
trtlman
11075
Nov 25, 2012 11:12alfredo
Selective etching of fluorite crystal faces
8
Ru Smith
14059
Nov 20, 2012 23:44Ru Smith
How did this ore body form?
3
Chris Foltz
7515
Nov 18, 2012 17:08Chris Foltz
Calcite (Specimen No2)
1
Peter Perkins
5931
Nov 18, 2012 12:58Pete Richards
Calcite
2
Peter Perkins
6731
Nov 18, 2012 04:51Peter Perkins
Sphalerite - Ferroan Sphalerite or "Marmatite"?
2
Peter Perkins
6007
Nov 17, 2012 13:31Jordi Fabre
Basal pinacoid
6
John Betts
9682
Nov 15, 2012 16:04Antonio Alcaide
Parahopeite? Specimen
2
Cecil Bankston
7160
Nov 15, 2012 09:05Les Presmyk
A growth conundrum
8
Elise
12885
Nov 14, 2012 22:06Elise
Hisingerite? Specimen
7
Cecil Bankston
11449
Nov 14, 2012 17:28Cecil Bankston
How can I remove the feldspar from Schorl?
3
Pierre Joubert
7600
Nov 13, 2012 12:18Pierre Joubert
Need some help with identification
6
levitate
12172
Nov 06, 2012 15:18Pete Modreski
Tantara (RDC) pseudomorphs from "2011": after calcite?
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16
valere
33082
Nov 03, 2012 19:58Nico78
Mica Twins
13
Ru Smith
38151
Nov 03, 2012 16:08Ru Smith
Agates
8
Thomps
19151
Oct 30, 2012 04:52liza
What is this strange glass like mineral I found?
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15
thedude1994
26354
Oct 29, 2012 17:54supertxango
Moved: Calcite????
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15
Pierre Joubert
11011
Oct 26, 2012 03:50Pierre Joubert
What do I have here?
8
travelller
17279
Oct 25, 2012 23:47John Oostenryk
Help with my Swiss cheese please?
1
randolph
6550
Oct 19, 2012 14:33Riccardo Modanesi
Questions about Beryl
12
norbie
25010
Oct 06, 2012 12:09Riccardo Modanesi
Is the natural green quartz actually a leek green color
14
Idahorocks
47007
Oct 04, 2012 08:00Riccardo Modanesi
How are Miller Indices related stereographic projections? (am I on right track?)
13
ssss
26030
Sep 21, 2012 09:15prcantos
Break open or not?
1
Cyndi
7044
Sep 15, 2012 15:19Cyndi
Feeling crippled by ignorance...
5
Alisha
12329
Sep 12, 2012 01:10nurbo
Pyrite disease
7
perrush
19389
Sep 11, 2012 01:58James Catmur
Need help verifying and valuing this mineral
6
justomstuff
11623
Sep 08, 2012 07:40Riccardo Modanesi
Is it is,or is it aint?
3
paulybrina
11445
Sep 07, 2012 03:45paulybrina
Differences between quartzite and segregation quartz
0
prcantos
8017
Aug 23, 2012 05:50prcantos
Calcite green fluorescence activator
6
Josele
12821
Aug 07, 2012 16:50Josele
About granite!
4
elgreba
10010
Jul 24, 2012 04:33Riccardo Modanesi
Black 'Helvite' from China
6
Jolyon Ralph
11922
Jul 19, 2012 22:43alfredo
Hematite/Magnetite polarity
11
Crystalr0se
23298
Jun 30, 2012 19:43Josele
Does schorl tourmaline weather away in topical weather?
4
tropicstones
9047
Jun 28, 2012 16:13Luiz Menezes
Question about magnetite
4
trtlman
9450
Jun 25, 2012 06:35Nick Zakzuk
A short question on Epitaxy
10
nurbo
18531
Jun 24, 2012 10:52Jordi Fabre
Moved: Maximum number of minerals on a specimen
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20
David
10864
Jun 08, 2012 22:36Doug
Chalcopyrite epitaxic on Tetrahedrite
1
Matt_Zukowski
7858
Jun 05, 2012 08:03Pete Richards
Yellow octahedral fluorite crystals
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16
John S. White
29153
Jun 04, 2012 04:00Duncan Miller
Could you please help me to search details about this speciment
8
surendra
14775
May 29, 2012 12:25Pete Modreski
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