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Last Post
How did this form?
2
Sally M
168
May 19, 2013 13:46Mark Ost
Cassiterite?
2
Sally M
170
May 19, 2013 13:35Carles Millan
Mineral Specimen from a Geologist's estate
9
Sally M
673
May 16, 2013 11:58cascaillou
More ids from the geologist's collection
19
Sally M
1058
May 15, 2013 13:12Mike Wood
Cerussite with...?
4
BHmineral
605
May 05, 2013 09:01BHmineral
Rose quartz, aquamarine and possibly heliodor
4
steven calamuci
565
Apr 29, 2013 17:40steven calamuci
I believe these are calcite crystals
10
steven calamuci
1104
Apr 16, 2013 20:35steven calamuci
Wulfenite vs Descloizite with Wulfenite, Mina Ojuela, Mapimi, Dgo, Mexico
3
Jean Sendero
841
Apr 16, 2013 17:31Jordi Fabre
Waterclear mineral from Nepal?
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39
Josele
5814
Apr 14, 2013 19:59Josele
I have very little idea what any of them are
5
nurbo
737
Apr 14, 2013 04:35Peter Perkins
Sphalerite from Zacatecas Mexico?
7
Luis Domínguez
976
Apr 11, 2013 07:07Peter Megaw
Location input
4
vic rzonca
610
Apr 07, 2013 09:28Luiz Menezes
Probably Idarado Mine, Telluride, CO Quartz/Calcite Combos
3
GneissWare
678
Apr 02, 2013 12:15Jordi Fabre
What is it?
10
wade
4311
Apr 01, 2013 23:37Perritovm
Locality for Mexican vanadinite
3
Edelmin
1838
Mar 29, 2013 23:42Barry M
What is it?
12
BChpman
1162
Mar 27, 2013 15:47Mark Ost
Unknown Mineral - need help
19
glenngregor
2912
Mar 23, 2013 14:50Donald P
Pyrite nodules and stalactites, have you seen these from Peru?
3
Joe Polityka
675
Mar 16, 2013 12:17Jordi Fabre
Green Quartz
17
nurbo
2504
Mar 11, 2013 11:00bugrock
Bluish Green & soft
5
benchambers
861
Mar 11, 2013 04:34supertxango
Reddish brown waxy mineral- AZ, USA
4
benchambers
861
Mar 03, 2013 16:40benchambers
Example of what "Pillow-lava metabasite"?
3
Rizwan
674
Mar 03, 2013 14:22Jean Sendero
What kind of granite is it?
11
mihailovici79
1598
Mar 01, 2013 20:13GneissWare
Peridot and Moonstone together?
13
pub1tzu
1397
Mar 01, 2013 19:20Tracy
Unknown from Kruchev dol mine
6
crosstimber
865
Feb 25, 2013 15:16GneissWare
a couple of uncertainties
1
nurbo
506
Feb 25, 2013 04:56Jordi Fabre
Purple Fluorite from Mexico
3
GneissWare
802
Feb 23, 2013 10:52GneissWare
Trap-rock from?
0
prcantos
458
Feb 22, 2013 13:10prcantos
Garnet peridotite from???
7
prcantos
1143
Feb 19, 2013 08:29Riccardo Modanesi
Unakite samples without locality
0
prcantos
461
Feb 18, 2013 15:11prcantos
Possible altered beryl?
2
mihailovici79
771
Feb 06, 2013 13:18mihailovici79
Wulfenite from Tiger (Mammoth-St. Anthony Mine) Arizona
3
GneissWare
863
Feb 04, 2013 01:58keldjarn
What kind of rock it is?
16
mihailovici79
1413
Feb 03, 2013 08:41prcantos
Jamesonite/Boulangerite
10
Peter Perkins
1934
Feb 02, 2013 03:44Peter Perkins
Unknown copper ore
5
mihailovici79
756
Feb 01, 2013 11:53mihailovici79
Staurolite from Morbihan (France)?
0
prcantos
532
Jan 30, 2013 08:38prcantos
Sulfur - Sicily
2
Roger Warin
759
Jan 29, 2013 17:12Roger Warin
Baryte? from North Yorkshire
4
nurbo
813
Jan 25, 2013 01:37nurbo
Some unknown minerals from the Roggeveld and Ceres area- Western Cape SA
17
Pierre Joubert
2550
Jan 20, 2013 12:36Pierre Joubert
Wulfenite? p1
3
Trippss
791
Jan 18, 2013 19:19Trippss
What type of mica group this belongs to?
7
Rizwan
1046
Jan 18, 2013 10:07cascaillou
What is it? - I find it in a old mine
3
aris28vol
1109
Jan 17, 2013 13:11Trippss
Tenorite? (Milpillas, Cananea MX)
0
Cascavel1
581
Jan 10, 2013 17:15Cascavel1
Bronzite ?
16
Chris Foltz
2206
Jan 01, 2013 19:44Chris Foltz
Hot Pink unknown mineral
7
John Betts
1612
Dec 17, 2012 11:06lluis
What is the mineral?
9
osman khattak
1800
Dec 10, 2012 09:41lluis
Pink & Gray Marble? What is this?
7
dasspinster
1629
Dec 04, 2012 22:56Chris Foltz
What`s these?? It's carneol?
9
mihailovici79
1600
Dec 03, 2012 18:36dasspinster
What can it be?
6
mihailovici79
1290
Dec 02, 2012 09:36lluis
What is it? - White crystals on rock
1
aris28vol
749
Dec 02, 2012 06:01supertxango
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