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Are there pyrite balls found in Verzino?
7
Dany Mabillard
1647
Jul 12, 2025 00:49Herwig
Treatments, Synthetics and Simulants: FLUORITE
0
cascaillou
6751
Mar 11, 2025 11:02cascaillou
An interesting Colorado "Gold Specimen" Story
1
bob kerr
6300
Jun 19, 2024 10:14Peter Megaw
Does this high end amethyst/calcite piece seem artificially altered? I can’t work it out.
7
Ning
8958
Feb 14, 2024 06:54Ning
Possible Fake: Blue Hemimorphite from Ojuela
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41
Ibrahim Jameel
83396
Dec 31, 2023 13:23alfredo
Fake chrysocollas from Congo
0
FMF Forum
26376
Jun 13, 2023 10:19FMF Forum
Does Citrine Occur Naturally as a Geode?
11
Stone Mania
20447
May 25, 2023 15:40Jordi Fabre
Interesting fake Cavansite
3
Joseph DOliveira
16517
Feb 01, 2023 22:09alfredo
Blue herderites? from Badakhshan Afghanistan?
4
Christophe Gobin
21715
Mar 25, 2022 00:19Christophe Gobin
Goethite from Imini mine (Morocco)
0
Cesar M. Salvan
25675
Mar 13, 2022 14:57Cesar M. Salvan
Aura Coating
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15
AleaBankston
35864
Jun 06, 2021 14:38Riccardo Modanesi
Is there Proof of Kobyashevite Fakes?
5
rgangue
27209
Sep 23, 2020 11:59Dan Kniffin
Please help! Is this "Ocean Jasper" Real or Dyed/Fake/Enhanced?
14
Garret
46337
Sep 12, 2020 15:22Garret
Fake Colombian Emeralds
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35
Fiebre Verde
103003
Dec 14, 2019 11:24John Betts
Opinions appreciated....Citrine or glass?
6
AmyinTX
23860
Nov 30, 2019 03:03James Catmur
Specimens incorrectly labeled Bravoite coating Pyrite from Colorado
11
John S. White
54077
Nov 23, 2019 07:55Mathias
Milpillas "Electric Blue" Azurites AND Malachites - Natural or Chipped?
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20
bob kerr
57771
Aug 07, 2019 17:26Birdbrain59
Are there any Sicilian Sulphur fakes still around?
12
Bob Harman
29800
Jun 09, 2019 09:46Bob Harman
Specimens from near the Coronel Manuel Rodriguez Mine, Chile
11
Kevin Conroy
27483
Jun 02, 2019 16:55Kevin Conroy
Irradiated fluorite from China?
5
Pierre Joubert
20808
Jan 07, 2019 15:59Joseph DOliveira
The intense oiling of Chinese minerals
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16
nitana2000
54274
Dec 09, 2018 13:34Gary White
Who to trust with gemstone identification? Are some gemologists better than others?
11
Adrian August
27379
Sep 09, 2018 10:10LeadMineGal
Fake specimens from the Erongo and Brandberg region.
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23
Pierre Joubert
47148
May 04, 2018 09:31Pierre Joubert
Iron Man
7
vic rzonca
20482
Aug 28, 2017 07:57vic rzonca
Tanzanite?
6
Harald
19042
Aug 02, 2017 22:31SteveB
Quarter million fake Tourmaline cluster.
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19
texasdigger
34648
May 22, 2017 11:36markbeckett
Please help me identify if these are fake or treated
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16
TomS
36434
Feb 09, 2017 22:10Bob Harman
Treatments, Synthetics and Simulants: QUARTZ & CHALCEDONY
3
cascaillou
20654
Dec 20, 2015 20:34cascaillou
Fake silver crystals Morocco
1
Christophe Gobin
13888
Nov 24, 2015 03:59Jordi Fabre
Chinese "Hydrozincite" specimens?
4
Barry Vincent
16624
Oct 08, 2015 03:23Jordi Fabre
Bismutoferrite from China...Caveat Emptor
3
Peter Megaw
15123
May 31, 2015 18:56alfredo
Milpillas Azurite - fake specimen
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27
Cascavel1
70747
Dec 04, 2014 09:47Cascavel1
Huanggang Mine scheelite color
11
Josele
27495
Jul 21, 2014 17:48GneissWare
Scorodite from Ojuela Mine, Mapimí, Durango... Sulfur Isotope results
5
Peter Megaw
21509
Feb 08, 2014 11:16Peter Megaw
Goethite -not cacoxenite- inclusions in amethyst from Brazil
10
Antonio Alcaide
54900
Jan 22, 2014 10:45cascaillou
Why an organic substance should not be called a mineral?
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18
Mike P.
49201
Oct 12, 2013 18:46cascaillou
Perfect replicas of natural crystals?
4
David
17818
May 20, 2013 19:46Josele
What is it?
10
wade
33092
Apr 01, 2013 22:37Perritovm
Azeztulite - Himalaya gold ????
7
Kristen
26609
Sep 12, 2012 08:41Pierre Joubert
The bismuth eggs are they a home grow?
4
trtlman
28167
Jul 12, 2012 12:52Urza
Palladium-rich gold from Icabaru, Venezuela
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24
Cesar M. Salvan
86107
Jul 06, 2012 15:26Leza Junnila
Amethyst Black Agate Sphere
7
thehippi
27909
Jun 05, 2012 14:49cascaillou
Blue Barytes from Baia Sprie (Felsobanya) Mine, Romania
14
GneissWare
47484
Apr 11, 2012 22:07nicu
A fake Chinese cinnabar disclosed
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30
Carles Millan
72555
Jan 21, 2012 06:14Riccardo Modanesi
Detecting Filling with Polymers
3
daviddillman
14232
Jan 06, 2012 12:24cascaillou
List of synthetics and artificial compounds
4
cascaillou
23602
Nov 27, 2011 23:20cascaillou
Hollow Galena from Madan, Bulgaria
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17
Jessica Simonoff
51234
Jan 05, 2011 13:38Darren
Are These All Correct?
5
Screenname
20427
May 28, 2010 19:54Screenname
"Red Quartz" and "Celestite"?
1
Jordi Fabre
10958
May 04, 2010 10:27Debbie Woolf
Loliondo spessartine garnet fakes
5
Duncan Miller
16195
Apr 13, 2010 14:08Carles Millan
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