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Author
Views
Last Post
Color and Fluorescence of Weardale Fluorite
14
Jesse Fisher
33100
Apr 12, 2014 05:09Mike Wood
Optical effects
1
Roger Warin
5281
Apr 12, 2014 04:27Mike Wood
Solubility of glaserite or aphthitalite?
3
Xhou
8212
Apr 11, 2014 04:21cascaillou
Looking for tinticite for mineralogical studies
3
Martin Rich
6598
Apr 08, 2014 14:43Martin Rich
Moved: Daylight Fluorescent Hyalite Opal from Mexico
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30
Peter Megaw
10601
Mar 28, 2014 21:55Clifford Trebilcock
Calcite crystals of the Faraday Mine
1
John Nash
5862
Mar 27, 2014 10:56Pete Richards
Hematite - Fibrous vs. Needle vs Pencil
1
metwerks
5611
Mar 25, 2014 15:36Michael Shaw
Collecting fluorites
3
headstashcrystals
8820
Mar 21, 2014 04:01Jordi Fabre
Article on nucleation and crystallization of Naica in Chem Soc Rev
1
Jordi Fabre
6191
Mar 18, 2014 05:22gemlover
Bicolor Haüyne?
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15
Josele
26259
Mar 11, 2014 21:21Martin Rich
Rockhounding Washington and Oregon?
3
BassTurdo
10451
Mar 10, 2014 20:39Bob Jackson
Question about a tourmaline
2
headstashcrystals
6837
Mar 07, 2014 08:50Michael Shaw
Calcite and Oyelite from N'Chwaning
10
Pierre Joubert
15256
Feb 22, 2014 12:03Pierre Joubert
Naturally healed / Growth healed Brookite crystal
0
Rizwan
5573
Feb 22, 2014 07:00Rizwan
About the color of the brookite
0
stef4412
5380
Feb 20, 2014 16:37stef4412
Help identifying...Baryte, Calcite, Sphalerite...Pyrite?
6
lidaasteria
11936
Feb 19, 2014 18:29stef4412
Black dogtooth calcite? (oil)
7
lidaasteria
12635
Feb 18, 2014 12:28lidaasteria
Sphalerite from Tennessee?
2
filderstone
6860
Feb 10, 2014 10:27Jesse Fisher
Spath perlé (or pearl spar).
1
Roger Warin
5425
Feb 10, 2014 05:14Andreas Gerstenberg
Kipawa specimen
4
Maxilos
10338
Feb 06, 2014 18:45Mark Ost
Black adularia in limestone
11
prcantos
16078
Feb 05, 2014 18:58newryqs
Moved: Home Grown Crystals
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39
Screenname
10088
Jan 21, 2014 14:26trtlman
Moved: Tetrahedron [111] penetration twin
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16
Josele
10264
Jan 08, 2014 05:18chrisjacob
Color change minerals
6
Roger Warin
10693
Jan 07, 2014 02:53Roger Warin
Moved: Euclase, an equant crystal
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26
Roger Warin
10100
Jan 06, 2014 17:28Roger Warin
Chinese cinnabar
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17
Tracy
29902
Jan 04, 2014 07:51Jordi Fabre
Epitaxy: rutile upon hematite
4
Roger Warin
9757
Jan 03, 2014 09:51Jordi Fabre
Euheudral equant crystals
12
Roger Warin
24246
Dec 30, 2013 01:40Roger Warin
Garnet
3
Viktorian
10983
Dec 26, 2013 21:00Mark Beregszaszi
A bit of heaven
10
Roger Warin
16741
Dec 24, 2013 10:51Rodney B Jackson
Topaz color question
13
Carrington
31489
Dec 20, 2013 14:35Ed Huskinson
Goethite pseudomorphs after pyrites - trace elements???
13
Gregory Yount
34158
Dec 17, 2013 05:24zar24
Magnetism
3
jonas winslo
7905
Dec 05, 2013 17:21Roger Warin
Asterism
0
Roger Warin
5554
Dec 05, 2013 02:52Roger Warin
Hexagonal green crystal
7
brent
13305
Dec 01, 2013 07:09Mike Wood
Magnetite as pseudomorphs of Garnet? Blue River Skarn, Russia
0
bugrock
5786
Nov 28, 2013 00:55bugrock
Mining Sapphire question
8
Hugh Cronic
14914
Nov 17, 2013 21:58Paul Biehler
Beautiful chlorite (?) phantomed quartz that needs locality information
7
Peter Megaw
15378
Nov 17, 2013 18:25Herman van Dennebroek
Gem minerals and the upcoming GSA meeting in Denver
2
Elise
8553
Nov 14, 2013 01:05Duncan Miller
Looking Pietersite Info
1
Hugh Cronic
12697
Nov 07, 2013 12:43alfredo
Moved: "What's in a name?" - thoughts on the subject of provenance
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28
Tracy
10327
Nov 06, 2013 15:20alfredo
Virgin and Child association, a remarkable aesthetic result.
1
Roger Warin
6479
Nov 03, 2013 17:57keldjarn
Anatase or something else?
5
Scott LaBorde
9346
Oct 29, 2013 08:00Herman van Dennebroek
Question about the general age of a quartz
4
centavar
8932
Oct 24, 2013 15:54cascaillou
Etched morganite from Brazil
11
appies
21808
Oct 24, 2013 08:00cascaillou
Pyrite Sun Iridescent
11
geoalfon
23657
Oct 23, 2013 21:34cascaillou
The rarest twin of calcite, a Chinese specimen
4
Roger Warin
10414
Oct 06, 2013 11:12gemlover
Galena "homoepitaxy"
2
Ru Smith
7908
Sep 29, 2013 23:05Ru Smith
New find:skeletal pyrite
2
appies
8561
Sep 27, 2013 13:28appies
Leifite, a very rare silicate
7
Roger Warin
13337
Sep 26, 2013 16:58Roger Warin
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