Topics
Replies
Author
Views
Last Post
Calcite crystals of the Faraday Mine
1
John Nash
5457
Mar 27, 2014 10:56Pete Richards
Hematite - Fibrous vs. Needle vs Pencil
1
metwerks
5227
Mar 25, 2014 15:36Michael Shaw
Collecting fluorites
3
headstashcrystals
8213
Mar 21, 2014 04:01Jordi Fabre
Article on nucleation and crystallization of Naica in Chem Soc Rev
1
Jordi Fabre
5770
Mar 18, 2014 05:22gemlover
Bicolor Haüyne?
[ Goto page: 1 , 2 ]
15
Josele
24736
Mar 11, 2014 21:21Martin Rich
Rockhounding Washington and Oregon?
3
BassTurdo
9695
Mar 10, 2014 20:39Bob Jackson
Question about a tourmaline
2
headstashcrystals
6350
Mar 07, 2014 08:50Michael Shaw
Calcite and Oyelite from N'Chwaning
10
Pierre Joubert
13679
Feb 22, 2014 12:03Pierre Joubert
Naturally healed / Growth healed Brookite crystal
0
Rizwan
5177
Feb 22, 2014 07:00Rizwan
About the color of the brookite
0
stef4412
4985
Feb 20, 2014 16:37stef4412
Help identifying...Baryte, Calcite, Sphalerite...Pyrite?
6
lidaasteria
11087
Feb 19, 2014 18:29stef4412
Black dogtooth calcite? (oil)
7
lidaasteria
11694
Feb 18, 2014 12:28lidaasteria
Sphalerite from Tennessee?
2
filderstone
6425
Feb 10, 2014 10:27Jesse Fisher
Spath perlé (or pearl spar).
1
Roger Warin
5000
Feb 10, 2014 05:14Andreas Gerstenberg
Kipawa specimen
4
Maxilos
9700
Feb 06, 2014 18:45Mark Ost
Black adularia in limestone
11
prcantos
14000
Feb 05, 2014 18:58newryqs
Moved: Home Grown Crystals
[ Goto page: 1 , 2 , 3 ]
39
Screenname
10088
Jan 21, 2014 14:26trtlman
Moved: Tetrahedron [111] penetration twin
[ Goto page: 1 , 2 ]
16
Josele
10264
Jan 08, 2014 05:18chrisjacob
Color change minerals
6
Roger Warin
9961
Jan 07, 2014 02:53Roger Warin
Moved: Euclase, an equant crystal
[ Goto page: 1 , 2 ]
26
Roger Warin
10100
Jan 06, 2014 17:28Roger Warin
Chinese cinnabar
[ Goto page: 1 , 2 ]
17
Tracy
28647
Jan 04, 2014 07:51Jordi Fabre
Epitaxy: rutile upon hematite
4
Roger Warin
9118
Jan 03, 2014 09:51Jordi Fabre
Euheudral equant crystals
12
Roger Warin
21523
Dec 30, 2013 01:40Roger Warin
Garnet
3
Viktorian
10399
Dec 26, 2013 21:00Mark Beregszaszi
A bit of heaven
10
Roger Warin
14842
Dec 24, 2013 10:51Rodney B Jackson
Topaz color question
13
Carrington
27334
Dec 20, 2013 14:35Ed Huskinson
Goethite pseudomorphs after pyrites - trace elements???
13
Gregory Yount
29772
Dec 17, 2013 05:24zar24
Magnetism
3
jonas winslo
7339
Dec 05, 2013 17:21Roger Warin
Asterism
0
Roger Warin
5211
Dec 05, 2013 02:52Roger Warin
Hexagonal green crystal
7
brent
12423
Dec 01, 2013 07:09Mike Wood
Magnetite as pseudomorphs of Garnet? Blue River Skarn, Russia
0
bugrock
5412
Nov 28, 2013 00:55bugrock
Mining Sapphire question
8
Hugh Cronic
13744
Nov 17, 2013 21:58Paul Biehler
Beautiful chlorite (?) phantomed quartz that needs locality information
7
Peter Megaw
14388
Nov 17, 2013 18:25Herman van Dennebroek
Gem minerals and the upcoming GSA meeting in Denver
2
Elise
8085
Nov 14, 2013 01:05Duncan Miller
Looking Pietersite Info
1
Hugh Cronic
12291
Nov 07, 2013 12:43alfredo
Moved: "What's in a name?" - thoughts on the subject of provenance
[ Goto page: 1 , 2 ]
28
Tracy
10327
Nov 06, 2013 15:20alfredo
Virgin and Child association, a remarkable aesthetic result.
1
Roger Warin
6086
Nov 03, 2013 17:57keldjarn
Anatase or something else?
5
Scott LaBorde
8658
Oct 29, 2013 08:00Herman van Dennebroek
Question about the general age of a quartz
4
centavar
8355
Oct 24, 2013 15:54cascaillou
Etched morganite from Brazil
11
appies
19708
Oct 24, 2013 08:00cascaillou
Pyrite Sun Iridescent
11
geoalfon
21514
Oct 23, 2013 21:34cascaillou
The rarest twin of calcite, a Chinese specimen
4
Roger Warin
9841
Oct 06, 2013 11:12gemlover
Galena "homoepitaxy"
2
Ru Smith
7412
Sep 29, 2013 23:05Ru Smith
New find:skeletal pyrite
2
appies
8082
Sep 27, 2013 13:28appies
Leifite, a very rare silicate
7
Roger Warin
12371
Sep 26, 2013 16:58Roger Warin
Hemimorphite from Ojuela mine or Santa Eulalia??
3
herrej
7737
Sep 26, 2013 10:59herrej
Color Change in Tourmaline
5
Matt_Zukowski
13182
Sep 22, 2013 11:03Mark Ost
Shocked quartz, what is it?
3
Roger Warin
18761
Sep 18, 2013 15:26Roger Warin
Real examples for 'glide reflection' twins?
1
prcantos
6267
Sep 05, 2013 13:08Pete Richards
Pyrrhotite and the Origins of Life
9
Cesar M. Salvan
21013
Aug 30, 2013 19:43newryqs
Display topics from previous: All Topics 1 Day 7 Days 2 Weeks 1 Month 3 Months 6 Months 1 Year