| View previous topic :: View next topic |
| Author |
Message |
Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 4137
Location: Barcelona
|
 Posted: Oct 23, 2010 17:31 Post subject: A mineralogical trip through the states of USA - Arkansas |
|
|
Arkansas the "Natural State"
| Description: |
Rutile (twinned)
Magnet Cove, Hot Springs County, Arkansas, USA
Specimen size: 2.6 × 2.4 × 2.9 cm.
Mined about 1956
Former Folch Collection
Photo: Reference Specimens
The perfect cyclic twin! From the classic Magnet Cove locality. |
|
| Viewed: |
22377 Time(s) |
|
|
|
| Back to top |
|
 |
rweaver
Joined: 13 Apr 2009
Posts: 182
Location: Ridgecrest, California
|
| Posted: Oct 23, 2010 17:54 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
Former collection of Marion Godshaw
| Description: |
Cinnabar
Lake Greeson, Pike Co., Arkansas, USA
5.0 x 5.5 cm |
|
| Viewed: |
22354 Time(s) |
|
|
|
| Back to top |
|
|
Antonio Alcaide
Site Admin
Joined: 23 Aug 2009
Posts: 314
Location: Spain
|
| Posted: Oct 23, 2010 18:39 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
An Arkansas classic!! Wavellite of course.
Regards.
| Description: |
Wavellite
De Linde Pits, Dug Hill, Avant, Garland Co., Arkansas, USA
7,5 x 5 cm.
Wavellite on limestone matrix. |
|
| Viewed: |
22356 Time(s) |
|
| Description: |
Wavellite
De Linde Pits, Dug Hill, Avant, Garland Co., Arkansas, USA
Close up of the previous piece. |
|
| Viewed: |
22372 Time(s) |
|
_________________
Life is the shortest crystal |
|
| Back to top |
|
|
Peter Megaw
Site Admin
Joined: 13 Jan 2007
Posts: 818
Location: Tucson, Arizona
|
| Posted: Oct 23, 2010 20:05 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
Can't go to Arkansas without checking out the quartz!!!
| Description: |
Quartz
Montgomery Co., Arkansas, USA
75 cm
Monster 75 cm group |
|
| Viewed: |
22325 Time(s) |
|
_________________
Siempre Adelante! |
|
| Back to top |
|
|
crosstimber
Site Admin
Joined: 30 Apr 2008
Posts: 1284
Location: Oklahoma
|
| Posted: Oct 29, 2010 08:36 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
The mines at Rush Arkansas produced a wonderful array of minerals including this smithsonite pseudomorphing dolomite. 6 x 7.5 cm.
| Description: |
Smithsonite pseudomorphing dolomite
Rush, Arkansas, USA
6 x 7.5 cm. |
|
| Viewed: |
22150 Time(s) |
|
|
|
| Back to top |
|
|
Pete Richards
Site Admin
Joined: 29 Dec 2008
Posts: 607
Location: Northeast Ohio
|
| Posted: Oct 29, 2010 16:31 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
| crosstimber wrote: | | The mines at Rush Arkansas produced a wonderful array of minerals including this smithsonite pseudomorphing dolomite. 6 x 7.5 cm. |
This post reminded me of some lovely micros I have from there, with bow-tie or dumb-bell shaped crystals. These are distorted crystals without sharp external faces (except at a very small scale), but they preserve the overall morphological symmetry of smithsonite.
| Description: |
Smithsonite,
Rush, Arkansas, USA
Digitally imaged at 40x. Composite of 7 stacked images. |
|
| Viewed: |
22098 Time(s) |
|
| Description: |
Smithsonite,
Rush, Arkansas, USA
Imaged at 12x. |
|
| Viewed: |
22103 Time(s) |
|
_________________
Collecting and studying crystals with interesting habits, twinning, and epitaxy |
|
| Back to top |
|
|
am mizunaka
Joined: 09 Apr 2010
Posts: 1093
Location: California
|
| Posted: Nov 09, 2010 08:53 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
More quartz from Arkansas.
| Description: |
Quartz
Mt. Ida, Montgomery Co., Arkansas, USA
Specimen size 8 x 6 x 5 cm.
Quartz cluster completely rehealed on bottom |
|
| Viewed: |
21927 Time(s) |
|
| Description: |
Quartz var.citrine
Collier Creek Mine, Mt. Ida, Montgomery Co., Arkansas, USA
Specimen size 16 x 8.5 x 7 cm.
Citrine quartz cluster |
|
| Viewed: |
21945 Time(s) |
|
| Description: |
Quartz
McEarl Mine, Garland Co., Arkansas, USA
Specimen size 9.3 x 2.8 cm. |
|
| Viewed: |
21957 Time(s) |
|
| Description: |
Quartz var. faden
Coleman Mine, Garland Co., Arkansas, USA
Specimen size 7.5 x 6.7 cm. |
|
| Viewed: |
21925 Time(s) |
|
|
|
| Back to top |
|
|
Matt_Zukowski
Site Admin
Joined: 10 Apr 2009
Posts: 607
Location: Alaska
|
| Posted: Nov 10, 2010 02:39 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
| I realize we have moved on to AR, but I just want to mention that the benitoite that am mizunaka uses as his icon is just breathtaking.
|
|
| Back to top |
|
|
am mizunaka
Joined: 09 Apr 2010
Posts: 1093
Location: California
|
| Posted: Nov 30, 2010 07:45 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
Another one for Arkansas.
| Description: |
Quartz cluster with a Japan Law Twin.
Mt Ida, Montgomery Co., Arkansas, USA
Specimen size 6.8 x 7.7 x 4 cm. |
|
| Viewed: |
21739 Time(s) |
|
| Description: |
Quartz cluster with a Japan Law Twin.
Mt Ida, Montgomery Co., Arkansas, USA
Crystal size 3.9 x .9 cm.
Double Terminated crystal attached to Twin. |
|
| Viewed: |
21718 Time(s) |
|
|
|
| Back to top |
|
|
GneissWare
Joined: 07 Mar 2008
Posts: 1272
Location: California
|
| Posted: Nov 30, 2010 08:19 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
| am mizunaka wrote: | | Another one [Japan-Law twin] for Arkansas. |
That is an unusual and stunning specimen for the locality! Thanks for sharing!
|
|
| Back to top |
|
|
Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 4137
Location: Barcelona
|
| Posted: May 24, 2011 07:44 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
A wonderful photo for Arkansas from Jean-Marc Johannet, whom kindly gave permision to publish it. Thanks Jean-Marc!
| Description: |
Stilbite with Aegirine
Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
Field of view: 3mm.
Photo & Collection: Jean-Marc Johannet |
|
| Viewed: |
20637 Time(s) |
|
|
|
| Back to top |
|
|
Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 4137
Location: Barcelona
|
| Posted: Apr 05, 2014 14:39 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
One more, quite unusual.
| Description: |
Sphalerite with Chalcopyrite, Calcite and Dolomite
Hoxie, Lawrence County Zinc, Lawrence County, Arkansas, USA
Specimen size: 6.8 × 4 × 3 cm
Main crystal size: 3.2 × 3 cm
Calcite and Dolomite fluorescent under long & short UV
Photo: Reference Specimens |
|
| Viewed: |
15146 Time(s) |
|
|
|
| Back to top |
|
|
Roger Warin
Joined: 23 Jan 2013
Posts: 883
|
| Posted: Apr 05, 2014 16:00 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
This specimen (stilbite with aegirine) is so delicate, I appreciate it.
Roger.
|
|
| Back to top |
|
|
Roger Warin
Joined: 23 Jan 2013
Posts: 883
|
| Posted: Apr 06, 2014 08:58 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
Hi,
Quartz – Japan Law twin, Mt Ida, Arkansas.
15 cm wide.
Roger.
| Description: |
Quartz (Japan Law twin)
Mt Ida, Montgomery Co., Arkansas, USA
15 cm wide |
|
| Viewed: |
14967 Time(s) |
|
|
|
| Back to top |
|
|
GneissWare
Joined: 07 Mar 2008
Posts: 1272
Location: California
|
| Posted: Apr 06, 2014 22:23 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
| Roger Warin wrote: | Hi,
Quartz – Japan Law twin, Mt Ida, Arkansas.
15 cm wide.
Roger. |
NICE!!
|
|
| Back to top |
|
|
Bob Harman
Joined: 06 Nov 2015
Posts: 393
Location: Indiana
|
| Posted: Jun 12, 2016 07:05 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
Found on an Arkansas table several years ago this example was different from all the rest.
| Mineral: | Quartz (Japan Law twin) |
| Locality: | | Wegner Quartz Crystal Mines, Mount Ida, Montgomery County, Arkansas, USA |  |
|
| Dimensions: | specimen is 6.5 cm, largest quartz crystals are 2.5 cm |
| Description: |
| Clay or shale inclusions in quartz. So called blue phantom quartz.The 2 largest crystals are an example of Japan Law twinning. |
|
| Viewed: |
9432 Time(s) |
|
| Mineral: | Quartz (Japan Law twin) |
| Locality: | | Wegner Quartz Crystal Mines, Mount Ida, Montgomery County, Arkansas, USA | |
|
| Dimensions: | specimen is 6.5 cm, Largest quartz crystals are 2.5 cm |
| Description: |
| Shale or clay inclusions in quartz. So called blue phantom quartz. The 2 largest crystals are an example of Japan Law twinning. |
|
| Viewed: |
9444 Time(s) |
|
|
|
| Back to top |
|
|
GneissWare
Joined: 07 Mar 2008
Posts: 1272
Location: California
|
| Posted: Jun 13, 2016 22:17 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
| Very cool piece!
|
|
| Back to top |
|
|
Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 4137
Location: Barcelona
|
| Posted: Jul 30, 2017 06:40 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
A nice rock with an even nicer label ;-)
| Mineral: | Wavellite on Quartz |
| Locality: | | Mauldin Mountain Quarries, Mauldin Mountain, Montgomery County, Arkansas, USA | |
|
| Dimensions: | 7 × 3.2 × 2.9 cm |
| Description: |
Size of the main ball of crystals: 0.6 × 0.6 cm
Former collection of John. S. White |
|
| Viewed: |
6050 Time(s) |
|
| Mineral: | Wavellite on Quartz |
| Locality: | | Mauldin Mountain Quarries, Mauldin Mountain, Montgomery County, Arkansas, USA | |
|
| Dimensions: | Main ball of crystals: 0.6 × 0.6 cm |
| Description: |
| Former collection of John. S. White |
|
| Viewed: |
6055 Time(s) |
|
| Description: |
|
| Viewed: |
6096 Time(s) |
|
|
|
| Back to top |
|
|
Tobi
Joined: 07 Apr 2009
Posts: 2690
Location: Good Old Germany
|
| Posted: Oct 22, 2017 11:08 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
|
|
Not the first (and I guess not the last) clear quartz in this thread ;-)
| Mineral: | Quartz (var. Rock Crystal) |
| Locality: | | Mount Ida, Montgomery County, Arkansas, USA | |
|
| Dimensions: | Specimen height 20,5 cm |
| Description: |
|
| Viewed: |
4948 Time(s) |
|
|
|
| Back to top |
|
|
|
FAQ 
Register
Log in
Forgotten your password?
