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A mineralogical trip through the states of USA - Arkansas
  
  Index -> A mineralogical trip through the states of USA
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Jordi Fabre
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PostPosted: Oct 23, 2010 17:31    Post subject: A mineralogical trip through the states of USA - Arkansas  

Arkansas the "Natural State"




Twinned Rutile - Magnet Cove Hot Springs County Arkansas USA.jpg
 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:  26394 Time(s)

Twinned Rutile - Magnet Cove Hot Springs County Arkansas USA.jpg


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PostPosted: Oct 23, 2010 17:54    Post subject: Re: A mineralogical trip through the states of USA - Arkansas  

Former collection of Marion Godshaw


DSCN0368.JPG
 Description:
Cinnabar
Lake Greeson, Pike Co., Arkansas, USA
5.0 x 5.5 cm
 Viewed:  26375 Time(s)

DSCN0368.JPG


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PostPosted: Oct 23, 2010 18:39    Post subject: Re: A mineralogical trip through the states of USA - Arkansas  

An Arkansas classic!! Wavellite of course.

Regards.



wavellite.JPG
 Description:
Wavellite
De Linde Pits, Dug Hill, Avant, Garland Co., Arkansas, USA
7,5 x 5 cm.
Wavellite on limestone matrix.
 Viewed:  26373 Time(s)

wavellite.JPG



wavellite close up.JPG
 Description:
Wavellite
De Linde Pits, Dug Hill, Avant, Garland Co., Arkansas, USA
Close up of the previous piece.
 Viewed:  26393 Time(s)

wavellite close up.JPG



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PostPosted: 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!!!


McEarlQuartz.jpg
 Description:
Quartz
Montgomery Co., Arkansas, USA
75 cm
Monster 75 cm group
 Viewed:  26329 Time(s)

McEarlQuartz.jpg



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PostPosted: 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.


1645a Smithsonite.jpg
 Description:
Smithsonite pseudomorphing dolomite
Rush, Arkansas, USA
6 x 7.5 cm.
 Viewed:  26152 Time(s)

1645a Smithsonite.jpg


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PostPosted: 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.



Smithsonite 2c.jpg
 Description:
Smithsonite,
Rush, Arkansas, USA
Digitally imaged at 40x. Composite of 7 stacked images.
 Viewed:  26106 Time(s)

Smithsonite 2c.jpg



Smithsonite 2b.JPG
 Description:
Smithsonite,
Rush, Arkansas, USA
Imaged at 12x.
 Viewed:  26125 Time(s)

Smithsonite 2b.JPG



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Collecting and studying crystals with interesting habits, twinning, and epitaxy
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PostPosted: Nov 09, 2010 08:53    Post subject: Re: A mineralogical trip through the states of USA - Arkansas  

More quartz from Arkansas.


QtzArk1.jpg
 Description:
Quartz
Mt. Ida, Montgomery Co., Arkansas, USA
Specimen size 8 x 6 x 5 cm.
Quartz cluster completely rehealed on bottom
 Viewed:  25932 Time(s)

QtzArk1.jpg



CitrineMF.jpg
 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:  25954 Time(s)

CitrineMF.jpg



McEarl.jpg
 Description:
Quartz
McEarl Mine, Garland Co., Arkansas, USA
Specimen size 9.3 x 2.8 cm.
 Viewed:  25976 Time(s)

McEarl.jpg



Faden3.jpg
 Description:
Quartz var. faden
Coleman Mine, Garland Co., Arkansas, USA
Specimen size 7.5 x 6.7 cm.
 Viewed:  25937 Time(s)

Faden3.jpg


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PostPosted: 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.
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PostPosted: Nov 30, 2010 07:45    Post subject: Re: A mineralogical trip through the states of USA - Arkansas  

Another one for Arkansas.


ArkTwin2.jpg
 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:  25752 Time(s)

ArkTwin2.jpg



ArkTwinDT.jpg
 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:  25738 Time(s)

ArkTwinDT.jpg


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PostPosted: 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!
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PostPosted: 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!


Stilbite - Big Rock Quarry_Granite Mountain area_Little Rock_Pulaski Co._Arkansas_USA.jpg
 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:  24641 Time(s)

Stilbite - Big Rock Quarry_Granite Mountain area_Little Rock_Pulaski Co._Arkansas_USA.jpg


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PostPosted: Apr 05, 2014 14:39    Post subject: Re: A mineralogical trip through the states of USA - Arkansas  

One more, quite unusual.


Sphalerite_Chalcopyrite_Calcite - Hoxie,_Lawrence County Zinc_Lawrence County_Arkansas_USA.jpg
 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:  19149 Time(s)

Sphalerite_Chalcopyrite_Calcite - Hoxie,_Lawrence County Zinc_Lawrence County_Arkansas_USA.jpg


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PostPosted: 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.
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PostPosted: 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.



034-Quartz-Japan-twin_R.jpg
 Description:
Quartz (Japan Law twin)
Mt Ida, Montgomery Co., Arkansas, USA
15 cm wide
 Viewed:  18980 Time(s)

034-Quartz-Japan-twin_R.jpg


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PostPosted: 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!!
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PostPosted: 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.


DSC02852.jpg
 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:  13415 Time(s)

DSC02852.jpg



DSC02853.jpg
 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:  13431 Time(s)

DSC02853.jpg


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PostPosted: Jun 13, 2016 22:17    Post subject: Re: A mineralogical trip through the states of USA - Arkansas  

Very cool piece!
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PostPosted: 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 ;-)


Wavellite - Mauldin Mountain Quarries_Mauldin Mountain_Montgomery County_Arkansas_USA.jpg
 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:  10052 Time(s)

Wavellite - Mauldin Mountain Quarries_Mauldin Mountain_Montgomery County_Arkansas_USA.jpg



Wavellite - Mauldin Mountain Quarries_Mauldin Mountain_Montgomery County_Arkansas_USA-detail.jpg
 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:  10038 Time(s)

Wavellite - Mauldin Mountain Quarries_Mauldin Mountain_Montgomery County_Arkansas_USA-detail.jpg



Wavellite - Mauldin Mountain Quarries_Mauldin Mountain_Montgomery County_Arkansas_USA-label.jpg
 Description:
The collection's label
 Viewed:  10080 Time(s)

Wavellite - Mauldin Mountain Quarries_Mauldin Mountain_Montgomery County_Arkansas_USA-label.jpg


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Tobi




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PostPosted: 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 ;-)


ArkQUAR.JPG
 Mineral: Quartz (var. Rock Crystal)
 Locality:
Mount Ida, Montgomery County, Arkansas, USA
 Dimensions: Specimen height 20,5 cm
 Description:
 Viewed:  8916 Time(s)

ArkQUAR.JPG


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