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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5048
Location: Barcelona
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 Posted: Oct 23, 2010 17:31 Post subject: A mineralogical trip through the states of USA - Arkansas |
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Arkansas the "Natural State"
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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. |
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47337 Time(s) |
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rweaver
Joined: 13 Apr 2009
Posts: 259
Location: Ridgecrest, California
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| Posted: Oct 23, 2010 17:54 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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Former collection of Marion Godshaw
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Cinnabar
Lake Greeson, Pike Co., Arkansas, USA
5.0 x 5.5 cm |
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47262 Time(s) |
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Antonio Alcaide
Site Admin
Joined: 23 Aug 2009
Posts: 314
Location: Spain
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| Posted: Oct 23, 2010 18:39 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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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. |
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47305 Time(s) |
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| Description: |
Wavellite
De Linde Pits, Dug Hill, Avant, Garland Co., Arkansas, USA
Close up of the previous piece. |
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47315 Time(s) |
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_________________
Life is the shortest crystal |
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Peter Megaw
Site Admin
Joined: 13 Jan 2007
Posts: 973
Location: Tucson, Arizona
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| Posted: Oct 23, 2010 20:05 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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Can't go to Arkansas without checking out the quartz!!!
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Quartz
Montgomery Co., Arkansas, USA
75 cm
Monster 75 cm group |
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47258 Time(s) |
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_________________
Siempre Adelante! |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2243
Location: Oklahoma
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| Posted: Oct 29, 2010 08:36 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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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. |
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47071 Time(s) |
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Pete Richards
Site Admin
Joined: 29 Dec 2008
Posts: 845
Location: Northeast Ohio
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| Posted: Oct 29, 2010 16:31 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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| 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. |
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47060 Time(s) |
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| Description: |
Smithsonite,
Rush, Arkansas, USA
Imaged at 12x. |
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47038 Time(s) |
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_________________
Collecting and studying crystals with interesting habits, twinning, and epitaxy |
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am mizunaka
Joined: 09 Apr 2010
Posts: 2203
Location: USA
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| Posted: Nov 09, 2010 08:53 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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More quartz from Arkansas.
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Quartz
Mt. Ida, Montgomery Co., Arkansas, USA
Specimen size 8 x 6 x 5 cm.
Quartz cluster completely rehealed on bottom |
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46836 Time(s) |
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Quartz var.citrine
Collier Creek Mine, Mt. Ida, Montgomery Co., Arkansas, USA
Specimen size 16 x 8.5 x 7 cm.
Citrine quartz cluster |
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46896 Time(s) |
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| Description: |
Quartz
McEarl Mine, Garland Co., Arkansas, USA
Specimen size 9.3 x 2.8 cm. |
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46919 Time(s) |
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| Description: |
Quartz var. faden
Coleman Mine, Garland Co., Arkansas, USA
Specimen size 7.5 x 6.7 cm. |
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46826 Time(s) |
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Matt_Zukowski
Site Admin
Joined: 10 Apr 2009
Posts: 737
Location: Alaska
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| Posted: Nov 10, 2010 02:39 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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| 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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am mizunaka
Joined: 09 Apr 2010
Posts: 2203
Location: USA
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| Posted: Nov 30, 2010 07:45 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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Another one for Arkansas.
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Quartz cluster with a Japan Law Twin.
Mt Ida, Montgomery Co., Arkansas, USA
Specimen size 6.8 x 7.7 x 4 cm. |
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46651 Time(s) |
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| 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. |
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46639 Time(s) |
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: Nov 30, 2010 08:19 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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| 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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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5048
Location: Barcelona
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| Posted: May 24, 2011 07:44 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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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 |
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45582 Time(s) |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5048
Location: Barcelona
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| Posted: Apr 05, 2014 14:39 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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One more, quite unusual.
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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 |
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40097 Time(s) |
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Roger Warin
Joined: 23 Jan 2013
Posts: 1233
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| Posted: Apr 05, 2014 16:00 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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This specimen (stilbite with aegirine) is so delicate, I appreciate it.
Roger.
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Roger Warin
Joined: 23 Jan 2013
Posts: 1233
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| Posted: Apr 06, 2014 08:58 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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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 |
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39849 Time(s) |
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: Apr 06, 2014 22:23 Post subject: Re: A mineralogical trip through the states of USA - Arkansas |
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| Roger Warin wrote: | Hi,
Quartz – Japan Law twin, Mt Ida, Arkansas.
15 cm wide.
Roger. |
NICE!!
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