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A mineralogical trip through the states of USA - Arkansas
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Bob Harman




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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:  32572 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:  32649 Time(s)

DSC02853.jpg


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GneissWare




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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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Jordi Fabre
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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:  29232 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:  29170 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:  29225 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:  28129 Time(s)

ArkQUAR.JPG


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