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Favourite Wulfenites?
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bob kerr




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PostPosted: Aug 26, 2016 13:45    Post subject: Re: Favourite Wulfenites?  

crocoite wrote:
I just remembered I have a specimen of the black wulfenite from the Glove Mine. Not sure exactly where it is at the moment (in a box somewhere).

Anyone know if the cause of the black colour has been worked out?

[Edit] - Found this thread - https://www.mineral-forum.com/message-board/viewtopic.php?t=436


pretty sure that the black is due to included manganese oxides. other localities show dark brown or near black wulfenites (San Francisco, Tiger, 79 Mine) but the Glove had the best for lustrous sheer black (although i don't think the crystals ever got more than about 1cm.

here's a nice one i collected in 1985 with Dave Shannon.

bob



DSCN8599a.JPG
 Mineral: Wulfenite
 Locality:
Glove Mine, Glove Mine group, Devil's Cash Box Ridge, Cottonwood Canyon, Amado, Tyndall District, Santa Cruz County, Arizona, USA
 Dimensions: 8.5 cm wide
 Description:
Black Wulfenite
 Viewed:  57563 Time(s)

DSCN8599a.JPG


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Tobi
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PostPosted: Aug 26, 2016 14:30    Post subject: Re: Favourite Wulfenites?  

bob kerr wrote:
crocoite wrote:
Anyone know if the cause of the black colour has been worked out?
pretty sure that the black is due to included manganese oxides.
Don't know for sure, but I never heard anything else other than manganese or manganese oxides as a reason for the colour ...
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Les Presmyk




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PostPosted: Aug 26, 2016 14:39    Post subject: Re: Favourite Wulfenites?  

I agree with Bob. There are a lot of manganese oxides in the Glove mine. There is even coronadoite coating and replacing the wulfenite.
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bob kerr




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PostPosted: Aug 26, 2016 15:17    Post subject: Re: Favourite Wulfenites?  

Les - ooooo-la-la - that Red Cloud is a real gem - as is the calcite from Magma you posted on the other thread.

And - one more of my favorite AZ wulf localities - the Finch Mine (aka the Barking Spider - although for "some reason" this is not a formal locality on the list!!). These are covered with a quartz druze and sometimes hemimorphite. Seems like very few of these got out of AZ.

My generic answer to Tobi's original post: my favorite Wulf locality? - ARIZONA!!!

bob



DSCN8392.JPG
 Mineral: Quartz over Wulfenite
 Locality:
Finch Mine, Reagan claims, Keystone Gulch, Chilito, Hayden area, Banner District, Dripping Spring Mountains, Gila County, Arizona, USA
 Dimensions: 6.2 cm high
 Description:
Quartz Druze over Wulfenite
 Viewed:  57532 Time(s)

DSCN8392.JPG


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Tobi
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PostPosted: Aug 26, 2016 17:10    Post subject: Re: Favourite Wulfenites?  

bob kerr wrote:
and - one more of my favorite AZ wulf localities - the Finch Mine (aka the Barking Spider - although for "some reason" this is not a formal locality on the list!!). these are covered with quartz druz and sometimes hemimorphite. seems like very few of these got out of AZ.
Well, a few came out of Arizona ;-) Not among my favourites, but they look interesting somehow ...


FinchWULFENIT.JPG
 Mineral: Wulfenite
 Locality:
Finch Mine, Reagan claims, Keystone Gulch, Chilito, Hayden area, Banner District, Dripping Spring Mountains, Gila County, Arizona, USA
 Dimensions: Specimen size 7 cm
 Description:
Ex my collection
 Viewed:  57503 Time(s)

FinchWULFENIT.JPG



IMG_4068.JPG
 Mineral: Wulfenite
 Locality:
Finch Mine, Reagan claims, Keystone Gulch, Chilito, Hayden area, Banner District, Dripping Spring Mountains, Gila County, Arizona, USA
 Dimensions: Specimen sizes 4-7 cm
 Description:
Collection Mineralogical Museum Marburg (my photo)
 Viewed:  57519 Time(s)

IMG_4068.JPG


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Les Presmyk




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PostPosted: Aug 26, 2016 17:13    Post subject: Re: Favourite Wulfenites?  

Thank you Bob. Just go up to the picture of the first Red Cloud in this string and that is the color of ours on quartz. I am curious why the color did not translate. It is even a bit muted on the Rowley mimetite vug I posted but not anywhere near as bad as on the wulfenite.
It was both a good day and a bad day when I collected the calcite. Good that I was able to collect about ten specimens but bad because the miners had destroyed crystals up to 10cm.
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Volkmar Stingl




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PostPosted: May 01, 2017 01:17    Post subject: Re: Favourite Wulfenites?  

A small, but fine Medieval mine near Haiming, Tyrol, Austria, hosts a small number of fine wulfenites. These are my favourites as I live nearby and have the chance to visit it every time I want. The wulfies are not very special and mostly small, but the locality produced only few of them.


161230 09b Haiming.jpg
 Mineral: Wulfenite
 Locality:
Haiming, Imst District, North Tyrol, Tyrol/Tirol, Austria
 Dimensions: Crystals up to 4 mm
 Description:
 Viewed:  12016 Time(s)

161230 09b Haiming.jpg


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bob kerr




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PostPosted: May 01, 2017 10:49    Post subject: Re: Favourite Wulfenites?  

a friend of mine acquired this amazing Austrian wulfenite at the 2017 HTCC show - said to be over 150 years old.

bob

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Heimo Hellwig




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PostPosted: May 03, 2017 11:41    Post subject: Re: Favourite Wulfenites?  

My two favourite Wulfenites.


DSCF0592.JPG
 Mineral: Wulfenite
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: 116mm x 84mm x 55mm
 Description:
 Viewed:  11812 Time(s)

DSCF0592.JPG



DSCF0593.JPG
 Mineral: Wulfenite
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: 116mm x 84mm x 55mm
 Description:
 Viewed:  11791 Time(s)

DSCF0593.JPG



DSCF0596.JPG
 Mineral: Wulfenite
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: 56mm x 38mm x 32mm
 Description:
 Viewed:  11844 Time(s)

DSCF0596.JPG



DSCF0597.JPG
 Mineral: Wulfenite
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: 56mm x 38mm x 32mm
 Description:
 Viewed:  11821 Time(s)

DSCF0597.JPG


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Volkmar Stingl




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PostPosted: Oct 02, 2020 23:35    Post subject: Re: Favourite Wulfenites?  

Heimo, I have obviously another piece from the find of the last piece.


20200720_105637.jpg
 Mineral: Wulfenite
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: 6 x 5 cm
 Description:
 Viewed:  8062 Time(s)

20200720_105637.jpg



20200720_105657.jpg
 Mineral: Wulfenite
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: 6 x 5 cm
 Description:
Detail
 Viewed:  8038 Time(s)

20200720_105657.jpg


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