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Kipushi Mine (D.R. Congo)
  
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Roger Warin




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PostPosted: Jan 29, 2014 11:46    Post subject: Kipushi Mine (D.R. Congo)  

Hi,
Kipushi (Katanga - Congo) has long been a famous mine. Probably the rarest mineral of this mine is veszelyite (a hydrated copper - zinc hydroxide phosphate). Veszelyite was identified in 1926 by H. Buttgenbach who gave the name “kipushite”. He knew the veszelyite holotype but was misleading because it contained 10.5% of arsenic oxide.
I described the veszelyite on the AGAB site
https://www.agab.be/mineralogie/Katanga/veszelyite.html
(link normalized by FMF)



013-veszelyite_r.jpg
 Description:
Veszelyite
Kipushi, Katanga, D.R. Congo
Exceptional specimen
 Viewed:  16799 Time(s)

013-veszelyite_r.jpg



014-veszelyite_r.jpg
 Description:
Veszelyite
Kipushi, Katanga, D.R. Congo
 Viewed:  16816 Time(s)

014-veszelyite_r.jpg



015-Veszelyite4460_R.jpg
 Description:
Veszelyite, azurite
Kipushi, Katanga, D.R. Congo
 Viewed:  16822 Time(s)

015-Veszelyite4460_R.jpg



016-veszleyite_r.jpg
 Description:
Veszelyite
Kipushi, Katanga, D.R. Congo
found more recently
 Viewed:  16763 Time(s)

016-veszleyite_r.jpg



017-Veszelyite-Buttgen-1_R.jpg
 Description:
Veszelyite
Drawing
 Viewed:  16776 Time(s)

017-Veszelyite-Buttgen-1_R.jpg


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newryqs




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PostPosted: Jan 29, 2014 13:08    Post subject: Re: Kipushi Mine (D.R. Congo)  

Please post these at Mindat, as well. Wonderful images!

Best Wishes, Van
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Michael Shaw
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PostPosted: Jan 29, 2014 13:43    Post subject: Re: Kipushi Mine (D.R. Congo)  

Wow. Beautiful specimen and images.
Michael
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Don Lum




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PostPosted: Jan 29, 2014 14:19    Post subject: Re: Kipushi Mine (D.R. Congo)  

I second the Wow !!!

Outstanding specimen and photos, Roger.

Don

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Roger Warin




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PostPosted: Jan 30, 2014 16:54    Post subject: Re: Kipushi Mine (D.R. Congo)  

Thank you for your appreciation
Roger.
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Roger Warin




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PostPosted: Aug 31, 2014 10:40    Post subject: Re: Kipushi Mine (D.R. Congo)  

Hi
A rare calcite from Kipushi, Katanga, D.R. Congo.
With a steep rhombohedral habit.
Roger.



068-Calcite_Kipu_R.jpg
 Mineral: Calcite
 Locality:
Kipushi Mine, Kipushi, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire)
 Dimensions: 10 cm wide
 Description:
steep rhomhedral Crystal habit.
 Viewed:  15323 Time(s)

068-Calcite_Kipu_R.jpg


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Roger Warin




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PostPosted: Aug 31, 2014 11:01    Post subject: Re: Kipushi Mine (D.R. Congo)  

Hi,
On a primary rhombohedral calcite is deposited a second generation of crystals.
Roger.



069-Calcite_kipushi_4721b_R.jpg
 Mineral: Calcite
 Locality:
Kipushi Mine, Kipushi, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire)
 Dimensions: 8 cm high
 Description:
with a second generation of crystals
 Viewed:  15273 Time(s)

069-Calcite_kipushi_4721b_R.jpg


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Roger Warin




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PostPosted: Aug 31, 2014 11:05    Post subject: Re: Kipushi Mine (D.R. Congo)  

Hi,
The trigonal symmetry is preserved, as shown in the photograph profile of the base of the same group.
Is this a parallel growth, I don’t know.
Roger.



070-Calcite-Kipushi-4730b_R.jpg
 Mineral: Calcite
 Locality:
Kipushi Mine, Kipushi, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire)
 Dimensions: 55 mm wide
 Description:
 Viewed:  15316 Time(s)

070-Calcite-Kipushi-4730b_R.jpg


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Roger Warin




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PostPosted: Sep 02, 2014 15:58    Post subject: Re: Kipushi Mine (D.R. Congo)  

Hi,
One is sometimes surprised by the presence of very steep rhombohedra, as in quartz.
Here in this calcite, this feature is amplified by a parallel growth in the same axis.
This is a sample of calcite from the Kipushi Mine. During colonial times, the Belgian geologists have given the name of frite calcite !
A very steep negative rhombohedron {0.14.1} gives the particular shape of this calcite. It ended with a small negative rhombohedron {01.2}.
Roger.



071-Calcite-frite-Kipushi_R.jpg
 Mineral: Calcite
 Locality:
Kipushi Mine, Kipushi, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire)
 Dimensions: 10 cm
 Description:
parallel growth
 Viewed:  15027 Time(s)

071-Calcite-frite-Kipushi_R.jpg


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