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Unknown from Kabolela Mine, DRC in association with Brochantite and Heterogenite
  
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cfrench58




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PostPosted: Dec 10, 2022 16:12    Post subject: Unknown from Kabolela Mine, DRC in association with Brochantite and Heterogenite  

Hello, I am hoping that someone might be able to identify the lilac-blue mineral coating the heterogenite in association with Brochantite in the attached photo (FOV=10x8 mm)
Thank you!



Br-1.JPG
 Mineral: Brochantite
 Locality:
Kabolela Mine, Kambove District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire)
 Dimensions: FOV=10 x 8 mm
 Description:
Closest image I could find in Mindat is Photo ID 1116586
 Viewed:  807 Time(s)

Br-1.JPG


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Matt_Zukowski
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PostPosted: Dec 11, 2022 03:04    Post subject: Re: Unknown from Kabolela Mine, DRC in association with Brochantite and Heterogenite  

Tough one. Perhaps you already thought about Chrysocolla, which can be kind of blue and earthy and is reported to be from there, but that is just a guess. And there certainly are many greenish/blueish secondary Cu minerals. Perhaps someone with first hand knowledge of the locality can weigh in. Or maybe you will need to get it analyzed.
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Jordi Fabre
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PostPosted: Dec 11, 2022 10:02    Post subject: Re: Unknown from Kabolela Mine, DRC in association with Brochantite and Heterogenite  

Matt_Zukowski wrote:
Tough one. Perhaps you already thought about Chrysocolla, which can be kind of blue and earthy and is reported to be from there, but that is just a guess. And there certainly are many greenish/blueish secondary Cu minerals. Perhaps someone with first hand knowledge of the locality can weigh in. Or maybe you will need to get it analyzed.

Absolutely right but having ordered analysis of other samples from this mine I would recommend Plancheite for this one.
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Roger Warin




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PostPosted: Dec 11, 2022 10:57    Post subject: Re: Unknown from Kabolela Mine, DRC in association with Brochantite and Heterogenite  

Hello,
Given the origin, of Kabolela, I think it is either shattuckite or plancheite and certainly not chrysocolla.
But since plancheite is lighter than the more pronounced blue shattuckite, so I would say shattuckite.
fibrous habit.
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cfrench58




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PostPosted: Dec 12, 2022 17:52    Post subject: Re: Unknown from Kabolela Mine, DRC in association with Brochantite and Heterogenite  

Thanks everyone for taking the time to respond to my inquiry, I really appreciate it!
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