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Collection of Tobi
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Tobi




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PostPosted: Jan 15, 2020 12:34    Post subject: Re: Collection of Tobi  

I know these Spanish dolomites and yes, they look a litle bit similar ... but I also think my specimen looks first of all like a Tsumeb calcite ;-)
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Jordi Fabre
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PostPosted: Jan 15, 2020 13:11    Post subject: Re: Collection of Tobi  

Tobi wrote:
I know these Spanish dolomites and yes, they look a litle bit similar ... but I also think my specimen looks first of all like a Tsumeb calcite ;-)

Calcite Tobi, you be right... 😏
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jose luis jara jara




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PostPosted: Jan 15, 2020 15:12    Post subject: Re: Collection of Tobi  

Tobi wrote:
James Catmur wrote:
It would be hard to photograph - I love it too
Thank you, James :-)
jose luis jara jara wrote:
Hi Tobi, that piece sure is Calcite, it sounds more like Dolomite
I'm sorry, I don't know what you mean. This is a typical and distinctive Tsumeb calcite, what do you mean with "sounds like dolomite"?


Tobi, I just wanted to comment that the piece looked like Dolomite
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Tobi




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PostPosted: Jan 16, 2020 03:52    Post subject: Re: Collection of Tobi  

jose luis jara jara wrote:
Tobi, I just wanted to comment that the piece looked like Dolomite
Ok Jose, now I understand ;-) And yes, there's some similarity, many carbonate minerals appear in such a shape (calcite, dolomite, ankerite, rhodochrosite, siderite).

By the way, what the photo doesn't show: The calcite is not colourless but pale light-pink, I think this is caused by hematite.

Regards
Tobi
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