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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5025
Location: Barcelona
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 Posted: Nov 29, 2020 11:01 Post subject: Pectolite? from Maoping Quarry, Wuyishan, China |
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| Volkmar Stingl wrote: |
Mineral: Pectolite (?), Fluorite
Locality: Maoping Quarry, Wuyishan, Nanping Prefecture, Fujian Province, PR China
Dimensions: 6 x 4 cm
Description: The assumed Pectolite has not been analyzed, therefore the question mark.
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| Mineral: | Pectolite? |
| Locality: | | Maoping Quarry, Wuyishan, Nanping Prefecture, Fujian Province, China |  |
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| Dimensions: | 6 x 4 cm |
| Description: |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5025
Location: Barcelona
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| Posted: Nov 29, 2020 11:03 Post subject: Re: Pectolite? from Maoping Quarry, Wuyishan, China |
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Impossible to be sure without a proper analysis Volker.
Anyway, it looks to me more like a member of the Wollastonite Group (Tremolite or Wollastonite) than a Pectolite
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Volkmar Stingl
Joined: 23 Sep 2012
Posts: 984
Location: Innsbruck
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| Posted: Nov 29, 2020 11:15 Post subject: Re: Pectolite? from Maoping Quarry, Wuyishan, China |
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Hello Jordi, thank you for your idea. I will see if I can get an analysis at our university (as soon as I am allowed to go there due to the actual restrictions). I will let you know about the result.
Volkmar
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Bob Carnein
Joined: 22 Aug 2013
Posts: 354
Location: Florissant, CO
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| Posted: Nov 29, 2020 11:27 Post subject: Re: Pectolite? from Maoping Quarry, Wuyishan, China |
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| I agree with Jordi, but, in any case, doing some analytical work would be justified.
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Volkmar Stingl
Joined: 23 Sep 2012
Posts: 984
Location: Innsbruck
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| Posted: Nov 29, 2020 11:42 Post subject: Re: Pectolite? from Maoping Quarry, Wuyishan, China |
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As an additional information (I checked my old notices now): The white crystals/crystal fans are filling narrow joints in a rhyolite. No other mineralization could be found there.
So, I will try to get an analysis.
Thank you both.
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Bob Carnein
Joined: 22 Aug 2013
Posts: 354
Location: Florissant, CO
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| Posted: Nov 29, 2020 12:03 Post subject: Re: Pectolite? from Maoping Quarry, Wuyishan, China |
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| When I blow up the image, I see what looks like purple quartz in the lower portion of the sample. Is that real, or is it my imagination playing tricks?
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Volkmar Stingl
Joined: 23 Sep 2012
Posts: 984
Location: Innsbruck
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| Posted: Jan 20, 2021 04:24 Post subject: Re: Pectolite? from Maoping Quarry, Wuyishan, China |
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After nearly 2 months I got the result of an XRD analysis. It is laumontite, and the purple parts are fluorite (as I already assumed).
Best wishes and a good health,
Volkmar
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