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Steve Maslansky
Joined: 01 Mar 2013
Posts: 19
Location: Prescott, Arizona
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Posted: Oct 09, 2020 13:32 Post subject: Re: A mineralogical trip through the regions of the UK - England / Cornwall |
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Does anybody have a clue for the little dark green balls? Cornwallite?
Mineral: | Liroconite on quartz with chalcophyllite and? |
Locality: | Wheal Gorland, Saint Day, Camborne - Redruth - Saint Day District, Cornwall, England / United Kingdom | |
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Dimensions: | 5.5 cm |
Description: |
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Bob Morgan
Joined: 18 Jan 2018
Posts: 228
Location: Savannah, Georgia
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Posted: Oct 09, 2020 14:12 Post subject: Re: Does anybody have a clue? Cornwallite? |
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In the photos of of liroconite two have dark blue clinoclase from that locality.
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Steve Maslansky
Joined: 01 Mar 2013
Posts: 19
Location: Prescott, Arizona
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Posted: Oct 09, 2020 14:34 Post subject: Re: Does anybody have a clue? Cornwallite? |
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Thanks, Bob. That was an original thought of mine, but under a microscope (sorry can't do photos), the color and habit doesn't look right for clinoclase, its dark green with no hint of blue. The core (one ball is broken) is a pale green.
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Don Lum
Joined: 03 Sep 2012
Posts: 2858
Location: Arkansas
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Posted: Oct 09, 2020 15:07 Post subject: Re: Does anybody have a clue? Cornwallite? |
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Steve, that is a really nice Liroconite.
Take care.
Don
_________________ hogwild |
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Steve Maslansky
Joined: 01 Mar 2013
Posts: 19
Location: Prescott, Arizona
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Posted: Oct 09, 2020 15:34 Post subject: Re: Does anybody have a clue? Cornwallite? |
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Thank you Don, Hope all is well. Steve
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Sante Celiberti
Joined: 04 Oct 2019
Posts: 699
Location: Tuscany
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Posted: Oct 09, 2020 15:41 Post subject: Re: Does anybody have a clue? Cornwallite? |
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Steve Maslansky wrote: | Does anybody have a clue for the little dark green balls? Cornwallite? |
This locality provides radiated balls of Olivenite, often associated with Liroconite.
The color would seem more consistent than Cornwallite; in any case the specimen is in your hands...
Best regards.
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Bob Morgan
Joined: 18 Jan 2018
Posts: 228
Location: Savannah, Georgia
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Posted: Oct 09, 2020 15:46 Post subject: Re: Does anybody have a clue? Cornwallite? |
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Sorry, I was looking for the wrong color.
I searched by locality and got a mineral list for Wheal Gorland. From that list I found olivenite and looked at the photos. It does make dark green acicular sprays and does so with liroconite.
Your specimen, though is better than in any photos. Wow!
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Steve Maslansky
Joined: 01 Mar 2013
Posts: 19
Location: Prescott, Arizona
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Posted: Oct 09, 2020 16:20 Post subject: Re: Does anybody have a clue? Cornwallite? |
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Thank you Sante and Bob, I appreciate the feedback.
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