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18 Apr-17:16:53 The mizunaka collection - impaled quartz (Am Mizunaka)
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17 Apr-13:53:09 Mineral talks live - episode 35 - joe dorris - founder; pinnacle 5 minerals, colorado (Bluecapproductions)
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16 Apr-16:21:42 Re: new generation for picture - ploum (Ploum)
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16 Apr-10:53:34 Re: new generation for picture - ploum (Ploum)
16 Apr-10:45:13 Re: rescuing massive 13 lb tremolite/actinolite (James Catmur)
16 Apr-10:17:21 Re: jim’s mineral collection (James Catmur)
16 Apr-08:39:47 Re: new generation for picture - ploum (Ploum)
16 Apr-03:26:34 Re: new generation for picture - ploum (Ploum)
16 Apr-00:22:40 Re: collection of volkmar stingl (Volkmar Stingl)
15 Apr-18:50:28 Mineral talks live - episode 34 - paula crevoshay - crevoshay jewelry; albuquerque, nm (Bluecapproductions)

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Stay at home - Coronavirus / Covid-19
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Roger Warin




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PostPosted: Jan 08, 2021 18:00    Post subject: Re: Stay at home - Coronavirus / Covid-19  

Hi Don,
Thank you for your answer, because my language as a chemist is not always well understood.
No, your mind is not at all simple. Quite the contrary.
You describe the same reality as me.
What I wanted to describe, like you but with other words, is how the virus travels through the air, because I am afraid of the virus. I am an old man. For that I had to imagine how these organic corpuscles managed to stay suspended in the air like tobacco smoke. For this, these virus corpuscles must be enclosed in a fog, even invisible.
When there is a humidity of 70%, we do not see the water vapor. However, these tiny droplets (nano) can carry the virus.
This is what worries me the most. The virus is almost in a gaseous state. This is the worst possible situation. It is really pernicious, the worst of all. We see it in London today.
Currently, I am almost under house arrest by the state, with little ability to travel. Of course I can buy food and possibly buy other items. But I can't go to a hairdresser for my hair (I barely have more hair).
It is absolutely necessary to wear the mask like the soldiers gassed in the Yser plain in 1914-1918. The air inlet must be closed off as much as possible from above the nose.
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Michael Shaw
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Joined: 30 Apr 2008
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PostPosted: Jan 08, 2021 19:38    Post subject: Re: Stay at home - Coronavirus / Covid-19  

Roger Warin wrote:
Hi Don,
Thank you for your answer, because my language as a chemist is not always well understood. I have to imagine how these organic corpuscles managed to stay suspended in the air like tobacco smoke. For this, these virus corpuscles must be enclosed in a fog, even invisible.


Roger,
The corona virus particles are 70–90 nm in diameter, so they can remain suspended in the air for quite some time.
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Don Lum




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PostPosted: Jan 08, 2021 23:11    Post subject: Re: Stay at home - Coronavirus / Covid-19  

Hello Professor Warin,

Perhaps this study may be useful to you.

https://www.theguardian.com/world/2020/sep/25/uk-scientists-begin-study-of-how-long-covid-can-survive-in-the-air
(link normalized by FMF)

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Don Lum




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PostPosted: Jan 11, 2021 12:43    Post subject: Re: Stay at home - Coronavirus / Covid-19  

I have been watching the college football national championship playoffs on television the last couple of weeks and have noticed something interesting in the segments between the action. It appears that there are mineral crystals similar to beryl and quartz crystals in the graphics. Don't know why but this is the first time I have seen this and I have been watching football on television for probably 60+ years.

Don

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Bob Morgan




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PostPosted: Jan 11, 2021 14:56    Post subject: Re: Stay at home - Coronavirus / Covid-19  

I saw that too, and there were some that looked like ferberite and blue cap tourmaline. The graphic artist deserves some recognition. These were good!
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Riccardo Modanesi




Joined: 07 Nov 2011
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PostPosted: Jan 11, 2021 15:33    Post subject: Re: Stay at home - Coronavirus / Covid-19  

Hi to everybody!
Here in Italy it's strictly compulsory to wear a mask covering mouth and nose, and it's compulsory to respect an interpersonal distance of at least 1 metre. Nevertheless we have at least 300 to 700 deaths per day...
Greetings by Riccardo.

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Hi! I'm a collector of minerals since 1973 and a gemmologist. On Summer I always visit mines and quarries all over Europe looking for minerals! Ok, there is time to tell you much much more! Greetings from Italy by Riccardo.
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