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Go Stone Yunzi convex Jade colour
http://lifein19x19.com/viewtopic.php?f=19&t=13836
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Author:  Galation [ Sat Dec 03, 2016 2:38 pm ]
Post subject:  Go Stone Yunzi convex Jade colour

Gin wrote:
Hello, Can somebody tell me where can I buy Go Stone Yunzi convex Jade colour?

Thank you

Hi Gin,
I reposted your question in the right forum. ;-)

About your request, I never heard of "jade coloured" Yunzi stones.

According my knowledge, "original" Yunzi* stones are produced with a special mixture that looks black in direct light. When the black stones are illuminated from behind they shows a dark green colour.

* Yunzi meaning "from Yunnan" that is China province where they are produced

I have seen some double convex Green glass stones here and there.

In Europe you can try here:
http://www.hebsacker-verlag.de/glass-stones-jade-color-215-10-mm-p-4175.html

And this is Amazon:
https://www.amazon.com/Glass-Go-Stones-8mm-Green/dp/B00429AWEO/ref=sr_1_1?ie=UTF8&qid=1480798982&sr=8-1&keywords=go+game+stone+green

Hope this can help, have fun! :tmbup:
Galation

Author:  Bonobo [ Sat Dec 03, 2016 3:02 pm ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

FWIW, I have an elderly set of Jade-coloured Yunzi stones, they are single-convex, though :-)

These Yunzi with “Jade luster” are not simply “coloured”: since Yunzi is made of stone powder (molten/sintered), in this case the mixture contains a certain amount of powdered Jade (see also https://en.wikipedia.org/wiki/Yunzi).


<edit>
And yes, the black stones of both kinds of Yunzi stones (“green luster” and B & W) look (dark) green when illuminated from behind—at least mine do, the green single convex ones as well as the B & W double convex ones.
</edit>

Author:  Galation [ Sun Dec 04, 2016 4:23 am ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

Bonobo wrote:
FWIW, I have an elderly set of Jade-coloured Yunzi stones, they are single-convex, though :-)
These Yunzi with “Jade luster” are not simply “coloured”: since Yunzi is made of stone powder (molten/sintered), in this case the mixture contains a certain amount of powdered Jade
I knew I can still learn something new by re-posting the message here! :tmbup:
Can you share some picture of this set?
Galation

Author:  Bonobo [ Sun Dec 04, 2016 6:07 am ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

Galation wrote:
Bonobo wrote:
FWIW, I have an elderly set of Jade-coloured Yunzi stones, they are single-convex, though
Can you share some picture of this set?

Taken with a cheap camera, so the colours are not 100% accurate
Attachment:
Go Gear 2013-03-23 - 14.jpg
Go Gear 2013-03-23 - 14.jpg [ 132.1 KiB | Viewed 4697 times ]


In the original straw bowls, here the colour of the white stones is best, they really have a very slight greenish luster
Attachment:
File comment: In the original straw bowls, here the colour of the white stones is the most accurate
Go Gear 2013-03-23 - 24.jpg
Go Gear 2013-03-23 - 24.jpg [ 183.25 KiB | Viewed 4697 times ]


Black stone held against the sun
Attachment:
File comment: Black stone held against the sun
Go Gear 2013-03-23 - 28.jpg
Go Gear 2013-03-23 - 28.jpg [ 83.23 KiB | Viewed 4697 times ]

Author:  Galation [ Sun Dec 04, 2016 2:47 pm ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

Merci beaucoup Mon Amie! :tmbup:
Galation

Author:  DrStraw [ Sun Dec 04, 2016 3:15 pm ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

Galation wrote:
Merci beaucoup Mon Amie! :tmbup:
Galation


Hhm. Whom are you addressing? Or do you know something about Bonobo that we do not?

Author:  Bonobo [ Sun Dec 04, 2016 5:53 pm ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

DrStraw wrote:
Galation wrote:
Merci beaucoup Mon Amie! :tmbup:
Galation


Hhm. Whom are you addressing? Or do you know something about Bonobo that we do not?

That “we” would include me also :)

All French I know is “je’taime” (taught to me by my mother) and “la merde” (~ by my father) (some of this is kidding, and I won't tell what it is :roll: )

Author:  Charlie [ Mon Dec 05, 2016 2:51 am ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

Am I correct in my belief that new sets no longer come with those straw bowls? I think they're being shipped in awful plastic mockeries of those, now.

I have been thinking about getting a set of single-convex yunzi stones. I played with them at a recent tournament in Berlin and completely fell in love with them - the deliberate, unambiguous way that they sit on the board adds "weight" to each move.

At first, I thought that single-convex stones would annoy me because of the need to turn them the right way up before placing them but this became automatic after a very short time. I suppose they might be sub-optimal under severe blitz conditions.

(In Berlin, the stones were awesome but the clocks were dire - plastic jobs with very distinctive, bent minute-hands. Despite 60 minutes main time and to my great surprise, I won 2 of 8 games on the clock that weekend! I'm fairly certain that these outcomes were not caused by material-related things but, if they were, it would have been the clocks, not the need to turn the single-convex stones the right way up.)

Author:  Galation [ Mon Dec 05, 2016 5:17 am ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

Bonobo wrote:
DrStraw wrote:
Galation wrote:
Merci beaucoup Mon Amie! :tmbup:
Galation


Hhm. Whom are you addressing? Or do you know something about Bonobo that we do not?


Silly me! :oops:
This is the incalculable risk of copy&paste automated translations from the web :lol:
as you very well understood, I know a lot of French words: Eiffel, Citroen, Paris... and from today, also the difference between ami and amie ;-)


Sorry Mr.Bonobo! :salute:

Galation

Author:  Bonobo [ Mon Dec 05, 2016 6:39 am ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

Galation wrote:
Sorry Mr.Bonobo! :salute:
No worries, nothing to be sorry for—all is well :) We’re all here for the fun of it, no?
Also, in a way it’s really nice to be elevated to an international citizen rather than be confined in the (in my perception sometimes too small) space of Germany.

And as for “Mr. Bonobo” (which now makes me Anglosaxon also :lol: ): please just call me Tom, all my friends do so, and it’s economic also :)
Peace, Tm

Author:  Drew [ Mon Dec 05, 2016 8:30 pm ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

Charlie wrote:
At first, I thought that single-convex stones would annoy me because of the need to turn them the right way up before placing them but this became automatic after a very short time.


They're great for playing out variations on the board - just place them upside down.

Author:  jedwardh [ Tue Apr 25, 2017 12:19 am ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

I realise I'm a bit late here but thought you might like to see some more photos.

I also have a set of the "jade lustre" single convex Yunzi, purchased from YMI back around 2009 I think. I read somewhere that they stopped making them, though it was just in some forum not an official source.

I measured five of each colour. The black ones ranged from 21.3mm to 22.2mm diameter with a mean of 21.78. They were all 5.9mm thick. The white ones ranged from 21.5 to 22.1mm diameter with a mean of 21.78. The thicknesses of the white stones ranged from 5.9mm to 6.1mm with a mean of 6.0.

I took some photos to show the colour a bit more clearly (though still won't quite be an accurate representation). When I first got them I was actually disappointed that they were so green, I had thought the colour would be more subtle. Now I quite like them as they are, but I'm also wanting a set of biconvex black and white stones (probably glass/ceramic from Japan or Korea).

It's my first post here so apologies if I don't get this image-posting business right:

Attachments:
jade_yunzi3.JPG
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jade_yunzi2.JPG
jade_yunzi2.JPG [ 209.39 KiB | Viewed 4103 times ]
File comment: The translucency of the white stones varies a bit - I think this stone at the front got a bit more jade in the mix, so it's a bit more translucent and looks a bit darker.
jade_yunzi1.JPG
jade_yunzi1.JPG [ 77.46 KiB | Viewed 4103 times ]

Author:  jedwardh [ Tue Apr 25, 2017 12:22 am ]
Post subject:  Re: Go Stone Yunzi convex Jade colour

One more picture:

Attachments:
jade_yunzi4.JPG
jade_yunzi4.JPG [ 99.73 KiB | Viewed 4103 times ]

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