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Blue-green rock
  
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Viktorian




Joined: 25 Sep 2011
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PostPosted: Sep 25, 2011 01:53    Post subject: Blue-green rock  

Hi
These is the first post from me!
I was in a talc quarry(in Marga-Romania), and found a lot of these blue green rock. I dont know what could be!
it looks good cut and polished!
Tahnks all!



blue-green stone.jpg
 Description:
Marga- Romania
 Viewed:  90445 Time(s)

blue-green stone.jpg



HPIM6402.jpg
 Description:
 Viewed:  89060 Time(s)

HPIM6402.jpg


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Maxilos




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PostPosted: Sep 25, 2011 08:32    Post subject: Re: blue-green rock  

Welcome,

One thing I could say is that it probably holds copper.

Mark

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John S. White
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PostPosted: Sep 25, 2011 10:20    Post subject: Re: Blue-green rock  

It may well contain copper but there are many similar green minerals that derive their color from iron, some from vanadium or chrome and some, even, from the radioactive decay of galena, the amazonite variety of microcline, if I am not mistaken.
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Pete Modreski
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PostPosted: Sep 25, 2011 11:40    Post subject: Re: Blue-green rock  

And also to keep in mind, talc can itself be colored green or blue-green, and there are varieties of other mica-related minerals of these colors too--green muscovite (var. fuchsite), phengite, celadonite, the chlorite family minerals, and more. Also fine-grained kyanite can be blue-green! So many minerals of similar color exist... Here is a photo of green, foliated pure talc, from Vermont.
Best wishes, Pete



PICT0517 (800x699).jpg
 Description:
Talc
Argonaut mine, Ludlow, Windsor County, Vermont, USA
7 x 5 cm
Foliated green talc, Vermont
 Viewed:  88808 Time(s)

PICT0517 (800x699).jpg


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Jordi Fabre
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PostPosted: Sep 25, 2011 11:40    Post subject: Re: Blue-green rock  

Hi Viktorian, welcome to FMF

As you can see is not enough information to give to you a right answer. Please read carefully:

"Asking: "What is this? / Where is it from?" -> https://www.mineral-forum.com/message-board/viewtopic.php?t=1936

and try to follow the suggestions you will find there.
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Viktorian




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PostPosted: Sep 25, 2011 14:45    Post subject: Re: Blue-green rock  

Well, there I found talc,but I found another rock which I think is dolomite(powder make reaction with HCl acid)
So there in the talc quarry,I found all these varieties of rocks: talc, dolomite? and blue-green rock(no make reaction with HCl acid)



HPIM7905.jpg
 Description:
 Viewed:  88664 Time(s)

HPIM7905.jpg



HPIM7899.jpg
 Description:
 Viewed:  88682 Time(s)

HPIM7899.jpg


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tomfan




Joined: 15 Jul 2012
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PostPosted: Jul 15, 2012 02:01    Post subject: Re: Blue-green rock  

it is beautiful blue-green stone, Try to polish it and also let me know the hardness based on your expereince then I may give you my idea for I can see many same kind of stone in China.

Tom Fan from Xiamen

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jade,soapstone,nehprite,chlorite,pyrophyllite,agate, chalcedony, any stone rough good enough for carving.
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Justin Hickok




Joined: 28 Sep 2017
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PostPosted: Aug 13, 2018 21:33    Post subject: Re: Blue-green rock  

That is an awesome color. And I concur with John S. White.
Im sifting through some nice amazonite this week out here in Colorado with the same hue.
Im not saying it's amazonite but the same color.
Its my favorite color. Turquoise.
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