Coming Soon!!! Gem Identification Instrument Give-Away. Donated by W.Wm.Hanneman
Welcome to the GemologyOnline.com Forum
A non-profit Forum for the exchange of gemological ideas
It is currently Tue Mar 26, 2019 10:27 am

All times are UTC - 4 hours




Post new topic Reply to topic  [ 15 posts ] 
Author Message
 Post subject: A Crater Agate from Patagonia, Argentina
PostPosted: Thu Nov 27, 2014 11:07 pm 
Offline
Site Admin
User avatar

Joined: Sun Oct 16, 2005 12:22 pm
Posts: 19469
Location: San Francisco
This evening at Thanksgiving, I was shown a very unusual geode
Image
This picture was taken outside and the reflection of tree branches are on the left. The smoky outer chalcedony is crazy fluorescent with LW and SWUV.....

The agate walls are a translucent, smoky chalcedony with inclusions of fine red hematite lines. De Los Santos says the Crater agate is strongly green-fluorescent due to uranium salts.


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Fri Nov 28, 2014 11:14 am 
Offline
Gemology Online Veteran

Joined: Sat Apr 24, 2010 7:10 am
Posts: 580
that's quite an unusual looking agate..beautiful


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Fri Nov 28, 2014 9:55 pm 
Offline
Gemology Online Veteran

Joined: Mon Feb 11, 2008 11:11 pm
Posts: 506
Location: Moncton, Canada
Hmmm. Might be fun to lay it down on photographic paper and see if it'll do an autoradiograph.

Cheers
Hans Durstling
Moncton, Canada

_________________
Ecclesiastes 10:19


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Wed Dec 10, 2014 11:48 am 
Offline
Gold Member

Joined: Sun Jun 28, 2009 9:56 am
Posts: 1215
beautiful, love the colors. I need a new ash tray, that will do :lol:


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Wed Dec 10, 2014 12:04 pm 
Offline
Moderator
User avatar

Joined: Mon Apr 02, 2012 9:31 pm
Posts: 3210
Location: North Carolina
cascaillou wrote:
beautiful, love the colors. I need a new ash tray, that will do :lol:

Ugh. I just got a mineral sample which the seller must have used as an ashtray. It stinks horribly of cigarette smoke :|

Beautiful agate, though! I've never seen one quite like it, or even much like it.

_________________
https://www.etsy.com/shop/angryturtle


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Wed Dec 10, 2014 2:21 pm 
Offline
Site Admin
User avatar

Joined: Sun Oct 16, 2005 12:22 pm
Posts: 19469
Location: San Francisco
I did a Google Search for the material. Although this is the first example I've seem, it is not unique:
CLICK HERE!


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Thu Feb 14, 2019 7:15 pm 
Offline
Established Member

Joined: Wed Feb 13, 2019 9:04 pm
Posts: 12
Crater agate half nodule, full skin. Green color fluorescent under UV light short wave. Stunning botryoidal center.. Argentina


Attachments:
IMG_1779.JPG
IMG_1779.JPG [ 778.91 KiB | Viewed 407 times ]
Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Fri Feb 15, 2019 12:35 pm 
Offline
Site Admin
User avatar

Joined: Sun Oct 16, 2005 12:22 pm
Posts: 19469
Location: San Francisco
Otherworldly!
Love this stuff.


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Fri Feb 15, 2019 6:44 pm 
Offline
Moderator
User avatar

Joined: Mon Apr 02, 2012 9:31 pm
Posts: 3210
Location: North Carolina
There were a few beautiful displays of this material at Tucson. Truly stunning.

_________________
https://www.etsy.com/shop/angryturtle


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Fri Feb 15, 2019 7:15 pm 
Offline
Site Admin
User avatar

Joined: Sun Oct 16, 2005 12:22 pm
Posts: 19469
Location: San Francisco
Did you catch prices?


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Fri Feb 15, 2019 7:32 pm 
Offline
Site Admin
User avatar

Joined: Sun Oct 16, 2005 12:22 pm
Posts: 19469
Location: San Francisco
I did a search for Patagonia agates and came across several specimens like this from Argentina labeled:
Pink Amethyst. Do you think the xls are actually pink?
Have you seen this stuff before?


Attachments:
Screen Shot 2019-02-15 at 3.28.27 PM.png
Screen Shot 2019-02-15 at 3.28.27 PM.png [ 1.1 MiB | Viewed 385 times ]
Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Fri Feb 15, 2019 11:08 pm 
Offline
Moderator
User avatar

Joined: Mon Apr 02, 2012 9:31 pm
Posts: 3210
Location: North Carolina
Yes, I purchased some loose crystals last year. They have a light amethyst base color with finely included hematite, yielding a very pleasing pink color. They were trying to make a really big deal of them, but it doesn't seem to have stuck--a bit of a shame since they're quite nice.
I didn't catch prices on the agates unfortunately. It's not something I can get for my business and I could tell they were out of range for my personal buying.

_________________
https://www.etsy.com/shop/angryturtle


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Fri Feb 15, 2019 11:48 pm 
Offline
Site Admin
User avatar

Joined: Sun Oct 16, 2005 12:22 pm
Posts: 19469
Location: San Francisco
Thank Stephen.
I bought one for my collection.
Not the one I originally posted, but this one. It's a wee specimen but it was 1/2 price of the other one:


Attachments:
Screen Shot 2019-02-15 at 7.45.42 PM.png
Screen Shot 2019-02-15 at 7.45.42 PM.png [ 1.04 MiB | Viewed 376 times ]
Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Sat Feb 16, 2019 12:39 am 
Offline
Moderator
User avatar

Joined: Mon Apr 02, 2012 9:31 pm
Posts: 3210
Location: North Carolina
It really is nice stuff, and I think it will eventually be valued accordingly. As-is, I got a bunch of single crystals to make pendants--they haven't sold as fast as I'd like but they look nice so I don't mind that much.

_________________
https://www.etsy.com/shop/angryturtle


Top
 Profile  
Reply with quote  
 Post subject: Re: A Crater Agate from Patagonia, Argentina
PostPosted: Sun Feb 17, 2019 2:54 pm 
Offline
Established Member

Joined: Wed Feb 13, 2019 9:04 pm
Posts: 12
Crater agate 3 1/2" x 2 1/4" with botryoidal center, fluorescent under UV light short wave, from Chubut Province, Argentina.


Attachments:
File comment: Crater agate from Argentina.
IMG_1851.JPG
IMG_1851.JPG [ 890.43 KiB | Viewed 335 times ]
Top
 Profile  
Reply with quote  
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 15 posts ] 

All times are UTC - 4 hours


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group
Gemology Style ported to phpBB3 by Christian Bullock