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17 Oct-18:44:23 Re: silvia's collection - quartz (Silvia)
17 Oct-15:05:19 Re: silvia's collection (Silvia)
17 Oct-15:03:37 Re: silvia's collection (Silvia)
17 Oct-13:19:12 Re: new generation for picture - ploum (Ploum)
17 Oct-10:34:48 Re: collection of firmo espinar (Firmo Espinar)
17 Oct-10:26:01 Re: silvia's collection (Firmo Espinar)
17 Oct-04:39:40 Re: silvia's collection (James Catmur)
16 Oct-22:58:12 Re: the mizunaka collection - rhodochrosite (Am Mizunaka)
16 Oct-15:59:00 Re: the mizunaka collection - rhodochrosite (Silvia)
16 Oct-15:49:49 Re: silvia's collection (Silvia)
16 Oct-15:36:47 Re: collection of sante celiberti (Sante Celiberti)
16 Oct-14:41:39 Re: new generation for picture - ploum (Ploum)
16 Oct-12:37:34 Munich show (mineralientage) 2021 - looks like it's starting to let up (Jordi Fabre)
16 Oct-03:23:45 Re: new generation for picture - ploum (Ploum)
16 Oct-01:35:08 Re: collection of volkmar stingl (Volkmar Stingl)
15 Oct-22:27:21 The mizunaka collection - rhodochrosite (Am Mizunaka)
15 Oct-17:10:46 Re: a mineralogical trip through italy by sante celiberti (Sante Celiberti)
15 Oct-15:18:13 Re: new generation for picture - ploum (Ploum)
15 Oct-14:42:58 Re: silvia's collection (Silvia)
15 Oct-13:40:49 Re: don lum collection (Don Lum)
15 Oct-11:58:22 Re: article on naica and gypsum (Bob Morgan)
15 Oct-10:03:12 Re: collection of volkmar stingl (Volkmar Stingl)
15 Oct-08:57:54 Re: collection of michael shaw (Michael Shaw)
15 Oct-02:51:59 Re: don lum collection (Tobi)
15 Oct-02:02:35 Re: the tobi martin mineral collection - (38) (Tobi)

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  Topic: Probable ruby/garnet mix?
quigi

Replies: 7
Views: 734

PostForum: What is it? - Where is it from?   Posted: Aug 26, 2021 15:06   Subject: Re: Probable ruby/garnet mix?
It looks like the matrix is fluorescing red. Feldspar can fluoresce red and garnet occurs in feldspar.

You're right about the feldspar...I put the smokey qtz in the wrong sample bag lol. Thanks f ...
  Topic: Probable ruby/garnet mix?
quigi

Replies: 7
Views: 734

PostForum: What is it? - Where is it from?   Posted: Aug 26, 2021 15:04   Subject: Re: Probable ruby/garnet mix?
Zircon and corundum (ruby) do occur together. Zircon frequently fluoresces yellow though.

It would be helpful if you could perform scratch test. Corundum is hard and will scratch topaz and beryl.
...
  Topic: Probable ruby/garnet mix?
quigi

Replies: 7
Views: 734

PostForum: What is it? - Where is it from?   Posted: Aug 26, 2021 11:35   Subject: Probable ruby/garnet mix?
These crystals were found in the same area as the one I posted under the topic I posted here https://www.mineral-forum.com/message-board/viewtopic.php?t=6502 on the northern shores of Lake Erie.

I ...
  Topic: Corundum Conundrum...is it ruby?
quigi

Replies: 3
Views: 658

PostForum: What is it? - Where is it from?   Posted: Aug 26, 2021 11:23   Subject: Re: Corundum Conundrum...is it ruby?
So I was mixed up about the UVA and UVC lol, but I got a dual SWLW light and neither the matrix or crystals irridesce.
  Topic: Corundum Conundrum...is it ruby?
quigi

Replies: 3
Views: 658

PostForum: What is it? - Where is it from?   Posted: Aug 22, 2021 18:16   Subject: Re: Corundum Conundrum...is it ruby?
Can you give us any information about its hardness? Locality? Is the last photo just a strong light, or is it a LWUV (it looks like it might be a Convoy)? If not, does it fluoresce?

Sorry, somet ...
  Topic: Corundum Conundrum...is it ruby?
quigi

Replies: 3
Views: 658

PostForum: What is it? - Where is it from?   Posted: Aug 22, 2021 15:56   Subject: Corundum Conundrum...is it ruby?
've never seen this kind of matrix before and there are several deep red crystals. At first I was thinking garnet but the matrix doesn't seem to fit that either. The closest thing I could find visua ...
  Topic: The Expansion liquid / material using in mining (please help me)
quigi

Replies: 11
Views: 10403

PostForum: Off-Topic and Introductions   Posted: Nov 27, 2013 08:58   Subject: Re: The Expansion liquid / material using in mining (please help me)
Sounds to me like you're talking about Fracking. You're gonna need some VERY expensive equipment it this is what you're referring to.
  Topic: The Expansion liquid / material using in mining (please help me)
quigi

Replies: 11
Views: 10403

PostForum: Off-Topic and Introductions   Posted: Nov 27, 2013 07:53   Subject: Re: The Expansion liquid / material using in mining (please help me)
Are you talking about mining or precious metal recovery? As mentioned above water is used as the primary solution in mining but as far as I know, its nitric acid which is used for the final separatio ...
 
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