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17 Dec-08:26:24 Re: faden quartz crystals - (26) (Roger Warin)
17 Dec-08:14:25 Re: faden quartz crystals - (26) (Roger Warin)
17 Dec-07:47:51 Re: a mineralogical trip through germany / hessen - hesse (Tobi)
17 Dec-07:35:43 Re: a mineralogical trip through germany / sachsen-anhalt - saxony-anhalt (Tobi)
17 Dec-07:31:32 Re: a mineralogical trip through germany / north rhine-westphalia (Tobi)
17 Dec-07:00:12 Re: hasan abbasi's collection (Tobi)
17 Dec-06:38:03 Re: faden quartz crystals - (26) (Frei Hans)
17 Dec-04:17:42 Re: minerals sans life (Pierre Joubert)
17 Dec-03:27:21 Re: hasan abbasi's collection (Philippe Durand)
17 Dec-00:50:30 Re: don lum collection (Don Lum)
16 Dec-22:28:45 Re: minerals sans life (Tom Mazanec)
16 Dec-17:52:09 Re: collection of fiebre verde - chivor (#670) (Fiebre Verde)
16 Dec-15:20:06 Re: hasan abbasi's collection (H.Abbasi)
16 Dec-15:06:23 Re: minerals of dr congo, katanga. (Roger Warin)
16 Dec-11:45:55 Re: minerals of dr congo, katanga. (Roger Warin)
16 Dec-09:45:08 Re: minerals of dr congo, katanga. (Roger Warin)
16 Dec-09:16:08 Re: hasan abbasi's collection (H.Abbasi)
16 Dec-06:05:02 Re: hasan abbasi's collection (H.Abbasi)
16 Dec-05:35:13 Re: a mineralogical trip through the states of usa - new jersey (Tobi)
15 Dec-18:03:16 Re: don lum collection (Don Lum)
15 Dec-17:33:10 Re: a mineralogical trip through the states of usa - new jersey (Kushmeja)
15 Dec-17:20:03 Re: a mineralogical trip through the states of usa - new jersey (Frank Imbriacco)
15 Dec-16:38:52 Re: hasan abbasi's collection (H.Abbasi)
15 Dec-16:18:54 Re: hasan abbasi's collection (H.Abbasi)
15 Dec-15:42:56 Re: hasan abbasi's collection (H.Abbasi)

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  Topic: Negative crystals and their formation
Donn C.

Replies: 7
Views: 2746

PostForum: Minerals and Mineralogy   Posted: Feb 09, 2017 14:52   Subject: Re: Negative crystals and their formation
Yes, your negative crystal photos look very much like the negative crystals that I have in other crystals I have collected from the same Arizona location.
  Topic: Negative crystals and their formation
Donn C.

Replies: 7
Views: 2746

PostForum: Minerals and Mineralogy   Posted: Feb 09, 2017 11:32   Subject: Negative crystals and their formation
Not sure if this is the right place for this question but here it is. I ran across a negative crystal in one of the quartz crystals that I collected. I had never seen one before and it took me a whi ...
  Topic: Fluid Inclusion "Enhydro" Quartz in Arizona
Donn C.

Replies: 5
Views: 3155

PostForum: Minerals and Mineralogy   Posted: Jul 28, 2014 07:43   Subject: Re: Fluid Inclusion "Enhydro" Quartz in Arizona
Here is the enhydro quartz crystal, I have marked the bubble, it does move. About 1 inch in length
  Topic: Fluid Inclusion "Enhydro" Quartz in Arizona
Donn C.

Replies: 5
Views: 3155

PostForum: Minerals and Mineralogy   Posted: Jul 27, 2014 18:05   Subject: Fluid Inclusion "Enhydro" Quartz in Arizona
I have been doing some field collecting in Arizona recently (prior to the hot weather getting here) and have found a small quartz location that has quite a few "enhydro" quartz crystals. I ...
 
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