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Newest topics and users posts
19 Jun-16:17:25 Amethyst and...? (Linus)
19 Jun-09:17:29 Re: collection of annemieke en rob schnerr (Rob Schnerr)
19 Jun-08:52:18 Re: fake ruby? (Bob Carnein)
19 Jun-00:44:02 Re: a potpourri of musings....barely related to minerals. (Peter Lemkin)
19 Jun-00:01:57 Re: fake ruby? (Fuss)
18 Jun-22:24:43 Re: a potpourri of musings....barely related to minerals. (Bob Harman)
18 Jun-13:28:28 Re: cleaning nifontovite (Linus)
18 Jun-10:58:47 Re: collection of annemieke en rob schnerr (Rob Schnerr)
18 Jun-10:52:09 Re: cinnabar and not realgar inclusions? (Rob Schnerr)
18 Jun-08:03:25 Re: malachite (Raystraw)
18 Jun-06:40:06 Re: cleaning nifontovite (Bob Harman)
18 Jun-06:38:09 Re: cleaning nifontovite (Peter Megaw)
18 Jun-04:49:48 Re: cleaning nifontovite (R Saunders)
18 Jun-01:11:10 Re: collection of annemieke en rob schnerr (Tobi)
18 Jun-01:03:33 Re: malachite (Tobi)
17 Jun-22:03:54 Re: cleaning nifontovite (Peter Megaw)
17 Jun-19:20:20 Re: malachite (Bob Harman)
17 Jun-17:54:29 Malachite (Raystraw)
17 Jun-14:53:24 Re: cleaning nifontovite (Bob Harman)
17 Jun-14:53:18 Re: cleaning nifontovite (Kushmeja)
17 Jun-14:40:38 The mizunaka collection - quartz (Am Mizunaka)
17 Jun-14:37:55 Cleaning nifontovite (Linus)
17 Jun-09:44:35 Re: collection of michael shaw (Crosstimber)
17 Jun-08:53:56 Re: collection of annemieke en rob schnerr (Rob Schnerr)
17 Jun-07:36:08 Re: cinnabar and not realgar inclusions? (Niels Brouwer)

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  Topic: Collection of Annemieke en Rob Schnerr
Fiebre Verde

Replies: 56
Views: 3932

PostForum: Collection photos and Collector's page   Posted: Jun 08, 2019 13:22   Subject: Re: Collection of Annemieke en Rob Schnerr
Wow, a true museum piece, very impressive!
I second Tobi.
Could be nicknamed "the shoe"
  Topic: Are there any Sicilian Sulphur fakes still around?
Fiebre Verde

Replies: 12
Views: 836

PostForum: Incorrect classification and fakes   Posted: May 21, 2019 07:18   Subject: Re: Are there any Sicilian Sulphur fakes still around?
Rob,

Yes, it is no coincidence that your sulphur crystal specimen posting and my posting were so close together in timing. When I saw the specimen's locality, I wanted to be brought up to date on t ...
  Topic: Collection of Fiebre Verde
Fiebre Verde

Replies: 686
Views: 416365

PostForum: Collection photos and Collector's page   Posted: May 16, 2019 14:25   Subject: Re: Collection of Fiebre Verde - Chivor (#726)
Cubic pyrite, calcite, 20+ emerald aggregates in parallel growth, set on a druse of sparkling white granular albite.
Host rock is an albitite rock i.e. a whitish albitized black shale matrix.
From ...
  Topic: The Mizunaka Collection
Fiebre Verde

Replies: 1368
Views: 738038

PostForum: Collection photos and Collector's page   Posted: May 16, 2019 04:06   Subject: Re: The Mizunaka Collection
Very aesthetic specimen Mike!
How does the color contrast between the 2 rhodo groups (red vs. pinkish) look in real life?
Gerard
  Topic: Quartz and Humboldtine? from Colombia
Fiebre Verde

Replies: 16
Views: 2943

PostForum: Minerals and Mineralogy   Posted: May 12, 2019 14:43   Subject: Re: Quartz and Humboldtine? from Colombia
Fiebre,

I am not a geologist so John R would be able to say more on this subject. Reread his original posting above on this subject.

However, from the article and what little I know, the answer ...
  Topic: Quartz and Humboldtine? from Colombia
Fiebre Verde

Replies: 16
Views: 2943

PostForum: Minerals and Mineralogy   Posted: May 12, 2019 09:40   Subject: Re: Quartz and Humboldtine? from Colombia
The current issue of R & M periodical (vol 94 #3, May-June 2019) has an article by John Rakovan and David Ziga on these very interesting Colombian quartz specimens.

David Ziga had a wonderful ...
  Topic: Two small mines in Western Emerald belt of Colombia
Fiebre Verde

Replies: 17
Views: 2177

PostForum: Rockhounding trips   Posted: May 07, 2019 16:51   Subject: Re: Two small mines in Western Emerald belt of Colombia
Very beautiful quartz crystal!
Looks even better in person :-)
  Topic: Death of Heimo Hellwig
Fiebre Verde

Replies: 19
Views: 1819

PostForum: In Memoriam   Posted: Apr 19, 2019 01:32   Subject: Re: Death of Heimo Hellwig
Like everybody I am shocked and saddened to hear this tragic news.
Violence and crime are affecting the whole society.
Gérard
  Topic: Women's private collection sub-forum
Fiebre Verde

Replies: 24
Views: 2574

PostForum: Forum questions   Posted: Mar 22, 2019 13:41   Subject: Re: Women's private collection sub-forum
Tobi, Perhaps it's because the desire to "collect" stuff, whether it be rocks, sports memorabilia, or whatever, is actually a kind of mental disorder, slightly more respectable than being a ...
  Topic: Collection of Fiebre Verde
Fiebre Verde

Replies: 686
Views: 416365

PostForum: Collection photos and Collector's page   Posted: Mar 20, 2019 16:13   Subject: Re: Collection of Fiebre Verde - Coscuez (#737)
Aggregate from Coscuez with a complex termination.
  Topic: Collection of Fiebre Verde
Fiebre Verde

Replies: 686
Views: 416365

PostForum: Collection photos and Collector's page   Posted: Mar 16, 2019 09:22   Subject: Re: Collection of Fiebre Verde - Calcite (#8750)
Aurangabad Calcite
  Topic: Collection of Bergur E. Sigurdarson
Fiebre Verde

Replies: 22
Views: 5859

PostForum: Collection photos and Collector's page   Posted: Mar 15, 2019 09:47   Subject: Re: Collection of Bergur E. Sigurdarson
Hi Bergur,
So the mystery is cracked!
There are several references describing the presence of "pearly white" allophane in both emerald belts formed as a result of alteration of albite.
G ...
  Topic: The Mizunaka Collection
Fiebre Verde

Replies: 1368
Views: 738038

PostForum: Collection photos and Collector's page   Posted: Mar 14, 2019 02:12   Subject: Re: The Mizunaka Collection
More than just a 'Little Gem'!
  Topic: Collection of Fiebre Verde
Fiebre Verde

Replies: 686
Views: 416365

PostForum: Collection photos and Collector's page   Posted: Mar 06, 2019 07:51   Subject: Re: Collection of Fiebre Verde - Chivor (#735)
Semi-transparent Chivor crystals, most probably from Palo Arañado mine. Host rock is black shale.A stunning and highly beautiful contrast of black, white and vivid green, I like it :-)
Thanks for you ...
  Topic: Collection of Fiebre Verde
Fiebre Verde

Replies: 686
Views: 416365

PostForum: Collection photos and Collector's page   Posted: Mar 05, 2019 16:56   Subject: Re: Collection of Fiebre Verde - Chivor (#735)
Semi-transparent Chivor crystals, most probably from Palo Arañado mine.
Host rock is black shale.
  Topic: Two small mines in Western Emerald belt of Colombia
Fiebre Verde

Replies: 17
Views: 2177

PostForum: Rockhounding trips   Posted: Feb 21, 2019 10:12   Subject: Re: Two small mines in Western Emerald belt of Colombia
The few photos I posted do not properly show those specimens
(just taken hastily on a phone)
The lustre on especially the dolomite and siderite is amazing in person.

Those are also not cleaned p ...
  Topic: Franjungle Collection
Fiebre Verde

Replies: 280
Views: 78597

PostForum: Collection photos and Collector's page   Posted: Feb 15, 2019 08:21   Subject: Re: Franjungle Collection
Hi Pierre.

I´m sure that these Muzo´s examples are coming from emerald mining tunnels.

I have some from different localities:

• Municipio Suaita, Santander Department: the crystals come from ...
  Topic: A new book
Fiebre Verde

Replies: 13
Views: 1759

PostForum: Le Règne Minéral   Posted: Feb 07, 2019 05:24   Subject: Re: A new book
Fiebre thanks for your help. I was able to complete with your tips and a French -English online dictionary. _Gary
Good to know Gary - you're welcome!
Gerard
  Topic: Collection of Fiebre Verde
Fiebre Verde

Replies: 686
Views: 416365

PostForum: Collection photos and Collector's page   Posted: Feb 02, 2019 10:27   Subject: Re: Collection of Fiebre Verde - Chivor (#736)
Bright beryl crystal set in a brecciated albitite matrix from Chivor.
  Topic: Collection of Fiebre Verde
Fiebre Verde

Replies: 686
Views: 416365

PostForum: Collection photos and Collector's page   Posted: Jan 25, 2019 03:34   Subject: Re: Collection of Fiebre Verde - Coscuez (#734)
Coscuez crystal with an intense green color.
Some of the small grey dolomite crystals exhibit almost a metallic luster.
Calcite crystals have slightly striated faces.
Host rock is black shale
 
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