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08 Jul-08:32:41 Re: collection of michael shaw (Michael Shaw)
07 Jul-17:55:33 Re: new technology for crystal models (Josele)
07 Jul-17:42:46 Re: collection of sante celiberti - a mineralogical trip through italy (Firmo Espinar)
07 Jul-16:22:42 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
07 Jul-16:19:22 New technology for crystal models (Bob Carnein)
07 Jul-13:51:12 Popular minerals - laurentthomasite (Jordi Fabre)
07 Jul-13:40:22 Re: don lum collection (Don Lum)
07 Jul-11:08:49 Re: collection of volkmar stingl (Volkmar Stingl)
07 Jul-10:55:27 Re: collection of volkmar stingl (Volkmar Stingl)
07 Jul-09:40:41 Re: collection of firmo espinar (Firmo Espinar)
06 Jul-16:03:50 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
06 Jul-14:02:46 Re: tourmaline? ural mountains? (Peter)
06 Jul-08:16:02 Re: tourmaline (Jordi Fabre)
06 Jul-07:30:08 Re: tourmaline (Bob Morgan)
06 Jul-01:05:33 Re: tourmaline (Peter Lemkin)
05 Jul-19:44:20 Re: tourmaline (Josele)
05 Jul-16:14:43 Re: tourmaline (Roger Warin)
05 Jul-16:12:10 Re: tourmaline (Bob Carnein)
05 Jul-16:00:27 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
05 Jul-15:53:10 Re: tourmaline (Bob Morgan)
05 Jul-09:04:13 Re: tourmaline (Josele)
05 Jul-07:34:32 Re: tourmaline (Roger Warin)
05 Jul-06:45:51 Re: tourmaline (Mathias)
04 Jul-18:20:35 Popular minerals - elbaite from pederneira claim (Jordi Fabre)
04 Jul-16:53:00 Collection of bergur e. Sigurdarson (Bergur_e_sigurdarson)

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Collection of Michael Shaw
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Michael Shaw
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PostPosted: Mar 06, 2016 18:50    Post subject: Re: Collection of Michael Shaw  

Don Lum wrote:
Michael,

Beautiful Siderite and outstanding photography!!!

Don


Thanks Don. Some specimens just lend themselves to good photos.
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Fiebre Verde




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PostPosted: Mar 07, 2016 01:44    Post subject: Re: Collection of Michael Shaw  

Very aesthetic specimen Michael!
Gérard
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Michael Shaw
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PostPosted: Mar 07, 2016 10:22    Post subject: Re: Collection of Michael Shaw  

Fiebre Verde wrote:
Very aesthetic specimen Michael!
Gérard


Thanks for the kind words Gérard.
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Michael Shaw
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PostPosted: Mar 08, 2016 16:33    Post subject: Re: Collection of Michael Shaw  

Last year at Tucson, I acquired a dark blue botryoidal plumbogummite from the Yangshuo Mine. I searched hard for a specimen of the other habit, where the plumbogummite forms a pseudomorph of pyromorphite, but was unable to find an undamaged miniature. This year I was happy to find the following little group to go with the other specimen.


Plumbogummite ps. pyromorphite - Yangshuo Mine.jpg
 Mineral: Plumbogummite ps. after pyromorphite
 Locality:
Yangshuo Mine, Yangshuo, Guilin Prefecture, Guangxi Zhuang Autonomous Region, China
 Dimensions: 3.2 x 4.7 cm
 Description:
Pale blue plumbogummite forming a near complete replacement of green pyromorphite crystals.
 Viewed:  15176 Time(s)

Plumbogummite ps. pyromorphite - Yangshuo Mine.jpg


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Michael Shaw
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PostPosted: Mar 10, 2016 09:40    Post subject: Re: Collection of Michael Shaw  

...


Pyromorphite - Resuperferolitica Mine.jpg
 Mineral: Pyromorphite
 Locality:
Resuperferolítica Claim, Cerro de la Canaleja, Santa Eufemia, Comarca Los Pedroches, Córdoba, Andalusia, Spain
 Dimensions: 3.6 x 5.5 cm
 Description:
Groups of brownish green hexagonal prismatic crystals with hoppered terminations. Collected in 1996.
 Viewed:  15024 Time(s)

Pyromorphite - Resuperferolitica Mine.jpg


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Michael Shaw
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PostPosted: Mar 15, 2016 09:32    Post subject: Re: Collection of Michael Shaw  

It's not every day when one finds a nice mineral specimen from Texas, so I was happy to add the following piece to the few others in our collection of minerals from the Lone Star State.


Marcasite - Temple, Texas.jpg
 Mineral: Marcasite
 Locality:
Temple, Bell County, Texas, USA
 Dimensions: 5.7 x 5.8 cm
 Description:
Razor-sharp, lustrous, silvery-gold bladed marcasite crystals from a seldom seen locality. These marcasites were collected as they weathered out of limestone blocks under the Highway 36 bridge over Cedar Creek. The blocks originated from a nearby quarry where there is no access.
 Viewed:  14865 Time(s)

Marcasite - Temple, Texas.jpg


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Michael Shaw
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PostPosted: Mar 19, 2016 08:22    Post subject: Re: Collection of Michael Shaw  

...


Beryl var. aquamarine - Chumar Bakhoor.jpg
 Mineral: Beryl var. aquamarine
 Locality:
Chumar Bakhoor, Hunza Valley, Nagar District, Gilgit-Baltistan (Northern Areas), Pakistan
 Dimensions: 3.3 x 3.9 cm
 Description:
Pale blue transparent aquamarine crystal with a sharp white zone just below the partially etched termination associated with silvery muscovite crystals.
 Viewed:  14889 Time(s)

Beryl var. aquamarine - Chumar Bakhoor.jpg


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Don Lum




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PostPosted: Mar 19, 2016 09:46    Post subject: Re: Collection of Michael Shaw  

crosstimber wrote:
...


Beautiful and interesting aquamarine, Michael. Do I see tubes in this specimen?

Hello to Laura.

Regards,

Don

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Michael Shaw
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PostPosted: Mar 19, 2016 15:58    Post subject: Re: Collection of Michael Shaw  

Thanks Don. Although the photo may give the appearance of tubes, there are none. What you are seeing is very fine surface striations. I suppose that these may be related to the dissolution of the termination. I have not observed this feature in any other aquas that I have looked at, and that difference is what drew me this particular specimen.

Regards,
Michael
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Michael Shaw
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PostPosted: Mar 22, 2016 15:45    Post subject: Re: Collection of Michael Shaw  

When I first looked at this specimen, I thought it was another Ojuela Mine aurichalcite. When I looked at the label, it immediately became more interesting.


Aurichalcite.jpg
 Mineral: Aurichalcite
 Locality:
Campiglia Marittima, Campigliese, Livorno Province, Toscana, Italy
 Dimensions: 7.5 x 8.6 cm
 Description:
Acicular turquoise blue aurichalcite crystals lining shallow cavities in a brown gossan matrix from the Temperino Mine.
 Viewed:  14686 Time(s)

Aurichalcite.jpg


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Michael Shaw
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PostPosted: Mar 24, 2016 11:04    Post subject: Re: Collection of Michael Shaw  

...


Brochantite - Milpillas Mine.jpg
 Mineral: Brochantite
 Locality:
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora, Mexico
 Dimensions: 5.8 x 7.9 cm
 Description:
Lustrous dark green acicular brochantite crystals lining shallow pockets in an argillized white porphyry. Collected in January 2015.
 Viewed:  14565 Time(s)

Brochantite - Milpillas Mine.jpg


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Michael Shaw
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PostPosted: Mar 28, 2016 14:33    Post subject: Re: Collection of Michael Shaw  

...


Quartz - Goboboseb Mountains.jpg
 Mineral: Quartz
 Locality:
Goboboseb Mountains, Brandberg area, Erongo Region, Namibia
 Dimensions: 2.7 x 5.0 cm
 Description:
A small group of glassy quartz crystals with pale amethyst and smoky zones, and numerous reddish-brown hematite inclusions.
 Viewed:  14453 Time(s)

Quartz - Goboboseb Mountains.jpg


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Michael Shaw
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PostPosted: Apr 06, 2016 12:12    Post subject: Re: Collection of Michael Shaw  

I just received word from Jordi that a recent analysis in Germany showed these 'mimetites' from the Gowd Mine to be vanadinite. Since these two minerals form a series, until I hear somethiing more definitive, I have labeled this specimen as Mimetite-Vanadinite series.


Mimetite - Gowd Mine, Iran.jpg
 Mineral: Mimetite-Vanadinite series
 Locality:
Gowd Mine, Anarak District, Nain, Isfahan Province, Iran
 Dimensions: 6.8 x 9.1 cm
 Description:
Prismatic yellow-orange hexagonal crystals to 0.5 cm scattered over a quartz and calcite matrix.
 Viewed:  14364 Time(s)

Mimetite - Gowd Mine, Iran.jpg



Mimetite-Vanadinite series.jpg
 Mineral: Mimetite-Vanadinite series
 Locality:
Gowd Mine, Anarak District, Nain, Isfahan Province, Iran
 Dimensions: 6.8 x 9.1 cm, FOV~4.0 cm
 Description:
Closeup of the above specimen.
 Viewed:  14288 Time(s)

Mimetite-Vanadinite series.jpg


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Pierre Joubert




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PostPosted: Apr 06, 2016 14:16    Post subject: Re: Collection of Michael Shaw  

Very nice specimens Michael. Needless to say that I like your 'harlequin' quartz.
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Michael Shaw
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PostPosted: Apr 06, 2016 16:32    Post subject: Re: Collection of Michael Shaw  

Pierre Joubert wrote:
Very nice specimens Michael. Needless to say that I like your 'harlequin' quartz.


Many thanks Pierre. I have never heard the term 'harlequin' quartz before, but it is certainly an apt description.
Michael
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PostPosted: Apr 15, 2016 15:51    Post subject: Re: Collection of Michael Shaw  

...


Calcite - Nikolaevskiy Mine.jpg
 Mineral: Calcite
 Locality:
Nikolaevski Mine, Dalnegorsk, Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia
 Dimensions: 4.2 x 7.1 cm
 Description:
An intergrown group of three yellowish brown calcite crystals with low-angled rhomb terminations and a silky luster. Collected in summer 2015.
 Viewed:  14022 Time(s)

Calcite - Nikolaevskiy Mine.jpg


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Michael Shaw
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PostPosted: Apr 18, 2016 08:56    Post subject: Re: Collection of Michael Shaw  

...


Galena - Smallcleugh Mine.jpg
 Mineral: Galena
 Locality:
Smallcleugh Mine, Nenthead, Alston Moor District, North Pennines Orefield, former Cumberland, Cumbria, United Kingdom England
 Dimensions: 4.0 x 8.3 cm
 Description:
Several lead-gray cuboctahedral galena crystals scattered over an elongated piece of breccia.
 Viewed:  13914 Time(s)

Galena - Smallcleugh Mine.jpg


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PostPosted: Apr 18, 2016 10:07    Post subject: Re: Collection of Michael Shaw  

Very sweet galena!
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Tobi




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PostPosted: Apr 18, 2016 11:01    Post subject: Re: Collection of Michael Shaw - funny coincidence  

Indeed very sweet, I love it! And how funny: It looks like the twin of MY galena from that mine, it has even the same size :-) :-) :-)


separated_at_birth.JPG
 Description:
 Viewed:  13823 Time(s)

separated_at_birth.JPG


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Michael Shaw
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PostPosted: Apr 18, 2016 11:12    Post subject: Re: Collection of Michael Shaw  

Tobi wrote:
Indeed very sweet, I love it! And how funny: It looks like the twin of MY galena from that mine, it has even the same size :-) :-) :-)


Thanks Bob. Tobi - the similarity of these 2 specimens is quite remarkable. Always nice to see another specimen from a collector who loves galena as much as myself. Thanks for showing yours.
Michael
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