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Collection of Michael Shaw
  Goto page Previous  1, 2, 3 ... 19, 20, 21 ... 77, 78, 79  Next
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Joseph DOliveira




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PostPosted: Jan 25, 2014 20:23    Post subject: Re: Collection of Michael Shaw  

Beautiful specimens with complimentary photography, very nice collection Michael.
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Michael Shaw
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PostPosted: Jan 27, 2014 11:26    Post subject: Re: Collection of Michael Shaw  

Thanks Joseph.

The next few posts will feature specimens from the Democratic Republic of the Congo and it's mineral-rich Katanga Province.



0693 Cuprite.jpg
 Description:
Cuprite
Mashamba West Mine, Kolwezi, Katanga Prov., DR Congo
3.0 x 5.2 cm
Lustrous, dark red octahedral cuprite crystals with minor plancheite and malachite.
 Viewed:  22716 Time(s)

0693 Cuprite.jpg



1276 Heterogenite.jpg
 Description:
Heterogenite
Star of Congo Mine, Lubumbashi, Katanga Prov., DR Congo
4.0 x 5.5 cm
Dark blue-green botryoidal crusts of heterogenite on chrysocolla. Acquired from Gilbert Gauthier in 2001.
 Viewed:  22693 Time(s)

1276 Heterogenite.jpg



0451 Cornetite.jpg
 Description:
Cornetite
Star of Congo Mine, Lubumbashi, Katanga Prov., DR Congo
4.3 x 7.4 cm
Dark blue radial crystal groups of cornetite with malachite.
 Viewed:  22704 Time(s)

0451 Cornetite.jpg


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Roger Warin




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PostPosted: Jan 27, 2014 12:07    Post subject: Re: Collection of Michael Shaw  

very nice specimens that I know well
Roger.
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Michael Shaw
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PostPosted: Jan 29, 2014 10:12    Post subject: Re: Collection of Michael Shaw  

Thanks Roger. I guess you are a fan of the Copper Crescent?

Continuing with the Congo. Various forms of malachite.



0943 Malachite ps. azurite.jpg
 Description:
Malachite ps. after Baryte
Mashamba West Mine, Kolwezi, Katanga Prov., DR Congo
5.0 x 5.3 cm
Velvety malachite replacing crystals of bladed Baryte.
 Viewed:  22609 Time(s)

0943 Malachite ps. azurite.jpg



0954 Malachite.jpg
 Description:
Malachite
Mashamba West Mine, Kolwezi, Katanga Prov., DR Congo
5.6 x 6.8 cm
Stalactitic forms coated with dark green malachite microcrystals.
 Viewed:  22593 Time(s)

0954 Malachite.jpg



1097 Malachite.jpg
 Description:
Malachite
Kiswishi Mine, Lubumbashi, Katanga Prov., DR Congo
4.5 x 7.0 cm
Velvety green chatoyant crystal sheaves.
 Viewed:  22615 Time(s)

1097 Malachite.jpg



1004 Malachite.jpg
 Description:
Malachite
Mashamba West Mine, Kolwezi, Katanga Prov., DR Congo
4.5 x 6.0 cm
Clusters of dark green primary malachite.
 Viewed:  22620 Time(s)

1004 Malachite.jpg


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Michael Shaw
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PostPosted: Jan 31, 2014 12:52    Post subject: Re: Collection of Michael Shaw  

Continuing with minerals from the Democratic Republic of Congo.


1756 Pseudomalachite.jpg
 Description:
Pseudomalachite
Star of Congo Mine, Lubumbashi, Katanga Prov., DR Congo
7.4 x 11.0 cm
Bluish-green botryoidal pseudomalachite overlaying massive black tenorite.
 Viewed:  22524 Time(s)

1756 Pseudomalachite.jpg



1069 Barite on malachite.jpg
 Description:
Baryte
Shangulowé Mine, Kambove District, Katanga Prov., DR Congo
3.7 x 4.0 cm
Parallel growth of colorless doubly terminated Baryte crystals tinted with
inclusions of malachite.
 Viewed:  22554 Time(s)

1069 Barite on malachite.jpg



0995 Torbernite.jpg
 Description:
Metatorbernite
Musonoi Extension, Kolwezi, Katanga Prov., DR Congo
5.0 x 9.0 cm
Emerald-green bladed crystals of metatorbernite covering a gray matrix.
 Viewed:  22523 Time(s)

0995 Torbernite.jpg



1135 Carrollite (3).jpg
 Description:
Carrollite
Kamoya South II Mine, Kambove Dist., Katanga Prov., DR Congo
4,2 x 5.3 cm.
Lustrous, sharp metallic carrollite crystal measuring 1.2 cm. frozen in a calcite matrix. Found in 2001 and acquired from Gilbert Gauthier.
 Viewed:  22523 Time(s)

1135 Carrollite (3).jpg



1410 Dioptase.jpg
 Description:
Dioptase
Tantara Mine, Shinkolobwe, Katanga Prov., DR Congo
4.8 x 6.3 cm
Emerald-green crystals of dioptase on a chrysocolla matrix.
 Viewed:  22536 Time(s)

1410 Dioptase.jpg


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Roger Warin




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PostPosted: Jan 31, 2014 13:44    Post subject: Re: Collection of Michael Shaw  

very nice carrollite.
Roger.
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Michael Shaw
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PostPosted: Feb 03, 2014 16:23    Post subject: Re: Collection of Michael Shaw  

Roger Warin wrote:
very nice carrollite.
Roger.


Thanks Roger. The most recent issue of Mineralogical Record was accompanied by a DVD of the Dallas Mineral Symposium, and one of the speakers was Brice Gobin, who talked about some of his experiences acquiring carrollites in the Congo. Scary stuff.

For today's post I would like to show a few of our specimens from Germany.



0017 Manganite.jpg
 Description:
Manganite
Ilfeld, Nordhausen, Harz Mts., Thüringia, Germany
4.8 x 5.9 cm
Lustrous, black, prismatic managanite crystals with typical longitudinal striations and minor calcite.
 Viewed:  22437 Time(s)

0017 Manganite.jpg



0241 Barite.jpg
 Description:
Baryte
Dreislar Mine, Dreislar, N. Rhine-Westphalia, Germany
6.4 x 7.0 cm
Cream-colored,bladed Baryte crystals to sprinkled with small brassy chalcopyrite crystals.
 Viewed:  22407 Time(s)

0241 Barite.jpg



0288 Strunzite.jpg
 Description:
Strunzite
Hagendorf South pegmatite, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Bavaria, Germany
3.5 x 3.6 cm
Straw-colored acicular strunzite crystals lining cavities with black rockbridgeite and orange laueite.
 Viewed:  22424 Time(s)

0288 Strunzite.jpg


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Roger Warin




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PostPosted: Feb 03, 2014 17:13    Post subject: Re: Collection of Michael Shaw  

Hello Michael,
Yes I know that specialist. In fact I knew him as a boy, and his brother too when I was buying minerals from his parents.
Bravo, famous manganite. In Munich I had the opportunity to purchase a beautiful manganite from Ilfeld in the 80s, but I hesitated and I have not had a new opportunity.
Roger.
PS Do you know the paper of my friend Dr J. Lhoest in M.R.?
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Michael Shaw
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PostPosted: Feb 03, 2014 20:41    Post subject: Re: Collection of Michael Shaw  

Roger Warin wrote:
Hello Michael,
Yes I know that specialist. In fact I knew him boy, and his brother too when I was buying minerals to his parents.
Bravo, famous manganite. In Munich I had the opportunity to purchase a beautiful manganite from Ilfeld in the 80s, but I hesitated and I have not had a new opportunity.
Roger.
PS Do you know the paper of my friend Dr J. Lhoest in M.R.?


Roger,

Yes, I have read both articles in M.R. by your friend. Those articles about famous localities are why I am a subscriber.

Michael
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PostPosted: Feb 05, 2014 10:18    Post subject: Re: Collection of Michael Shaw  

Continuing with minerals from Germany.


0367 Pyromorphite.jpg
 Description:
Pyromorphite
Mercur Mine, Bad Ems, Rhineland-Palatinate, Germany
4.2 x 5.3 cm
Barrel-shaped pyromorphite crystals on a crystallized and massive pyromorphite matrix.
 Viewed:  22118 Time(s)

0367 Pyromorphite.jpg



0828 Picromerite halite.jpg
 Description:
Leonite ps. after picromerite
Wintershall Potash Works, Heringen, Hesse, Germany
8.0 x 8.0 cm
Opaque white leonite crystals on a pinkish halite matrix. The leonite crystals are pseudomorphs of picromerite, which is colorless when fresh, but quickly alters white leonite by dehydration.
 Viewed:  22033 Time(s)

0828 Picromerite halite.jpg



1027 Pyromorphite.jpg
 Description:
Pyromorphite
Friedrichssegen Mine, Frücht, Bad Ems Dist., Rhineland-Palatinate, Germany
2.5 x 3.5 cm
A stacked group of slightly offset, light brown pyromorphite crystals.
 Viewed:  22048 Time(s)

1027 Pyromorphite.jpg


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PostPosted: Feb 18, 2014 17:43    Post subject: Re: Collection of Michael Shaw  

Continuing with minerals from Germany in our collection.


1375 Fluorite.jpg
 Description:
Fluorite
Frohnau, Annaberg-Buchholz, Erzgebirge, Saxony, Germany
5.5 x 8.0 cm
Cubic yellow fluorite crystals with zones of bluish purple on the edges.
 Viewed:  21949 Time(s)

1375 Fluorite.jpg



1411 Barite.jpg
 Description:
Baryte
Pohla, Schwarzenberg District, Erzgebirge, Saxony, Germany
7.3 z 9.0 cm
Flat triangular plate of country rock covered with lustrous, gemmy sherry-colored, Baryte crystals to 2 cm.
 Viewed:  21788 Time(s)

1411 Barite.jpg



1688 Gypsum var. selenite.jpg
 Description:
Gypsum
Dämmelwald clay pit, Wiesloch, Baden-Württemberg, Germany
6.1 x 9.0 cm
Two intersecting transparent gypsum crystals which exhibit green fluorescence under SW UV.
 Viewed:  21824 Time(s)

1688 Gypsum var. selenite.jpg



1690 Gypsum.jpg
 Description:
Gypsum
Thomas Munzer Shaft, Sangerhausen, Saxony-Anhalt, Germany
7.0 x 10.3 cm
A group of reddish-brown, twinned gypsum crystals to 3 cm.
 Viewed:  21786 Time(s)

1690 Gypsum.jpg


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Don Lum




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PostPosted: Feb 18, 2014 18:06    Post subject: Re: Collection of Michael Shaw  

Michael, I really like the zoning on your fluorite from Saxony. When I saw it my first thought was that it was from Cave-in-Rock.

Don

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PostPosted: Feb 19, 2014 11:15    Post subject: Re: Collection of Michael Shaw  

Thank you Michael for showing some really nice samples of German minerals!

And Don, you're right: Looks similiar to Cave-In-Rock, but the zoning is also typical for Saxon fluorites. For example, look at this crystals from another mine in Annaberg District (especially the close-up picture):

https://www.mineral-forum.com/message-board/viewtopic.php?p=28480#28480

Tobi
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Michael Shaw
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PostPosted: Feb 20, 2014 15:53    Post subject: Re: Collection of Michael Shaw  

Tobi wrote:
Thank you Michael for showing some really nice samples of German minerals!

Tobi


Thank you Tobi. Our collection of minerals from Germany is quite small; I'd like to focus more on your country in the future.

Michael
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PostPosted: Feb 20, 2014 16:51    Post subject: Re: Collection of Michael Shaw  

Thank you, Tobi. I went to the link you sent and really enjoyed your specimens.

Regards,

Don

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PostPosted: Feb 21, 2014 13:14    Post subject: Re: Collection of Michael Shaw  

A few more from Germany.


1733 Galena.jpg
 Description:
Galena
Ramsbeck, Sauerland, North Rhine-Westphalia, Germany
5.3 x 7.3 cm
Semi-lustrous lead-gray cubic crystals of galena to 1.7 cm on edge.
 Viewed:  21796 Time(s)

1733 Galena.jpg



1735 Halite.jpg
 Description:
Halite
Wintershall Potash Works, Heringen, Werra Valley, Hesse, Germany,
10.0 x 15.6 cm
Colorless halite cubes to 3.1 cm on edge scattered over a pink halite matrix. Collected in 1966.
 Viewed:  21604 Time(s)

1735 Halite.jpg



1739 Galena.jpg
 Description:
Galena
Neudorf, Harzgerode, Saxony-Anhalt, Germany
5.8 x 6.1 cm
Lead-gray modified galena crystals to 2.0 cm with minor crystallized siderite in association.
 Viewed:  21574 Time(s)

1739 Galena.jpg


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PostPosted: Feb 21, 2014 14:09    Post subject: Re: Collection of Michael Shaw  

Very nice, especially the galena specimens!

Tobi
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PostPosted: Feb 24, 2014 11:04    Post subject: Re: Collection of Michael Shaw  

Thanks Tobi. Today's post will finish up our small collection of specimens from Germany


1816 Silver on arsenic.jpg
 Description:
Silver
Pöhla-Tellerhäuser Mine, Block 0985, Pöhla, Erzgebirge, Saxony-Anhalt, Germany
4.2 x 7.4 cm
Dendritic herring-bone silver crystals scattered over a native arsenic matrix.
 Viewed:  21441 Time(s)

1816 Silver on arsenic.jpg



1812 Aragonite.jpg
 Description:
Aragonite var. "cave pearls"
Röhrig Shaft, Wettelrode, Sangerhausen, Saxony-Anhalt, Germany
8.0 x 10.0 cm
An good example of aragonite "cave pearls" formed as a result of mineralized water dripping from stalactites.
 Viewed:  21420 Time(s)

1812 Aragonite.jpg



2092 Silver.jpg
 Description:
Silver
Himmelsfurst Mine, Brand-Erbisdorf, Freiberg District, Saxony-Anhalt, Germany
3.0 x 5.5 cm
Ropy native silver wires from a classic German locality.
 Viewed:  21404 Time(s)

2092 Silver.jpg


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PostPosted: Feb 24, 2014 13:49    Post subject: Re: Collection of Michael Shaw  

Michael,

Gwen and I enjoyed meeting you and Laura at Tucson this year.

I really like these last three specimens you posted today especially the aragonite cave pearls.

Don

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PostPosted: Feb 24, 2014 14:21    Post subject: Re: Collection of Michael Shaw  

Don Lum wrote:
I really like these last three specimens you posted today especially the aragonite cave pearls.


Agreed! First of these bird nests I've seen from Germany. Very nice!
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