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Collection of Michael Shaw
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Roger Warin




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PostPosted: Aug 01, 2014 16:13    Post subject: Re: Collection of Michael Shaw  

Hi,
Congratulations to your excellent cafarsite.
Roger.
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Don Lum




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PostPosted: Aug 01, 2014 16:17    Post subject: Re: Collection of Michael Shaw  

Michael,

I really like your hematite 1009.

Don

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Michael Shaw
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PostPosted: Aug 01, 2014 16:23    Post subject: Re: Collection of Michael Shaw  

Martin Rich wrote:
Hello Michael!

Congratulations to your exellent specimens and photos! I like this Cornish Cerussite and especial the Hematite from the Cavradi gorge. Theo Vencin is a well known collector/"Strahler" here in Europe.

Martin


Thank you Martin,
I was very happy to find the cerussite in Tucson last February. I had never seen one from that location at any of the shows I have attended.

I was reading the latest issue of Mineralogical Record, where there is a review of a new book on Cavradi. Mr. Venzin is mentioned as one of the authors. I will have to purchase a copy; it looks like it will be interesting reading.

Michael
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Michael Shaw
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PostPosted: Aug 01, 2014 16:26    Post subject: Re: Collection of Michael Shaw  

Thank you for your kind comments, Roger and Don.
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Tobi




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PostPosted: Aug 02, 2014 00:33    Post subject: Re: Collection of Michael Shaw  

Hi Michael,

I agree with our guys, you really do a good job in showing minerals both from famous localities and from places rather unknown (especially in the U.S.), one of my favourites is the wonderful pyrite from a Pennsylvanian locality I never heard of ( https://www.mineral-forum.com/message-board/viewtopic.php?p=40372#40372 ), I like the cubic crystals on matrix.

Great stuff, please more!
Tobi
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Michael Shaw
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PostPosted: Aug 02, 2014 07:53    Post subject: Re: Collection of Michael Shaw  

Tobi wrote:
Hi Michael,

i agree with our guys, you really do a good job in showing minerals both from famous localities and from places rather unknown (especially in the U.S.), one of my favourites is the wonderful pyrite from a Pennsylvanian locality I never heard of ( https://www.mineral-forum.com/message-board/viewtopic.php?p=40372#40372 ), I like the cubic crystals on matrix.

Great stuff, please more!
Tobi


Many thanks, Tobi. The French Creek mines, where the pyrite is from, is a well-known U.S. locality, but has been defunct for nearly 90 years. Iron ore was discovered there in 1845, but the ore was mostly exhausted by 1926, and the mines closed in 1928. Specimens of chalcopyrite, pyrite, and magnetite from French Creek are often seen in old U.S. collections, but probably less so outside the U.S. An interesting side note is the fact that Charles Wheatley, the mine manager at the famous Wheatley Mines in Chester County, owned the Jones Mine, one of the two mines at French Creek.

Michael
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Michael Shaw
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PostPosted: Aug 06, 2014 10:05    Post subject: Re: Collection of Michael Shaw  

A few pieces from Turkey.


1820 Chalcanthite.jpg
 Description:
Chalcanthite
Murgul Cu-Zn-Pb deposit, Murgul, Artvin Province, Black Sea Region, Turkey
5.5 x 7.0 cm
A bright blue botryoidal crust of chalcanthite.
 Viewed:  19983 Time(s)

1820 Chalcanthite.jpg



1930 Pyrite.jpg
 Description:
Pyrite
Murgul Cu-Zn-Pb deposit, Murgul, Artvin Province, Black Sea Region, Turkey
6.0 x 6.5 cm
Sharp brassy octahedral crystals of pyrite to 1.5 cm on a massive pyrite matrix.
 Viewed:  19960 Time(s)

1930 Pyrite.jpg



1650 Clinochlore closeup.jpg
 Description:
Clinochlore var. kammererite
Kop Krom mine, Kop Daglari, Erzurum Province, Eastern Anatolia Region, Turkey
5.3 x 8.0 cm, FOV ~ 1.5 cm
Sharp reddish-purple chromian clinochlore crystals to 0.4 cm scattered over a thin layer of micro clinochlore crystals on a dark gray chromite matrix
 Viewed:  20082 Time(s)

1650 Clinochlore closeup.jpg


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Roger Warin




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PostPosted: Aug 06, 2014 15:20    Post subject: Re: Collection of Michael Shaw  

Fine kammererite.
Roger.
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Susan Robinson




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PostPosted: Aug 06, 2014 15:22    Post subject: Re: Collection of Michael Shaw  

I thought the name kammererite was changed to chromian clinochlore.
Susan Robinson

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Michael Shaw
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PostPosted: Aug 06, 2014 15:52    Post subject: Re: Collection of Michael Shaw  

Susan Robinson wrote:
I thought the name kammererite was changed to chromian clinochlore.
Susan Robinson


Hi Susan,

It may well have been changed, it's hard to keep up with all the name changing these days. I checked the most recent Fleischers that I have (2008) and neither chromian clinochlore or kammererite is listed as a variety of clinochlore. That being said, most longtime collectors still know this colorful mineral by the name that Nils Gustaf Nordenskiöld gave it in 1841 in honor of August Alexander Kämmerer.

Michael
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PostPosted: Aug 11, 2014 13:10    Post subject: Re: Collection of Michael Shaw  

Minerals from the Ukraine.


0428 Cummingtonite.jpg
 Description:
Cummingtonite
Krivoy Rog, Dnipropetrovs'k Oblast, Ukraine
6.0 x 8.7 cm
Fine acicular silver-gray crystals frozen in dark slate-gray matrix. Ex. Fersman Museum.
 Viewed:  19784 Time(s)

0428 Cummingtonite.jpg



0540 Vivianite.jpg
 Description:
Vivianite
Kamysh-Burun Trough, Kerchenskoe deposit, Crimea Peninsula, Crimea Oblast, Ukraine
5.6 x 6.3 cm
Sprays of dark green bladed vivianite resting on a thin layer of oolitic black limonite covering a brown gossan matrix.
 Viewed:  19838 Time(s)

0540 Vivianite.jpg



0088 Beryl var. heliodor.jpg
 Description:
Beryl var. heliodor
Volodarsk-Volynskii, Zhytomyr Oblast, Ukraine
1.3 x 5.5 cm
Gemmy, doubly-terminated heliodor crystal showing the complex etching pattern typical of this locale.
 Viewed:  19816 Time(s)

0088 Beryl var. heliodor.jpg



1988 Vivianite.jpg
 Description:
Vivianite
Kamysh-Burun Trough, Kerchenskoe deposit, Crimea Peninsula, Crimea Oblast, Ukraine
6.4 x 7.7 cm
Lustrous dark green spearlike vivianite crystals lining a shallow cavity in the shell of a fossil bivalve.
 Viewed:  19811 Time(s)

1988 Vivianite.jpg


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Don Lum




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PostPosted: Aug 11, 2014 13:27    Post subject: Re: Collection of Michael Shaw  

I like your Heliodor from the Ukraine, Michael. Great color and etched surface and terminations.

Don

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Michael Shaw
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PostPosted: Aug 11, 2014 14:42    Post subject: Re: Collection of Michael Shaw  

Don Lum wrote:
I like your Heliodor from the Ukraine, Michael. Great color and etched surface and terminations.

Don


Thanks Don. If you have Min. Record Vol. 40, #6, there is a good article about the pegmatites where these heliodors were found. Photos of some of the finer and larger crystals are fantastic.

Regards,
Michael
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PostPosted: Aug 14, 2014 09:25    Post subject: Re: Collection of Michael Shaw  

A few minerals from South Africa.


0315 Corundum.jpg
 Description:
Corundum
Zoutpansburg, Gauteng Province, South Africa
3.2 x 6.5 cm
A doubly-terminated hexagonal prism of gray corundum with pinacoid terminations.
 Viewed:  19624 Time(s)

0315 Corundum.jpg



0891 Quartz.jpg
 Description:
Quartz
Messina Mine, Messina, Limpopo Province, South Africa
6.0 x 7.3 cm
Doubly-terminated quartz crystals colored reddish-brown by inclusions of hematite with micro black hematite crystals coating several prism faces.
 Viewed:  19632 Time(s)

0891 Quartz.jpg



0731 Papagoite in quartz.jpg
 Description:
Papagoite
Messina Mine, Messina, Limpopo Province, South Africa
3.0 x 6.8 cm
Blue papagoite and black hematite inclusions in quartz associated with drusy green epidote.
 Viewed:  19641 Time(s)

0731 Papagoite in quartz.jpg


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PostPosted: Aug 22, 2014 10:27    Post subject: Re: Collection of Michael Shaw  

A few more from South Africa.


1245 Bulfonteinite.jpg
 Mineral: Bultfonteinite
 Locality:
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
 Dimensions: 5.5 x 10.0 cm FOV ~ 4.0 cm
 Description:
Bowtie groups of acicular bultfonteinite crystals scattered among blocky, beige-colored olmiite crystals on dark matrix.
 Viewed:  19554 Time(s)

1245 Bulfonteinite.jpg



1433 Amethyst.jpg
 Mineral: Quartz var. amethyst
 Locality:
Boekenhoutshoek area, Mkobola, Nkangala District, Mpumalanga Province, South Africa
 Dimensions: 6.5 x 7.5 cm
 Description:
Lilac-colored amethyst crystals with prism faces overgrown by small amethyst crystals, locally known as "cactus quartz."
 Viewed:  19543 Time(s)

1433 Amethyst.jpg



1435 Siderite after calcite.jpg
 Mineral: Siderite ps. calcite
 Locality:
Broken Hill Mine, Aggeneys, Namakwa District (Namaqualand), Northern Cape Province, South Africa
 Dimensions: 4.3 x 5.1 cm
 Description:
Barrel-shaped, hollow, brown siderite epimorph of a calcite crystal. Microprobe analysis has shown sphalerite to be present as well.
 Viewed:  19509 Time(s)

1435 Siderite after calcite.jpg


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Michael Shaw
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PostPosted: Aug 27, 2014 10:31    Post subject: Re: Collection of Michael Shaw  

A few specimens from Poland.


1779 Halite.jpg
 Locality:
Wieliczka Mine, Wieliczka, Małopolskie, Poland
 Dimensions: 4.1 x 5.4 cm
 Description:
Colorless cubic halite crystals to 3 cm. This mine has been in operation for over 700 years. It contains over 2100 chambers and 4 chapels decorated entirely of salt. Unesco lists it as one of the top 12 world attractions.
 Viewed:  19414 Time(s)

1779 Halite.jpg



0440 Halite.jpg
 Locality:
Solno Mine, Inowrocław, Kujawsko-Pomorskie, Poland
 Dimensions: 5.0 x 6.3 cm
 Description:
Large water-clear cubic crystal exhibiting stepped growth.
 Viewed:  19436 Time(s)

0440 Halite.jpg



1200 Gypsum.jpg
 Mineral: Gypsum
 Locality:
Machów Mine, Tarnobrzeg, Subcarpathian Voivodeship, Poland
 Dimensions: 4.0 x 6.5 cm
 Description:
Slender, pale yellow to colorless gypsum crystals many of which are included or coated with black microscopic, spherical aggregates of hauerite.
 Viewed:  19426 Time(s)

1200 Gypsum.jpg


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Michael Shaw
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PostPosted: Aug 29, 2014 09:29    Post subject: Re: Collection of Michael Shaw  

More from Poland.


0238 Celestite on sulfur.jpg
 Mineral: Celestine on sulfur
 Locality:
Machów Mine, Tarnobrzeg, Subcarpathian Voivodeship, Poland
 Dimensions: 7.0 x 9.3 cm
 Description:
Water-clear celestine crystals to 1.1 cm on a matrix of drusy yellow sulfur.
 Viewed:  19302 Time(s)

0238 Celestite on sulfur.jpg



0767 Sulfur.jpg
 Mineral: Sulfur
 Locality:
Machów Mine, Tarnobrzeg, Subcarpathian Voivodeship, Poland
 Dimensions: 5.0 x 7.0 cm
 Description:
Bright yellow sulfur crystals to 1.5 cm on a layer of small gray calcite crystals.
 Viewed:  19281 Time(s)

0767 Sulfur.jpg



1151 Celestine.jpg
 Mineral: Celestine
 Locality:
Machów Mine, Tarnobrzeg, Subcarpathian Voivodeship, Poland
 Dimensions: 6.0 x 6.5 cm
 Description:
A group of needle-shaped, amber-colored celestine crystals associated with traces of powdery yellow sulfur.
 Viewed:  19280 Time(s)

1151 Celestine.jpg


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Pierre Joubert




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PostPosted: Aug 29, 2014 10:42    Post subject: Re: Collection of Michael Shaw  

I like this last celestine Michael!
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PostPosted: Aug 29, 2014 17:16    Post subject: Re: Collection of Michael Shaw  

Pierre Joubert wrote:
I like this last celestine Michael!


Thanks Pierre,
What's interesting is the varied morphology and color of celestine from this deposit. The crystals can be thick and blocky to needle-like, and they can vary in color from water-clear, to white, amber, and blue.
Michael
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PostPosted: Sep 01, 2014 09:33    Post subject: Re: Collection of Michael Shaw  

The last few from Poland.


TN517 Barite.jpg
 Mineral: Barite
 Locality:
Stanisławów, Jawor District, Lower Silesia, Poland
 Dimensions: 1.9 x 2.4 cm
 Description:
 Viewed:  19193 Time(s)

TN517 Barite.jpg



0562 Schalenblende.jpg
 Mineral: Sphalerite, wurtzite, galena, and marcasite
 Locality:
Olkusz Mine, Olkusz, Olkusz District, Małopolskie, Poland
 Dimensions: 4.2 x 8.5 cm
 Description:
A polished slab of "schalenblende" showing layers of sphalerite-wurtzite (brown and yellow bands) as well as galena (gray), and perhaps some marcasite.
 Viewed:  19095 Time(s)

0562 Schalenblende.jpg



1376 Galena (2).jpg
 Locality:
Olkusz Mine, Olkusz, Olkusz District, Małopolskie, Poland
 Dimensions: 5.6 x 9.0 cm
 Description:
Sharply-formed, octahedral galena crystals to 2.5 cm with scattered crystals of brownish sphalerite.
 Viewed:  19128 Time(s)

1376 Galena (2).jpg


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