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Collection of Michael Shaw
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Greg Lilly




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PostPosted: Oct 07, 2013 18:43    Post subject: Re: Collection of Michael Shaw  

Don Lum wrote:
Jordi Fabre wrote:
This image: https://www.mineral-forum.com/message-board/files/tn216_spessartine_180.jpg (in https://www.mineral-forum.com/message-board/viewtopic.php?p=34589#34589 ) is one of the more appealing images of Spessartines I have seen.

My warmest congratulations Michael!

Michael, I heartily agree with Jordi. Beautiful.

Don

Me Too!
Excellent specimen and photo,
thank you, Greg
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Michael Shaw
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PostPosted: Oct 08, 2013 07:49    Post subject: Re: Collection of Michael Shaw  

Thanks to Jordi, Don, Appies, and Greg for the nice comments on our spessartine.

I'll start off today with another specimen from the same location and end with a couple of copper minerals.



TN277 Smoky Quartz.jpg
 Description:
Smoky quartz
Wushan Mine, Tongbei, Yunxaio Co., Fujian Prov., China
2.3 cm.
A jacket of orange spessartine surrounding smoky quartz.
 Viewed:  22765 Time(s)

TN277 Smoky Quartz.jpg



1037 Azurite.jpg
 Description:
Azurite
Shilu Mine, Yangchun Co., Guangdong Prov., China
5.6 x 5.7 cm.
A bright blue spherical azurite rosette.
 Viewed:  22740 Time(s)

1037 Azurite.jpg



1294 Malachite.jpg
 Description:
Malachite
Shilu Mine, Yangchun Co., Guangdong Prov., China
3.6 x 5.1 cm
Dark green botryoidal malachite with a chatoyant luster.
 Viewed:  22762 Time(s)

1294 Malachite.jpg


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Michael Shaw
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PostPosted: Oct 10, 2013 14:31    Post subject: Re: Collection of Michael Shaw  

A few more from China.


1143 Hematite.jpg
 Description:
Hematite
Jinlong Hill, Longchuan Co., Heyaun Pref., Guangdong Prov., China
7.7 x 9.7 cm.
Colorless to reddish-tinged quartz crystals to 3.5 cm associated with bladed black rosettes of hematite.
 Viewed:  22432 Time(s)

1143 Hematite.jpg



TN251 Mimetite.jpg
 Description:
Mimetite
Pintouling Mine, Sanjiang, Liannan Co., Guangdong Prov., China
2.1 x 2.2 cm.
Hexagonal prisms of yellow to orange mimetite with pinacoid terminations. These first reached the U.S. market in Jan. 2003. Unfortunately, specimens were collected for only a few months before the supply was exhausted.
 Viewed:  22443 Time(s)

TN251 Mimetite.jpg



1910 Vesuvianite.jpg
 Description:
Vesuvianite
Fushan Mine, She Co., Handan Pref., Hebei Prov. China
3.0 x 3.0 cm.
Single, lustrous, root-beer colored crystal of vesuvianite exhibiting a
tabular habit with {100} and {111} faces.
 Viewed:  22466 Time(s)

1910 Vesuvianite.jpg


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PostPosted: Oct 12, 2013 10:11    Post subject: Re: Collection of Michael Shaw  

More from China. Today's offerings are all from Guangxi Zhuang Autonomous Region.


1092 Pyromorphite.jpg
 Description:
Pyromorphite
Daoping Mine, Gongcheng Co., Guilin Pref., Guangxi Zhuang AR, China
4.2 x 6.7 cm.
Apple-green, hexagonal prisms with hoppered terminations.
 Viewed:  22247 Time(s)

1092 Pyromorphite.jpg



TN163 Pyromorphite.jpg
 Description:
Pyromorphite
Daoping Mine, Gongcheng Co., Guilin Pref., Guangxi Zhuang AR, China
1.6 x 2.5 cm.
 Viewed:  22217 Time(s)

TN163 Pyromorphite.jpg



2139 Calcite.jpg
 Description:
Calcite
Fozichong Mine, Cenxi Co., Wuzhou Pref., Guangxi Zhuang AR, China
6.1 x 7.2 cm
Doubly-terminated, colorless , barrel-shaped calcite crystal with opaque white zones at the terminal ends on a matrix of smaller calcite crystals.
 Viewed:  22217 Time(s)

2139 Calcite.jpg



1850 Rhodochrosite.jpg
 Description:
Rhodochrosite
Wutong Mine, Liubao, Cangwu Co., Guangxi Zhuang AR, China
3.1 x 4.0 cm.
A single flattened rhomb of reddish-pink rhodochrosite with a satiny luster.
 Viewed:  22232 Time(s)

1850 Rhodochrosite.jpg


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Pierre Joubert




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PostPosted: Oct 13, 2013 05:54    Post subject: Re: Collection of Michael Shaw  

Hi Michael. Your photography is excellent and so are your specimens, especially the Mimetite (TN 251) and Pyromorphite (1092). Do you mind sharing your light source info. with us?
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PostPosted: Oct 13, 2013 10:34    Post subject: Re: Collection of Michael Shaw  

Pierre Joubert wrote:
Hi Michael. Your photography is excellent and so are your specimens, especially the Mimetite (TN 251) and Pyromorphite (1092). Do you mind sharing your light source info. with us?


Thank you Pierre. I'm willing to share all I know about shooting mineral images - anything that I can do to help others take better pictures of their specimens, I am happy to share. I use 4 lights with halogen bulbs. The bulbs have a color temperature of 3200 K. My camera is set to match this light source, so I generally don't have to do much editing to get the true color of most minerals. In general, the lights are positioned one on each side of the specimen, and one on top, slightly towards to back. The fourth is located to illuminate the background, which is under the glass that the specimen is resting on. I use a variety of small reflectors positioned to highlight crystal faces and often a diffuser (made from a sheet of vellum) on one of the side lights that helps to render a more 3 dimensional form. The setup I use today has evolved over several years and lots of experimentation. You can't be afraid to shoot a lot of images to find out what works best. Of course, digital cameras have really made this whole process more efficient. I hope I have been helpful.
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PostPosted: Oct 13, 2013 10:56    Post subject: Re: Collection of Michael Shaw  

Hello Michael,

Thanks for sharing your lighting techniques.
Any particular reason why do you choose warm light sources which are known to enhance reds and oranges?

Gérard
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PostPosted: Oct 13, 2013 13:20    Post subject: Re: Collection of Michael Shaw  

crosstimber wrote:
Pierre Joubert wrote:
Hi Michael. Your photography is excellent and so are your specimens, especially the Mimetite (TN 251) and Pyromorphite (1092). Do you mind sharing your light source info. with us?


Thank you Pierre. I'm willing to share all I know about shooting mineral images - anything that I can do to help others take better pictures of their specimens, I am happy to share. I use 4 lights with halogen bulbs. The bulbs have a color temperature of 3200 K. My camera is set to match this light source, so I generally don't have to do much editing to get the true color of most minerals. In general, the lights are positioned one on each side of the specimen, and one on top, slightly towards to back. The fourth is located to illuminate the background, which is under the glass that the specimen is resting on. I use a variety of small reflectors positioned to highlight crystal faces and often a diffuser (made from a sheet of vellum) on one of the side lights that helps to render a more 3 dimensional form. The setup I use today has evolved over several years and lots of experimentation. You can't be afraid to shoot a lot of images to find out what works best. Of course, digital cameras have really made this whole process more efficient. I hope I have been helpful.

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PostPosted: Oct 13, 2013 13:24    Post subject: Re: Collection of Michael Shaw  

Gerard Martayan wrote:
Hello Michael,

Thanks for sharing your lighting techniques.
Any particular reason why do you choose warm light sources which are known to enhance reds and oranges?

Gérard


Hi Gerard,

After having tried several other light sources, this is what I find gives me the best results. While the color temp of halogen bulb should enhance reds and oranges, I have found that for the most part the color in the images is very similar to the color of the actual specimen. There are exceptions of course, dioptase for one, needs quite a bit of manipulation to render a true color. I know some photographers who use CFL bulbs with good results, but I have not had good luck with them. The only thing I do not like about halogens is that they give off a great deal of heat.

Michael
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PostPosted: Oct 13, 2013 13:32    Post subject: Re: Collection of Michael Shaw  

Hi Michael, for some or other reason my thank you dissapeared from my previous message; nevertheless, thank you again for sharing your success wiith us.
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PostPosted: Oct 13, 2013 15:51    Post subject: Re: Collection of Michael Shaw  

Pierre Joubert wrote:
Hi Michael. Your photography is excellent and so are your specimens, especially the Mimetite (TN 251) and Pyromorphite (1092). Do you mind sharing your light source info. with us?


Hello Michael,

I also wish to thank you for sharing your photography tips with us. Is there a secret to how to make the back edge of the glass disappear from the picture? Is it the way you position the overhead light? I've always been a slow learner. Is there any chance of your posting a picture of your setup?

Sincerely,

Don

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PostPosted: Oct 13, 2013 19:39    Post subject: Re: Collection of Michael Shaw  

Don Lum wrote:
Pierre Joubert wrote:
Hi Michael. Your photography is excellent and so are your specimens, especially the Mimetite (TN 251) and Pyromorphite (1092). Do you mind sharing your light source info. with us?


Hello Michael,

I also wish to thank you for sharing your photography tips with us. Is there a secret to how to make the back edge of the glass disappear from the picture? Is it the way you position the overhead light? I've always been a slow learner. Is there any chance of your posting a picture of your setup?

Sincerely,

Don


Hi Don,

A photo of my photo setup appears below. The back edge of the glass never comes into play because it is large enough that it isn't in the frame. You can just see the head of the 4th light used to illuminate the background. It's down and to the left of the tripod. Hope this helps.

Michael



Photo setup.jpg
 Description:
 Viewed:  22036 Time(s)

Photo setup.jpg


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PostPosted: Oct 13, 2013 19:49    Post subject: Re: Collection of Michael Shaw  

Dear Michael,

This picture helps a lot. This picture IS worth a thousand words. It is different from what I had imagined.

Thank you very much.

Sincerely,

Don

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PostPosted: Oct 14, 2013 09:27    Post subject: Re: Collection of Michael Shaw  

Back to more minerals from China.


1378 Arsenopyrite.jpg
 Description:
Arsenopyrite
Dachang ore field, Nandan Co., Guangxi Zhuang Prov., China
5.6 x 6.3 cm.
Silvery, metallic, wedge-shaped arsenopyrite crystals associated with flattened tan rhombs of siderite.
 Viewed:  21956 Time(s)

1378 Arsenopyrite.jpg



1036 Pyrite.jpg
 Description:
Pyrite
Wuzhou Pref., Guangxi Zhuang AR, China
4.5 x 6.5 cm.
An ovoid concretion composed of intergrown cubic pyrite crystals.
 Viewed:  21932 Time(s)

1036  Pyrite.jpg



2142 Calcite.jpg
 Description:
Calcite
Fozichong Mine, Cenxi Co., Wuzhou Pref., Guangxi Zhuang AR, China
4.2 x 6.7 cm.
Colorless prismatic calcite crystals with opaque white zones at the terminal ends on a matrix of smaller calcite crystals.
 Viewed:  21947 Time(s)

2142 Calcite.jpg


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PostPosted: Oct 14, 2013 10:34    Post subject: Re: Collection of Michael Shaw  

Simple and efficient, thank you. But it also implies the art of Master.
Roger.
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PostPosted: Oct 16, 2013 08:49    Post subject: Re: Collection of Michael Shaw  

Thanks Roger. You are too kind - I still consider myself a student.

Today, a couple from Guizhou Province, and one from an obscure location that I can't find much information for.



0908 Cinnabar.jpg
 Description:
Cinnabar
Tongren Mine, Wanshan Dist.Tongren Pref., Guizhou Prov., China
3.5 x 4.5 cm
Sharp, cherry-red, twinned cinnabar crystal on rhombic white dolomite crystals.
 Viewed:  21739 Time(s)

0908 Cinnabar.jpg



1885 Siderite chalcopyrite.jpg
 Description:
Siderite and chalcopyrite
Kaiwu Mine, Hezhang Co., Bijie Pref., Guizhou Prov., China
4.6 x 7.2 cm.
Semi-transluscent brown siderite rhombs to 2 cm interspersed among brassy chalcopyrite crystals. Thanks to Berthold Ottens and Jordi for making the true location of these specimens known.
 Viewed:  21777 Time(s)

1885 Siderite chalcopyrite.jpg



1908 Quartz.jpg
 Description:
Quartz
Zhengzhou Prefecture, Henan Prov., China
6.5 x 7.4 cm.
Three intergrown quartz crystals colored green presumably by fibrous actinolite or byssolite inclusions. In spite of doing quite a bit of research on a more definitive location, I have been unable to find out much more about exactly where this is from.
 Viewed:  21732 Time(s)

1908 Quartz.jpg


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PostPosted: Oct 17, 2013 01:09    Post subject: Re: Collection of Michael Shaw  

Hi Michael,
Wow. I especially appreciate this twin of cinnabar so wisely sitting on a mineral cushion.
Roger.
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PostPosted: Oct 19, 2013 20:07    Post subject: Re: Collection of Michael Shaw  

Hello Michael!
Excellent specimens and photographs - I enjoy it every time! One question about your setup: do you use a diffusor for the lamps?

Martin

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PostPosted: Oct 21, 2013 08:52    Post subject: Re: Collection of Michael Shaw  

Martin Rich wrote:
Hello Michael!
Excellent specimens and photographs - I enjoy it every time! One question about your setup: do you use a diffusor for the lamps?

Martin


Hello Martin,
Thanks for your comment. Yes, I sometimes use a diffuser, especially when photographing white minerals. The diffuser I use is made from a sheet of vellum. This seems to work the best for me.
Michael
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PostPosted: Oct 25, 2013 09:48    Post subject: Re: Collection of Michael Shaw  

Each of the minerals I have chosen today are from Hubei Province. This province is located in the east central part of China and is sometimes known as the "Province of Lakes" for the thousands of lakes that occupy the central plain. Hubei Province has significant ore reserves, and copper mining and smelting can be traced back to the 6th Century B.C. in the Daye area.


1695 Calcite.jpg
 Description:
Calcite
Daye Iron Mine, Huangshi Pref., Hubei Province, China
6.1 x 8.7 cm.
Dark amber-colored crystals on a thin plate of black hematitic matrix.
 Viewed:  21158 Time(s)

1695 Calcite.jpg



1757 Quartz.jpg
 Description:
Quartz
Fengjiashan Mine, Daye Co., Huangshi Pref., Hubei Prov., China
8.2 x 10.4 cm
Opaque white quartz crystals included with reddish brown iron oxides, preferentially coated with white dolomite and associated with chalcopyrite crystals.
 Viewed:  21144 Time(s)

1757 Quartz.jpg



2140 Amethyst.jpg
 Description:
Quartz var. amethyst
Tonglushan Mine, Daye Co., Huangshi Pref., Hubei Prov., China
3.3 x 4.8 cm
A single amethyst crystal with a partial jacket of small scalenohedral calcite crystals with reddish-brown tinged terminations.
 Viewed:  21189 Time(s)

2140 Amethyst.jpg



TN162 Inesite.jpg
 Description:
Inesite
Fengjiashan Mine, Daye Co., Huanshi Pref., Hubei Prov., China
1.7 x 2.3 cm.
Acicular pink inesite crystals with scattered brown hubeite.
 Viewed:  21181 Time(s)

TN162 Inesite.jpg


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