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michael shaw
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Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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 Posted: Mar 27, 2019 16:28 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite and Celestine |
| Locality: | | Chittenango Falls, Fenner, Madison County, New York, USA |  |
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| Dimensions: | 4.5 x 5.2 cm |
| Description: |
| Colorless scalenohedral crystals to 1.5 cm on limestone matrix with pale blue celestite. This is one of the earliest specimens in my collection. |
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2178 Time(s) |
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Mar 29, 2019 14:20 Post subject: Re: Collection of Michael Shaw |
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| Locality: | | United Verde Mine, Jerome, Verde District, Black Hills, Yavapai County, Arizona, USA | |
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| Dimensions: | 9.1 x 12.0 cm |
| Description: |
| Dark blue botryoidal azurite with minor malachite. Another very early piece in the collection, dating to 1961. |
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2104 Time(s) |
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Mar 31, 2019 14:13 Post subject: Re: Collection of Michael Shaw |
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The last couple of days I spent some time reviewing photos of the earliest specimens in my collection. Most were photographed about15 years ago, and many do not measure up to today's standards, so I am gradually replacing them with better images. Photos of the last two specimens are the results of this effort as will be the following few.
| Mineral: | Fluorite |
| Locality: | | Xianghualing Mine, Xianghualing Sn-polymetallic ore field, Linwu, Chenzhou Prefecture, Hunan Province, China | |
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| Dimensions: | 6.6 x 7.3 cm |
| Description: |
| Two blue-gray octahedral fluorite crystals to 5.6 cm on edge with flattened rhombs of colorless calcite. The fluorite has a frosted luster resulting from tiny stepped faces and the interior contains a green core. |
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2052 Time(s) |
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Apr 01, 2019 10:47 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Sylvanite |
| Locality: | | Cripple Creek District, Teller County, Colorado, USA | |
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| Dimensions: | 3.0 x 6.0 cm |
| Description: |
| Bright, gold-colored, striated sylvanite crystals to 2 mm with druzy quartz from the Cresson Mine. |
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2000 Time(s) |
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| Mineral: | Sylvanite |
| Locality: | | Cripple Creek District, Teller County, Colorado, USA | |
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| Dimensions: | 3.0 x 6.0 cm |
| Description: |
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2001 Time(s) |
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Apr 04, 2019 15:54 Post subject: Re: Collection of Michael Shaw |
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I have been interested in minerals from Romania for the past 30 years, and one of my largest sub-collections is minerals from the Maramures region in northwest Romania. In Tucson this year, I was delighted to find several Romanian specimens to add to my collection. One of the FMF members will no doubt recognize the piece shown below as it was once part of his collection. I hope he is happy it went to a good home.
| Mineral: | Calcite |
| Locality: | | Herja Mine, Chiuzbaia, Baia Sprie, Maramures, Romania | |
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| Dimensions: | 5.3 x 9.0 x 11.2 cm |
| Description: |
| Creamy white to pale tan elongated calcite crystals. The bottom of the specimen consists of black sphalerite and brassy pyrite. |
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1900 Time(s) |
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Apr 07, 2019 14:05 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite |
| Locality: | | Boldut Mine, Cavnic mining area, Cavnic, Maramures, Romania | |
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| Dimensions: | 7.6 x 12.8 cm |
| Description: |
| An intergrown group of pale pink scalenohedral calcite crystals with a secondary overgrowth of tiny colorless scalenohedral calcites giving the specimen a frosted appearance. |
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1786 Time(s) |
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Apr 09, 2019 13:58 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Andradite and Calcite |
| Locality: | | Ocna de Fier, Banat Mountains, Ocna de Fier-Dognecea District, Caras-Severin, Romania | |
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| Dimensions: | 4.2 x 6.5 cm |
| Description: |
| Sharp reddish brown andradite crystals to 0.7 cm with rhombic white calcite crystals on a matrix of hematite/magnetite. |
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| Viewed: |
1728 Time(s) |
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Apr 11, 2019 07:58 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Gypsum |
| Locality: | | Mumbai (Bombay) District, Maharashtra, India | |
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| Dimensions: | 4.5 x 6.1 cm |
| Description: |
| Colorless transparent gypsum crystals to 4.5 cm on a creamy white/pink matrix of prehnite and gyrolite. There are also small acicular crystals present, perhaps mesolite or scolecite. |
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1641 Time(s) |
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Enrique Llorens
Joined: 02 Jun 2011
Posts: 251
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| Posted: Apr 13, 2019 02:31 Post subject: Re: Collection of Michael Shaw |
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| crosstimber wrote: | | I have been interested in minerals from Romania for the past 30 years, and one of my largest sub-collections is minerals from the Maramures region in northwest Romania. In Tucson this year, I was delighted to find several Romanian specimens to add to my collection. One of the FMF members will no doubt recognize the piece shown below as it was once part of his collection. I hope he is happy it went to a good home. |
It is an honor that you can enjoy this piece of Romania, as I have enjoyed it, in the last 18 years.
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Apr 13, 2019 11:49 Post subject: Re: Collection of Michael Shaw |
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Thank you Enrique. I am also enjoying this specimen which you will recognize.
| Mineral: | Quartz |
| Locality: | | Boldut Mine, Cavnic mining area, Cavnic, Maramures, Romania | |
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| Dimensions: | 5.4 x 7.9 cm |
| Description: |
| A divergent group of milky white quartz crystals with transparent reverse-sceptered terminations. |
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| Viewed: |
1538 Time(s) |
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Enrique Llorens
Joined: 02 Jun 2011
Posts: 251
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| Posted: Apr 13, 2019 13:20 Post subject: Re: Collection of Michael Shaw |
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| crosstimber wrote: | | Thank you Enrique. I am also enjoying this specimen which you will recognize. |
Yes, I also recognize it, you already have the couple
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Enrique Llorens
Joined: 02 Jun 2011
Posts: 251
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| Posted: Apr 14, 2019 07:18 Post subject: Re: Collection of Michael Shaw |
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I also wanted to mention the high quality of the photos, as usual.
Regards Michael.
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Tobi
Joined: 07 Apr 2009
Posts: 3015
Location: Good Old Germany
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| Posted: Apr 15, 2019 01:14 Post subject: Re: Collection of Michael Shaw |
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| crosstimber wrote: | Andradite and Calcite
Ocna de Fier, Banat Mountains, Ocna de Fier-Dognecea District, Caras-Severin, Romania
Sharp reddish brown andradite crystals to 0.7 cm with rhombic white calcite crystals on a matrix of hematite/magnetite. |
This is such a beautiful specimen, Michael, my favourite among your recent posts. Simply perfect!
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Apr 15, 2019 15:43 Post subject: Re: Collection of Michael Shaw |
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| Tobi wrote: | | crosstimber wrote: | Andradite and Calcite
Ocna de Fier, Banat Mountains, Ocna de Fier-Dognecea District, Caras-Severin, Romania
Sharp reddish brown andradite crystals to 0.7 cm with rhombic white calcite crystals on a matrix of hematite/magnetite. |
This is such a beautiful specimen, Michael, my favourite among your recent posts. Simply perfect! |
Thanks Tobi. The mines in this district exploit skarn type deposits and minerals from the Ocna de Fier area are much less common that those from Maramures. The specimen is from a European collection and I was delighted to find it this year in Tucson.
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Apr 20, 2019 08:45 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Aragonite |
| Locality: | | Neuhoffnung Mine (Neue Hoffnung), Mercur Mine Group (Mercur Mine), Bad Ems, Bad Ems District, Lahn Valley, Rhineland-Palatinate/Rheinland-Pfalz, Germany | |
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| Dimensions: | 4.5 x 5.3 cm |
| Description: |
| An aragonite that resembles a sea anemone. |
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| Viewed: |
1266 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3015
Location: Good Old Germany
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| Posted: Apr 20, 2019 10:38 Post subject: Re: Collection of Michael Shaw |
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| Interesting sample of "flos ferri" aragonite from a classic locality: The Neuhoffnung (or: Neue Hoffnung) Mine belongs to the famous Mercur Mine - one of the main sources of the famous "barrel shape" Bad Ems pyromorphite classics :-)
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: Apr 24, 2019 12:34 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Dyscrasite |
| Locality: | | Uranium Mine number 21 (shaft number 21), Háje, Příbram, Central Bohemia Region, Bohemia, Czech Republic | |
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| Dimensions: | 2.6 x 2.9 cm |
| Description: |
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| Viewed: |
1175 Time(s) |
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: May 01, 2019 08:58 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Quartz (variety Amethyst) |
| Locality: | | Reel Mine, Iron Station, Lincoln County, North Carolina, USA | |
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| Dimensions: | 4.6 x 4.7 cm. |
| Description: |
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| Viewed: |
1043 Time(s) |
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| Mineral: | Quartz (variety Amethyst) |
| Locality: | | Reel Mine, Iron Station, Lincoln County, North Carolina, USA | |
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| Dimensions: | 4.6 x 4.7 cm. |
| Description: |
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| Viewed: |
1014 Time(s) |
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: May 03, 2019 12:26 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite |
| Locality: | | Leiping Mine, Leiping, Guiyang, Chenzhou Prefecture, Hunan Province, China | |
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| Dimensions: | 3.9 x 4.7 cm |
| Description: |
| Scalenohedral calcite with colorless transparent terminations and reddish brown phantoms due to iron inclusions. |
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| Viewed: |
950 Time(s) |
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michael shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1405
Location: Oklahoma
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| Posted: May 09, 2019 10:16 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Lepidolite on Quartz |
| Locality: | | Barra de Salinas, Coronel Murta, Jequitinhonha, Minas Gerais, Brazil | |
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| Dimensions: | 6.8 x 9.2 cm |
| Description: |
| Sparkly lavender-colored lepidolite crystals to 4.5 cm attached to a matrix of pale smoky quartz |
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| Viewed: |
823 Time(s) |
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