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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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 Posted: Dec 14, 2019 10:32 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Dolomite after Calcite |
| Locality: | | Boldut Mine, Cavnic mining area, Cavnic, Maramures, Romania |  |
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| Dimensions: | 4.0 cm x 7.0 cm |
| Description: |
| Crystallized brown dolomite replacing a scalenohedral calcite crystal forming a hollow cast with a second generation of translucent colorless scalenohedral calcite crystals. |
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| Viewed: |
1936 Time(s) |
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| Mineral: | Dolomite after Calcite |
| Locality: | | Boldut Mine, Cavnic mining area, Cavnic, Maramures, Romania | |
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| Dimensions: | 4.0 cm x 7.0 cm |
| Description: |
| Bottom view showing the open cast. |
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| Viewed: |
1937 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Dec 18, 2019 15:04 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Realgar |
| Locality: | | Baia Sprie Mine, Baia Sprie, Maramures, Romania | |
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| Dimensions: | 6.5 x 11.0 cm |
| Description: |
| Lustrous red prismatic realgar crystals to 0.6 cm scattered liberally across the top surface of a gray arsenic-rich matrix. |
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| Viewed: |
1869 Time(s) |
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| Mineral: | Realgar |
| Locality: | | Baia Sprie Mine, Baia Sprie, Maramures, Romania | |
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| Dimensions: | 6.5 x 11.0 cm |
| Description: |
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| Viewed: |
1864 Time(s) |
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Philippe Durand
Joined: 10 May 2016
Posts: 434
Location: Sainte Adresse
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jose luis jara jara
Joined: 18 Apr 2019
Posts: 72
Location: Fuenlabrada
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| Posted: Dec 19, 2019 16:26 Post subject: Re: Collection of Michael Shaw |
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| The truth is that it is a very good piece, it has a very beautiful color
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Dec 19, 2019 16:32 Post subject: Re: Collection of Michael Shaw |
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| Thank you both for your comments Jose and Philippe.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Dec 23, 2019 11:13 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Fluorite |
| Locality: | | Qinglong Mine, Dachang, Qinglong, Qianxi'nan Autonomous Prefecture, Guizhou Province, China | |
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| Dimensions: | 7.5 cm x 9.5 cm |
| Description: |
| Pale bluish-green cubic fluorite crystals on a crystallized calcite matrix. The edges are a much darker purple color and help to accentuate the hexoctahedral corner modifications. |
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| Viewed: |
1674 Time(s) |
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| Mineral: | Fluorite |
| Locality: | | Qinglong Mine, Dachang, Qinglong, Qianxi'nan Autonomous Prefecture, Guizhou Province, China | |
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| Dimensions: | 7.5 cm x 9.5 cm |
| Description: |
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| Viewed: |
1666 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Dec 29, 2019 11:55 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Smithsonite |
| Locality: | | Mapimí, Municipio Mapimí, Durango, Mexico | |
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| Dimensions: | FOV ~ 4.0 cm |
| Description: |
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| Viewed: |
1576 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Jan 04, 2020 09:52 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite |
| Locality: | | Berry Materials Corp. Quarry, North Vernon, Jennings County, Indiana, USA | |
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| Dimensions: | 4.4 cm x 5.5 cm x 7.0 cm |
| Description: |
| Semi-lustrous honey-colored calcite crystals on light brown dolostone. The main crystal has a transluscent exterior through which a light-colored scalenohedral phantom is visible. |
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| Viewed: |
1447 Time(s) |
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jose luis jara jara
Joined: 18 Apr 2019
Posts: 72
Location: Fuenlabrada
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| Posted: Jan 04, 2020 14:19 Post subject: Re: Collection of Michael Shaw |
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| I really like the piece of Calcite
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Jan 04, 2020 19:43 Post subject: Re: Collection of Michael Shaw |
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| Thanks for your comment Jose.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Jan 11, 2020 10:33 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite |
| Locality: | | Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia | |
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| Dimensions: | 6.4 cm x 7.5 cm x 11.2 cm |
| Description: |
| An intergrown group of honey-colored calcite crystals with nailhead terminations. |
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| Viewed: |
1199 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Jan 17, 2020 09:51 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite and Quartz |
| Locality: | | Herja Mine, Chiuzbaia, Baia Sprie, Maramures, Romania | |
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| Dimensions: | 2.5 cm x 2.9 cm |
| Description: |
| Dark gray calcite rhombs due to inclusions of jamesonite associated with several upright quartz crystals. |
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| Viewed: |
1073 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3186
Location: Good Old Germany
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| Posted: Jan 19, 2020 03:45 Post subject: Re: Collection of Michael Shaw |
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| Wonderful - all of them! :-)
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Jan 19, 2020 10:20 Post subject: Re: Collection of Michael Shaw |
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| Tobi wrote: | | Wonderful - all of them! :-) |
Thanks Tobi. In a few weeks we head out to Tucson in hopes of finding a few more treasures to add to our collections.
Regards,
Michael
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Jan 24, 2020 09:16 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Pyromorphite |
| Locality: | | Hardshell Mine, Hardshell Gulch, Patagonia Mountains, Harshaw, Santa Cruz County, Arizona, USA | |
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| Dimensions: | 1.1 cm x 2.1 cm |
| Description: |
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| Viewed: |
843 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3186
Location: Good Old Germany
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| Posted: Jan 27, 2020 03:48 Post subject: Re: Collection of Michael Shaw |
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| Michael Shaw wrote: | | Tobi wrote: | | Wonderful - all of them! :-) |
Thanks Tobi. In a few weeks we head out to Tucson in hopes of finding a few more treasures to add to our collections. |
Can't wait to see them - good luck in Tucson!
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Jan 27, 2020 09:20 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: | 5.1 cm x 8.5 cm |
| Description: |
| Colorless curved calcite rhombs forming a spherical shaped group 4.8 cm across with crystals of light brown siderite. |
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| Viewed: |
683 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Jan 28, 2020 16:51 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Quartz |
| Locality: | | Herja Mine, Chiuzbaia, Baia Sprie, Maramures, Romania | |
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| Dimensions: | 5.5 cm x 7.0 cm |
| Description: |
| A complete floater of lustrous, doubly-terminated quartz crystals to 1.2 cm covering both sides of a quartz matrix. The matrix and many of the quartz crystals are included with jamesonite giving them a grey color. |
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| Viewed: |
547 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1484
Location: Oklahoma
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| Posted: Feb 03, 2020 18:32 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Fluorite |
| Locality: | | 4.3 cm x 6.9 cm |  |
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| Dimensions: | Diana Maria Mine (Sutcliffe Vein), Rogerley Quarry, Frosterley, Weardale, County Durham, England |
| Description: |
| Gemmy emerald green fluorite crystals to 1.0 cm several of which are penetration twinned and display tetrahexahedral faces. |
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| Viewed: |
362 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3186
Location: Good Old Germany
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| Posted: Feb 04, 2020 07:31 Post subject: Re: Collection of Michael Shaw |
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| Really wonderful Rogerley fluorite, Michael!
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