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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2067
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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14669 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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14654 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2067
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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14600 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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14583 Time(s) |
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Philippe Durand
Joined: 10 May 2016
Posts: 628
Location: Normandie
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jose luis jara jara
Joined: 18 Apr 2019
Posts: 114
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: 2067
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: 2067
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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14584 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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14406 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2067
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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14321 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2067
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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14212 Time(s) |
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jose luis jara jara
Joined: 18 Apr 2019
Posts: 114
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: 2067
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: 2067
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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13926 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2067
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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13816 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4102
Location: 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: 2067
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: 2067
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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13589 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4102
Location: 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: 2067
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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13465 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2067
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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13254 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2067
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: | Rogerley Mine, Diana Maria Mine (Sutcliffe Vein) , Frosterley, Weardale, North Pennines Orefield, County Durham, England / United Kingdom | |
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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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13080 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4102
Location: 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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