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Michael Shaw
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Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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 Posted: Oct 03, 2019 11:36 Post subject: Re: Collection of Michael Shaw |
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Another of the new wulfenites from La Morita Mine. I think the color zoning of the crystals is interesting.
| Mineral: | Wulfenite |
| Locality: | | La Morita Mine, Municipio Ascención, Chihuahua, Mexico |  |
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| Dimensions: | 3.3 cm x 4.5 cm |
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16472 Time(s) |
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Michael Shaw
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Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Oct 09, 2019 14:06 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Quartz pseudomorph after Calcite |
| Locality: | | Boldut Mine, Cavnic mining area, Cavnic, Maramures, Romania | |
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| Dimensions: | 7.5 cm x 9.0 cm |
| Description: |
| Classic hollow casts of quartz that has replaced scalenohedral calcite crystals. The surface of the quartz has a sugary texture and there are small pyrite and bournonite crystals scattered about. |
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16321 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Oct 12, 2019 10:28 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Vanadinite |
| Locality: | | San Carlos Mine (Apex Mine), San Carlos, Municipio Manuel Benavides, Chihuahua, Mexico | |
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| Dimensions: | 2.7 cm x 2.9 cm |
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16193 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Oct 13, 2019 09:42 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Aragonite |
| Locality: | | San Giovanni Mine, Punta della Torre, Iglesias, Sud Sardegna Province, Sardinia/Sardegna, Italy | |
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| Dimensions: | 4.7 cm x 6.2 cm |
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16142 Time(s) |
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Sante Celiberti
Joined: 04 Oct 2019
Posts: 699
Location: Tuscany
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| Posted: Oct 13, 2019 13:26 Post subject: Re: Collection of Michael Shaw |
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Oh no, Michael.
This is a low blow.
Very nice Sardinian specimen.
Best regards.
Sante
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Michael Shaw
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Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Oct 14, 2019 08:22 Post subject: Re: Collection of Michael Shaw |
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| Thank you Sante. I was fortunate to be able to acquire this piece recently from an older collection.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Oct 23, 2019 11:28 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Pectolite |
| Locality: | | Upper New Street Quarry, Paterson, Passaic County, New Jersey, USA | |
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| Dimensions: | 4.2 cm x 9.0 cm |
| Description: |
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15677 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Oct 24, 2019 13:24 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: | 8.5 cm x 11.0 cm x 15.0 cm |
| Description: |
| Two generations of calcite on a matrix of quartz and minor pyrite. The first generation consists of sparkly cream-colored spherical calcite and the second is small scalenohedral crystals. |
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15540 Time(s) |
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| Mineral: | Calcite |
| Locality: | | Boldut Mine, Cavnic mining area, Cavnic, Maramures, Romania | |
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| Dimensions: | 8.5 cm x 11.0 cm x 15.0 cm |
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| Viewed: |
15519 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Oct 28, 2019 14:54 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Galena |
| Locality: | | Fletcher Mine, West Fork, Viburnum Trend District, Reynolds County, Missouri, USA | |
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| Dimensions: | 0.5 cm x 0.6 cm x 5.3 cm |
| Description: |
| These unusual galena specimens were collected in summer 2019. This doubly-terminated crystal is greatly elongated, slightly twisted, and perhaps twinned. |
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15367 Time(s) |
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1537
Location: Catalonia
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| Posted: Oct 28, 2019 15:01 Post subject: Re: Collection of Michael Shaw |
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| Indeed very unusual, Michael. I wonder what the chemical and physical conditions would be for such a curious habit to grow.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Nov 01, 2019 14:27 Post subject: Re: Collection of Michael Shaw |
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According to the Mineralogical Record article on this locality Vol. 35(5), these fan-shaped epidote aggregates were a unique find collected from the lower workings in summer 2003.
| Mineral: | Epidote |
| Locality: | | Green Monster Mountain, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska, USA | |
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| Dimensions: | 3.0 cm x 5.0 cm x 6.0 cm |
| Description: |
| Lustrous deep green prismatic epidote crystals with lighter green terminations arranged in a fan-shaped aggregate. |
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17668 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Nov 02, 2019 03:07 Post subject: Re: Collection of Michael Shaw |
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Very nice, Michael - and I am NOT an epidote fan ;-)
And a truly superb photo, incredible quality, it would deserve a place in a book or magazine!!!
Please more, it's always a pleasure to watch your collection :-)
Regards
Tobi
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Nov 02, 2019 10:48 Post subject: Re: Collection of Michael Shaw |
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| Tobi wrote: | Very nice, Michael - and I am NOT an epidote fan ;-)
And a truly superb photo, incredible quality, it would deserve a place in a book or magazine!!!
Please more, it's always a pleasure to watch your collection :-)
Regards
Tobi |
Thank you for those very kind words Tobi. You would laugh if I told you how many pictures I took of that specimen before I finally captured one that I was happy with. All I can say is, it is a good thing that I wasn't shooting on film.
Michael
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Nov 04, 2019 06:19 Post subject: Re: Collection of Michael Shaw |
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| Michael Shaw wrote: | | Tobi wrote: | Very nice, Michael - and I am NOT an epidote fan ;-)
And a truly superb photo, incredible quality, it would deserve a place in a book or magazine!!!
Please more, it's always a pleasure to watch your collection :-)
Regards
Tobi |
Thank you for those very kind words Tobi. You would laugh if I told you how many pictures I took of that specimen before I finally captured one that I was happy with. All I can say is, it is a good thing that I wasn't shooting on film.
Michael |
I know that struggle, Michael. But with a photo like this, it was worth it!
:-)
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Nov 06, 2019 11:42 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Fluorite |
| Locality: | | Xia Yang Mine, Yongchun, Quanzhou Prefecture, Fujian Province, China | |
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| Dimensions: | 4.0 cm x 5.1 cm |
| Description: |
| Cube-octahedral dark purple fluorite crystals to 3.0 cm on a thin shard of siliceous gray matrix |
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17447 Time(s) |
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