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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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 Posted: Sep 30, 2015 08:43 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Quartz (variety chalcedony) with Mordenite |
| Locality: | | Nashik District (Nasik), Maharashtra, India |  |
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| Dimensions: | 7.7 x 11.6 cm |
| Description: |
| Thread-like stringers of snow white chalcedony with a few small tufts of white mordenite. Collected in August 2015. |
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30160 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 02, 2015 17:20 Post subject: Re: Collection of Michael Shaw |
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Amid the myriad of wholesale minerals and jewelry in Rock Currier's tent a couple of weeks ago, I found the following two specimens. Both were collected by his good friend Bob Bartsch. The pyromorphite was accompanied by Bob's label that indicated it was collected on August 27, 1969. These are the gems that could often be gleaned by looking carefully through Rock's stock. I sure will miss him.
| Mineral: | Pyromorphite |
| Locality: | | Sherman Mine, Burke, Coeur d'Alene District, Shoshone County, Idaho, USA | |
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| Dimensions: | 1.5 x 2.7 cm |
| Description: |
| Small olive green hexagonal prisms with hoppered terminations. The Sherman mine is in the same district as the more famous Bunker Hill mine, but specimens from the Sherman Mine are not nearly as common. |
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30079 Time(s) |
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| Mineral: | Vanadinite |
| Locality: | | J.C. Holmes Mine, Temporal Gulch area, Patagonia, Wrightson District, Santa Rita Mountains, Santa Cruz County, Arizona, USA | |
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| Dimensions: | 3.7 x 5.7 cm |
| Description: |
| Brownish-orange hexagonal crystals to 0.7 cm with pyramidal terminations covering the top of a breccia matrix. |
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| Viewed: |
30050 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 04, 2015 10:41 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Rhodochrosite |
| Locality: | | Potosí Mine, Santo Domingo (Francisco Portillo), Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua, Mexico | |
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| Dimensions: | 2.3 x 3.0 cm |
| Description: |
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| Viewed: |
29990 Time(s) |
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Fiebre Verde
Joined: 11 Sep 2013
Posts: 943
Location: Paris Area
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| Posted: Oct 04, 2015 12:35 Post subject: Re: Collection of Michael Shaw |
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A very aesthetic Santa Eulalia specimen Michael!
Gérard
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 04, 2015 13:18 Post subject: Re: Collection of Michael Shaw |
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| Fiebre Verde wrote: | A very aesthetic Santa Eulalia specimen Michael!
Gérard |
Thank you Gérard.
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4181
Location: Germany
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| Posted: Oct 04, 2015 14:19 Post subject: Re: Collection of Michael Shaw |
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Wow, what a cool pyromorphite from Sherman Mine! The hollow structue reminds me of some Chinese ones, but this beauty is much rarer. To be honest, I never heard of the Sherman Mine before ... what a fine pyro!
Tobi
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Don Lum
Joined: 03 Sep 2012
Posts: 2897
Location: Arkansas
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| Posted: Oct 04, 2015 19:36 Post subject: Re: Collection of Michael Shaw |
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Michael,
The Pyromorphite, Vanadinite and Rhodochrosite are all killer specimens and great photography.
_________________
hogwild |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 05, 2015 10:44 Post subject: Re: Collection of Michael Shaw |
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Thank you Tobi and Don. Tobi, how fortunate you are to live in a town that has a mineral museum. My boyhood hometown also had a museum and that is how my fascination with minerals began.
| Mineral: | Fluorite |
| Locality: | | Naica Mine, Naica, Municipio Saucillo, Chihuahua, Mexico | |
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| Dimensions: | 2.0 x 2.4 cm |
| Description: |
| An intergrown group of gemmy blue fluorite cube-octahedra associated with quartz, calcite, and pyrite. |
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| Viewed: |
30064 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4181
Location: Germany
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| Posted: Oct 05, 2015 11:59 Post subject: Re: Collection of Michael Shaw |
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| crosstimber wrote: | | Tobi, how fortunate you are to live in a town that has a mineral museum. My boyhood hometown also had a museum and that is how my fascination with minerals began. |
Believe me, I AM very fortunate to have this museum here!!! And it was the same in my childhood, my passion for minerals began with the first visit there as a primary-school pupil ...
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 09, 2015 10:29 Post subject: Re: Collection of Michael Shaw |
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Illinois-Kentucky Fluorspar District.
| Mineral: | Fluorite |
| Locality: | | Henson Mine, Illinois-Kentucky Fluorspar Mining District, Pope County, Illinois, USA | |
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| Dimensions: | 6.0 x 7.5 cm |
| Description: |
| Pale lilac-fluorite crystals with tiny colorless calcite crystals. The Henson Mine was a vein-type deposit with few cavities, thus specimens from there are uncommon. |
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| Viewed: |
29540 Time(s) |
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| Mineral: | Witherite |
| Locality: | | Minerva I Mine, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois, USA | |
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| Dimensions: | 2.0 x 2.4 cm |
| Description: |
| A divergent group of colorless to white pseudohexagonal witherite crystals with pyramidal terminations. |
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| Viewed: |
29575 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 11, 2015 08:40 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Mesolite |
| Locality: | | Kannad, Aurangabad District, Maharashtra, India | |
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| Dimensions: | 11.4 cm |
| Description: |
| Acicular crystals of brown mesolite emanating from hemisperes of brown thompsonite set on a matrix of pinkish heulandite and stilbite crystals. |
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| Viewed: |
29573 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 13, 2015 16:03 Post subject: Re: Collection of Michael Shaw |
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I have been experimenting with a various setups for taking photos of thumbnail-sized specimens. The following two images were made with a bellows attachment. While this setup yielded somewhat acceptable results, I decided it was very cumbersome to deal with and didn't give the flexibility of a good macro lens, which I am now looking for.
| Mineral: | Hematite |
| Locality: | | Ouro Preto, Minas Gerais, Brazil | |
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| Dimensions: | 1.2 cm |
| Description: |
| An 'iron rose" from the Coluna Mine. |
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| Viewed: |
29357 Time(s) |
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| Mineral: | Stilbite (Series) with Chabazite (Series) |
| Locality: | | Wasson Bluff, Bay of Fundy, Parrsboro, Cumberland County, Nova Scotia, Canada | |
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| Dimensions: | Stilbite = 1.6 cm long |
| Description: |
| A salmon-colored chabazite crystal approximately 0.7 cm across attached to a straw-colored stilbite. |
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| Viewed: |
29597 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 14, 2015 10:19 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Azurite |
| Locality: | | Nchanga Mine, Chingola, Chingola District, Copperbelt Province, Zambia | |
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| Dimensions: | 2.6 cm |
| Description: |
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| Viewed: |
29494 Time(s) |
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| Mineral: | Anatase |
| Locality: | | Anatase-Rutile occurrence, Cuiabá District, Gouveia, Minas Gerais, Brazil | |
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| Dimensions: | 1.6 cm |
| Description: |
| This little piece comes from the anatase-rutile occurence in the Cuiaba District. I believe the golden color is a fine coating of rutile on the anatase, but it may be, in fact, a complete replacement of rutile pseudomorphing the anatase. |
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29739 Time(s) |
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Jamison Brizendine
Joined: 27 Feb 2014
Posts: 128
Location: Northeast Ohio
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| Posted: Oct 15, 2015 10:04 Post subject: Re: Collection of Michael Shaw |
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| I'm enjoying the new Illinois-Kentucky Fluorspar District specimens you are posting Mike. I am not familiar with the Henson Mine (2231 Fluorite - Henson Mine.jpg), the recent wulfenite pictures you took are very beautiful as well. The Kentucky fluorite from East Faircloth (2235 Fluorite.jpg) is wonderful too, the only Kentucky fluorites I typically see are the Danville ones.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 15, 2015 16:13 Post subject: Re: Collection of Michael Shaw |
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| Jamison Brizendine wrote: | | I'm enjoying the new Illinois-Kentucky Fluorspar District specimens you are posting Mike. I am not familiar with the Henson Mine (2231 Fluorite - Henson Mine.jpg), the recent wulfenite pictures you took are very beautiful as well. The Kentucky fluorite from East Faircloth (2235 Fluorite.jpg) is wonderful too, the only Kentucky fluorites I typically see are the Danville ones. |
Thanks for your comments Jamison. The Henson Mine is in Pope County about 8 miles NW of Rosiclare. Because it is a vein deposit, there were very few cavities and not many mineral specimens were collected. Fluorites from the Kentucky side of the district are not commonly seen at shows, in spite of there being more mines on the Kentucky side. I think this is partly due to the fact that the Denton, Annabel Lee, and Minerva mines produced such an abundance of specimens in comparison to all of the other mines.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 17, 2015 10:05 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Benstonite |
| Locality: | | Minerva I Mine, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois, USA | |
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| Dimensions: | 6.3 x 9.5 cm |
| Description: |
| Scalenohedral calcite crystals covered with an epitaxial overgrowth of benstonite crystals subsequently coated with a thin film of white Baryte. Collected circa 1960. |
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| Viewed: |
29069 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 19, 2015 11:41 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Barite |
| Locality: | | Cartersville, Cartersville District, Bartow County, Georgia, USA | |
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| Dimensions: | 7.7 x 8.0 cm |
| Description: |
| A divergent group of thick blue-gray Baryte crystals to 5.5 cm. in length with chisel-shaped terminations. |
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| Viewed: |
28924 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 22, 2015 08:52 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Sphalerite |
| Locality: | | Eagle Picher Mine, Picher Field, Cardin, Tri-State District, Ottawa County, Oklahoma, USA | |
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| Dimensions: | 5.0 x 9.2 cm |
| Description: |
| A group of lustrous dark brown sphalerite crystals to 3.0 cm with a doubly-terminated honey-colored calcite crystal. |
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| Viewed: |
28643 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 24, 2015 08:11 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Topaz |
| Locality: | | Groot Spitzkopje, Spitzkopje area, Karibib District, Erongo Region, Namibia | |
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| Dimensions: | 1.2 x 1.4 cm |
| Description: |
| A gemmy colorless topaz crystal from the granite massif known as the "Matterhorn of Africa" |
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| Viewed: |
28575 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2147
Location: Oklahoma
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| Posted: Oct 27, 2015 14:24 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Fluorapophyllite-(K) |
| Locality: | | Nashik District (Nasik), Maharashtra, India | |
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| Dimensions: | 3.3 x 5.0 cm |
| Description: |
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| Viewed: |
28433 Time(s) |
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