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Collection of Michael Shaw
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Michael Shaw
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PostPosted: Nov 17, 2022 12:55    Post subject: Re: Collection of Michael Shaw  




1896 Calcite - Conco Mine, North Aurora, Kane Co., Illinois.jpg
 Mineral: Calcite
 Locality:
Conco Mine, North Aurora, Kane County, Illinois, USA
 Dimensions: 8.0 x 7.8 x 4.0 cm
 Description:
Grayish scalenohedral calcite crystals included with tiny marcasite crystals. Most of the crystal have sharp phantoms.
 Viewed:  3310 Time(s)

1896 Calcite - Conco Mine, North Aurora, Kane Co., Illinois.jpg



1896 Calcite - Conco Mine, Illinois.jpg
 Mineral: Calcite
 Locality:
Conco Mine, North Aurora, Kane County, Illinois, USA
 Dimensions: 8.0 x 7.8 x 4.0 cm
 Description:
 Viewed:  3308 Time(s)

1896 Calcite - Conco Mine, Illinois.jpg


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Michael Shaw
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PostPosted: Nov 18, 2022 08:19    Post subject: Re: Collection of Michael Shaw  




2875 Barite - Magma Mine, Superior, Pinal County, Arizona.jpg
 Mineral: Baryte
 Locality:
Magma Mine, Superior, Pioneer District, Pinal Mountains, Pinal County, Arizona, USA
 Dimensions: 3.5 x 2.8 x 1.8 cm
 Description:
Transparent to translucent, yellow barite crystals in an intergrown group of blocky crystals to 1.0 cm on edge.
 Viewed:  3267 Time(s)

2875 Barite - Magma Mine, Superior, Pinal County, Arizona.jpg


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Tobi
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PostPosted: Nov 21, 2022 03:22    Post subject: Re: Collection of Michael Shaw  

An excellent baryte specimen with great aesthetics, Michael!
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Michael Shaw
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PostPosted: Nov 21, 2022 11:36    Post subject: Re: Collection of Michael Shaw  

Tobi wrote:
An excellent baryte specimen with great aesthetics, Michael!


Thank you, Tobi. It's a small specimen, but as I understand it, the larger crystals tended to be included with a variety of oxides and sulfides causing them to be various shades of brown to black.
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PostPosted: Nov 21, 2022 11:49    Post subject: Re: Collection of Michael Shaw  




TN834 Andradite - Stanley Butte, Graham Co. Arizona.jpg
 Mineral: Andradite
 Locality:
Stanley Butte area, Stanley Butte, Stanley District, San Carlos Indian Reservation, Graham County, Arizona, USA
 Dimensions: 2.4 x 2.1 cm
 Description:
An intergrown group of green dodecahedral andradite crystals exhibiting slight iridescence.
 Viewed:  3140 Time(s)

TN834 Andradite - Stanley Butte, Graham Co. Arizona.jpg


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Tobi
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PostPosted: Nov 22, 2022 09:32    Post subject: Re: Collection of Michael Shaw  

Michael Shaw wrote:
Tobi wrote:
An excellent baryte specimen with great aesthetics, Michael!
Thank you, Tobi. It's a small specimen, but as I understand it, the larger crystals tended to be included with a variety of oxides and sulfides causing them to be various shades of brown to black.
Thanks for the additional information. The crystals remind me of those from Châtel-Guyon in France, I once had a specimen from there which was very similiar to your piece from Magma Mine.

Regards
Tobi
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Michael Shaw
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PostPosted: Nov 22, 2022 14:39    Post subject: Re: Collection of Michael Shaw  

Tobi,

I wasn't familiar with The French location of Chatel-Guyon, so I looked it up on Mindat and yes, the crystals are remarkably similar in color and morphology. Thanks for pointing out this new (to me) location.

Regards,
Michael
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Michael Shaw
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PostPosted: Nov 23, 2022 10:39    Post subject: Re: Collection of Michael Shaw  

...


TN825 Quartz var. Pecos Diamond - DeBaca County, New Mexico.jpg
 Mineral: Quartz
 Locality:
De Baca County, New Mexico, USA
 Dimensions: 1.9 x 1.6 cm
 Description:
An opaque light brown Cumberland habit quartz crystal known locally as "Pecos Valley Diamonds."
 Viewed:  2968 Time(s)

TN825 Quartz var. Pecos Diamond - DeBaca County, New Mexico.jpg


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James Catmur
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PostPosted: Nov 23, 2022 13:02    Post subject: Re: Collection of Michael Shaw  

There are few on FMF:

https://www.topminerals.info/index.php?searchterms=Ch%C3%A2tel&searchauthor=-&level=search

Michael Shaw wrote:
I wasn't familiar with The French location of Chatel-Guyon, so I looked it up on Mindat and yes, the crystals are remarkably similar in color and morphology. Thanks for pointing out this new (to me) location.
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Michael Shaw
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PostPosted: Nov 25, 2022 09:44    Post subject: Re: Collection of Michael Shaw  




2870 Olivenite - Majuba Hill Mine, Pershing County, Nevada.jpg
 Mineral: Olivenite
 Locality:
Majuba Hill Mine, Antelope District, Pershing County, Nevada, USA
 Dimensions: 5.5 x 3.2 x 2.0 cm
 Description:
Lustrous acicular olive-green olivenite crystals on an iron-rich matrix.
 Viewed:  2830 Time(s)

2870 Olivenite - Majuba Hill Mine, Pershing County, Nevada.jpg


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Michael Shaw
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PostPosted: Nov 27, 2022 10:00    Post subject: Re: Collection of Michael Shaw  




2872 Mercury on Cinnabar - Almaden Mine, Almaden, Ciudad Real, Castile-La Mancha, Spain.jpg
 Mineral: Cinnabar with Mercury
 Locality:
Almaden Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha, Spain
 Dimensions: 6.5 x 4.0 x 1.9 cm
 Description:
Bright red massive cinnabar with small blebs of silvery native mercury smeared over the surface.
 Viewed:  2636 Time(s)

2872 Mercury on Cinnabar - Almaden Mine, Almaden, Ciudad Real, Castile-La Mancha, Spain.jpg


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PostPosted: Nov 29, 2022 09:44    Post subject: Re: Collection of Michael Shaw  




2859 Galena - Cadjebut Mine, Fitzroy Crossing, Western Australia, Australia.jpg
 Mineral: Galena
 Locality:
Cadjebut Mine, Fitzroy Crossing, Derby-West Kimberley Shire, Western Australia, Australia
 Dimensions: 6.5 x 4.0 x 3.2 cm
 Description:
Galena crystals to 1.0 cm with cuboctahedral and stepped cubic growth covering the top of a sulfide matrix with minor colorless calcite crystals.
 Viewed:  2514 Time(s)

2859 Galena - Cadjebut Mine, Fitzroy Crossing, Western Australia, Australia.jpg


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Michael Shaw
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PostPosted: Dec 02, 2022 09:44    Post subject: Re: Collection of Michael Shaw  




2873 Chalcedony - Mopah Spring, Turtle Mountain Wilderness, San Bernadino County, California.jpg
 Mineral: Quartz (variety chalcedony)
 Locality:
Mopah Spring, Turtle Mountain Wilderness, San Bernardino County, California, USA
 Dimensions: 5.2 x 3.9 x 2.1 cm
 Description:
A pale pink chalcedony rose that displays green fluorescence under short wave UV.
 Viewed:  2352 Time(s)

2873 Chalcedony - Mopah Spring, Turtle Mountain Wilderness, San Bernadino County, California.jpg


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PostPosted: Dec 04, 2022 11:02    Post subject: Re: Collection of Michael Shaw  

I first became aware of these Newfoundland amethyst specimens at the 2020 Tucson Show. After looking through hundreds of specimens I was unable to find an undamaged piece. I'm told this was because the deposit was mined with mechanical equipment resulting in specimens with quite a lot of damage. I forgot about these until I spied a couple of flats at the 2022 Denver Show. To my surprise, most of the pieces were damage free, so I had a second chance to select a few for the collection.


2862 Quartz var. amethyst - La Manche Mine, Avalon Peninsula, Newfoundland, Canada.jpg
 Mineral: Quartz (variety amethyst)
 Locality:
La Manche, Placentia Bay, Newfoundland (Island), Newfoundland and Labrador, Canada
 Dimensions: 8.3 x 6.5 x 5.0 cm
 Description:
Tightly intergrown amethyst crystals showing mostly just the pyramidal terminations.
 Viewed:  2261 Time(s)

2862 Quartz var. amethyst - La Manche Mine, Avalon Peninsula, Newfoundland, Canada.jpg



Quartz var. amethyst - La Manche Mine, Placentia Bay, Newfoundland, Canada.jpg
 Mineral: Quartz (variety amethyst)
 Locality:
La Manche, Placentia Bay, Newfoundland (Island), Newfoundland and Labrador, Canada
 Dimensions: 6.0 x 4.5 x 4.0 cm
 Description:
 Viewed:  2257 Time(s)

Quartz var. amethyst - La Manche Mine, Placentia Bay, Newfoundland, Canada.jpg


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PostPosted: Dec 06, 2022 12:44    Post subject: Re: Collection of Michael Shaw  




2885 Gypsum - Lily Mine, Humay District, Pisco Prov., Ica Dept., Peru.jpg
 Mineral: Gypsum
 Locality:
Lily Mine, Umay District, Pisco Province, Ica Department, Peru
 Dimensions: 9.2 x 7.6 x 4.6 cm
 Description:
Sharp lustrous water-clear crystals of gypsum var. selenite to 5.1 cm across forming an intergrown group.
 Viewed:  2180 Time(s)

2885 Gypsum - Lily Mine, Humay District, Pisco Prov., Ica Dept., Peru.jpg


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PostPosted: Dec 08, 2022 12:45    Post subject: Re: Collection of Michael Shaw  




1965 Siderite, Quartz - Trepca Complex, Kosovska Mitrovica, Kosovo.jpg
 Mineral: Siderite and Quartz
 Locality:
Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District, Kosovo
 Dimensions: 4.0 x 7.0 x 7.0 cm
 Description:
A combination of prismatic white quartz, spherical brown siderite, and dark green chlorite. The terminations on some of the quartz crystals have unusual clear zones.
 Viewed:  2046 Time(s)

1965 Siderite, Quartz - Trepca Complex, Kosovska Mitrovica, Kosovo.jpg


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PostPosted: Dec 11, 2022 10:54    Post subject: Re: Collection of Michael Shaw  

...


TN844 Copper - Chino Mine, Bayard, Grant County, New Mexico.jpg
 Mineral: Copper
 Locality:
Chino Mine, Santa Rita, Santa Rita District, Grant County, New Mexico, USA
 Dimensions: 4.1 x 1.2 cm
 Description:
An elongate spinel-twinned copper crystal from the 5100 Bench, East Pit with a nice patina and darker areas of cuprite.
 Viewed:  1824 Time(s)

TN844 Copper - Chino Mine, Bayard, Grant County, New Mexico.jpg


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PostPosted: Dec 15, 2022 09:27    Post subject: Re: Collection of Michael Shaw  




2888 Gypsum - Naica Mine, Mun. de Saucillo, Chihuahua, Mexico.jpg
 Mineral: Gypsum
 Locality:
Naica Mine, Naica, Municipio Saucillo, Chihuahua, Mexico
 Dimensions: 6.8 x 5.4 x 4.4 cm
 Description:
Sharp water-clear gypsum crystals on a mound of golden scalenohedral calcite crystals.
 Viewed:  1623 Time(s)

2888 Gypsum - Naica Mine, Mun. de Saucillo, Chihuahua, Mexico.jpg


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Tobi
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PostPosted: Dec 16, 2022 03:06    Post subject: Re: Collection of Michael Shaw  

Lovely gypsum!!!
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PostPosted: Dec 16, 2022 12:44    Post subject: Re: Collection of Michael Shaw  

Tobi wrote:
Lovely gypsum!!!


Thank you, Tobi. Where we live there is not a great variety of minerals to be collected, but there is no shortage of Gypsum. I have collected Gypsum specimens from 5 or 6 localities in Oklahoma, and the habits are quite distinct. Years ago, I focused somewhat on building a suite of Gypsum from around the world since it was ubiquitous and relatively inexpensive. That suite now includes 83 Gypsum specimens from 52 different localities. It was fun building that suite, and I have used it several times for various programs and displays. Occasionally, I will come across a Gypsum specimen from a locality that is not represented in the collection, and I will add another piece to the suite.
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