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John Jaszczak
Joined: 05 Oct 2010
Posts: 300
Location: Hancock, MI
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 Posted: Jul 16, 2013 09:42 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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Here are a few nice agates from the Keweenaw; examples of what make Lake Superior agates so special.
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Quartz (agate)
Keweenaw Point, Keweenaw Peninsula, Michigan
7.6 x 5.4 cm
Recovered from Lake Superior in July 2004. See article by Tom Rosemeyer in Rocks and Minerals 81 (2006) pp. 260-276. |
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Copper replacing Agate
Wolverine Mine, Houghton Co., Michigan
each half is thumbnail size
Collected June 2004. See the excellent article by Tom Rosemeyer about such agates in Rocks and Minerals 87 (2012) pp. 352-365. |
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John Jaszczak
Joined: 05 Oct 2010
Posts: 300
Location: Hancock, MI
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| Posted: Jul 18, 2013 08:30 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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Calcite crystals from the Lake Superior Copper District are wonderful- especially
when they contain copper inclusions. These specimens are stunning.
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Calcite twin with copper inclusion
Quincy Mine, Hancock, Houghton Co., Michigan
6x4x3.2 cm |
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Calcite with copper inclusions
Quincy Mine, Hancock, Houghton Co., Michigan
5x5x3.5 cm |
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John Jaszczak
Joined: 05 Oct 2010
Posts: 300
Location: Hancock, MI
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| Posted: Jul 19, 2013 12:00 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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The museum has over 1,000 specimens from the collection of Professor Arthur Edmund Seaman. This stephanite is one of the best specimens in his collection.
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Stephanite
Las Chispas Mine, Arizpe, Sonora, Mexico
7x6.8x6.7 cm |
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Tobi
Site Admin
Joined: 07 Apr 2009
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Location: Germany
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5028
Location: Barcelona
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John Jaszczak
Joined: 05 Oct 2010
Posts: 300
Location: Hancock, MI
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| Posted: Oct 14, 2013 06:02 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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Thank you Jordi.
I hope to post more photos as time permits.
Chris Stefano is now getting settled as the new associate curator; George Robinson and Gene LaBerge just published through the museum a new book on the iron minerals of the Lake Superior district. Good things are still happening.
_________________
Adjunct Curator, A. E. Seaman Mineral Museum
Professor of Physics
Michigan Technological University |
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John Jaszczak
Joined: 05 Oct 2010
Posts: 300
Location: Hancock, MI
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| Posted: Nov 09, 2013 21:10 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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Here is Dr. Christopher Stefano in front of a large sheet of native copper from the White Pine Mine, Ontonagon Co., MI at the entrance to the Schafner Hall, A. E. Seaman Mineral Museum.
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_________________
Adjunct Curator, A. E. Seaman Mineral Museum
Professor of Physics
Michigan Technological University |
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Peter
Joined: 16 Jan 2009
Posts: 346
Location: Sweden / Luxembourg
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| Posted: Nov 12, 2013 11:17 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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I fully agree with John White in his words of George and Sue Robinson!
Besides, I LOVE that Shigaite although image is not Scovil or Elliott quality!
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5028
Location: Barcelona
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| Posted: Nov 12, 2013 11:23 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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| John Jaszczak wrote: | | ...Chris Stefano is now getting settled as the new associate curator... |
And congratulations to Chris Stefano too! ;-)
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John Jaszczak
Joined: 05 Oct 2010
Posts: 300
Location: Hancock, MI
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| Posted: Nov 12, 2013 21:58 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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Peter- do you mean the specimen of shigaite with pink seamanite? I have some better close up images. The one posted was just to show some quick highlights of what you can see in the new exhibit case.
_________________
Adjunct Curator, A. E. Seaman Mineral Museum
Professor of Physics
Michigan Technological University |
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Peter
Joined: 16 Jan 2009
Posts: 346
Location: Sweden / Luxembourg
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| Posted: Nov 13, 2013 10:43 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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Dear John,
Yes, this is very interesting specimen!
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John Jaszczak
Joined: 05 Oct 2010
Posts: 300
Location: Hancock, MI
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5028
Location: Barcelona
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John Jaszczak
Joined: 05 Oct 2010
Posts: 300
Location: Hancock, MI
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| Posted: May 06, 2014 14:26 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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This lovely group of pyrite crystals has excellent luster. The specimen is from the Merelani tanzanite deposit, Tanzania. It was acquired by then curator George Robinson from Simon Harrison in 2013.
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Pyrite
Merelani Tanzanite deposit, Arusha Region, Tanzania
5.4 cm tall |
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_________________
Adjunct Curator, A. E. Seaman Mineral Museum
Professor of Physics
Michigan Technological University |
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NeedHelp
Joined: 30 Apr 2015
Posts: 8
Location: Michigan
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| Posted: May 01, 2015 00:24 Post subject: Re: A. E. Seaman Mineral Museum, Michigan Technological Univ., Houghton, Michigan |
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Cool topic, John.
Since you are probably the authority on the area, who better to ask (in a topic that hasn't been posted in in almost a year no less) what would be some good books on geology for the UP? Particularly the western UP. (Gogebic, Iron, Ontonagon, Houghton, Keweenaw counties: my home turf mostly)
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