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Mark J. Sigouin's Home Page

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Mr. Mark J. Sigouin, P.G.'s Mindat Home Page

Registered member since 16th Jul 2007

Mark J. Sigouin has uploaded:
40 Mineral Photos
10 Locality Photos
Welcome to my page. I am a Licensed Geologist in the Commonwealth of Pennsylvania. I practice hydrogeology and am employed by the Pennsylvania Department of Environmental Protection.

I collect minerals as a hobby and I am especially interested in ore minerals. When asked by a friend if I ever bring home any gems, my wife remarked, "No, just lots of black, heavy, ugly rocks." I can't help it, I just thrill at finding metal ores. Especially if I stumble upon them in the course of my day. Often, I find that I have happened upon an old mine from the 17 and 1800's. I enjoy identifying the mine, and reading any history about the location. Favorite mines are the Cornwall Mine of Lebanon County Pennsylvania, the Grace Mine of Berks County Pennsylvania, and the zinc mines at Sterling Hill and Franklin in New Jersey. I am also facinated by the mineral assemblage of the serpentine minerals of Southeastern Pennsylvania.

Photographing my finds are a real challenge as I do not currently possess the camera equipment necessary to detail the rock's and mineral's crystaline structure. I hope to be upgrading to better equipment soon.

I also play guitar and have played in bands for over 40 years. I play many styles of music, but mainly I like the forms where I get to improvise.

Thanks for taking the time to read this. Have a nice day.


Messaging Statistics

Total messages posted:54
New threads started:12
First message posted:27th Mar 2008
Latest message posted:8th Dec 2008

My Latest Discussions and Replies

Jul 2017Beginners "Budget" Mineral Photography SetupPosted by Peter Rhodes. 12 replies to an article.Nov 2015>1kilogram black tourmaline crumbles with bare fingersPosted by margo. 34 replies in Fakes & Frauds.Nov 2013Turquoise - How do you tell the difference between natural and powdered?Posted by David Weiss. 22 replies in Fakes & Frauds.Jun 2013Igneous and Metamorphic Mineral Assemblages, Morton Homestead, Prospect Park, PAPosted by Stephen Fritz. 2 replies to an article.May 2013Must see tv - ProspectorsPosted by Steven Kittleson. 32 replies in General.Apr 2013"Pyrite Disease"Posted by Robert Simonoff. 82 replies in Techniques for Collectors.Jul 2012How can I clean dirty wavellites?Posted by Robert Simonoff. 6 replies in Techniques for Collectors.Jun 2012Serpentine Mineral -- Any idea what this might be.Posted by Mark J. Sigouin. 12 replies in Identity Help.Jun 2012Please help ID - Thank youPosted by Claire Brimson. 7 replies in Identity Help.Jun 2012Magnetic rocks againPosted by Anonymous User. 92 replies in Identity Help.Apr 2012Pedigree of Specimens even if low classPosted by Mark J. Sigouin. 11 replies in General.Feb 2012Today's quiz: Arsenopyrite, lӧllingite or ? From ?Posted by Modris Baum. 25 replies in Photos.Feb 2012Pentlandite with a perfect partingPosted by Reiner Mielke. 7 replies in Identity Help.Jan 2012Franklin Rhodonite associate mineralPosted by Mark J. Sigouin. 7 replies in Identity Help.Jan 2012cleaning milleritePosted by Mark J. Sigouin. 3 replies in Techniques for Collectors.Dec 2011Collecting HazardsPosted by David Bernstein. 57 replies in Field Collecting.Jul 2011Help Save Rockhound State Park, New MexicoPosted by Michael Streeter. 35 replies in General.Jun 2011What have you collected heavily?Posted by Chuck Sloan. 41 replies in General.Jun 2011GoethitePosted by Mark J. Sigouin. 2 replies in Techniques for Collectors.Sep 2010Lebanon, PA showPosted by Logan Babcock (2). 3 replies in Mineral Shows.

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