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John Sobolewski's mindat.org Home Page

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About John Sobolewski

Registered member, joined prior to 15th Oct 2005

John Sobolewski has uploaded:
4538 Mineral Photos
22 Locality Photos
John does not yet have a home page article.

Messaging Statistics

Total messages posted:420
New threads started:86
First message posted:27th Mar 2006
Latest message posted:4th Dec 2019

My Latest Discussions and Replies

3dBart Cannon (1950-2019)Posted by Rob Woodside. 37 replies in General.3wBornite coated pyrite Milpillas MinePosted by Ben Grguric. 31 replies in Identity Help.4wAnd the winner is ........ Jolyon Ralph!Posted by Roy Starkey. 37 replies in General.6wmystery mineral in rodochrositePosted by Dan Owens. 10 replies in Identity Help.7wLight Sensitive Mineral ListPosted by Peter Hargis. 144 replies in Field Collecting.7wWulfenite possible location required pls.Posted by Greg Dainty. 12 replies in Identity Help.7wAN OVERVIEW OF MINERALS TOXICITYPosted by cascaillou. 20 replies in Education.13wWrong localityPosted by Dana Slaughter. One reply in Photos.Sep 2019acicular unknown from IndiaPosted by Antonio Nazario. 3 replies in Identity Help.Sep 2019Zincite...That must have been one HUGE Smokestack in Poland!Posted by Justin Zzyzx. 64 replies in Fakes & Frauds.Jul 2019Helvite from Jinlong Hill, ChinaPosted by John Sobolewski. 19 replies in Techniques for Collectors.Jun 2019Green mineralPosted by Kimberly Strawbridge. 6 replies in Identity Help.Jun 2019Yellow and brown staining after oxalic acid bathPosted by Jamal Wilson. 21 replies in Techniques for Collectors.May 2019Best museum collections?Posted by Jenna Mast. 44 replies in General.Jan 2019Travelling in Morocco - suggestions for buying locally?Posted by Jeff Bannow. 7 replies in General.Dec 2018Rhodonite - is the sample from Franklin Mining District?Posted by Pavel Kartashov. 10 replies in General.Dec 2018Black Fuzzy Mineral - Pyrolusite? Locality?Posted by Ian Whitlock. 18 replies in Identity Help.Nov 2018The 39th Annual New Mexico Mineral SymposiumPosted by Erin Delventhal. 14 replies to an article.Oct 2018Unknown fibrous / acicular mineralPosted by Craig Howard. 11 replies in Identity Help.Sep 2018Misidentified specimenPosted by John Sobolewski. One reply in Improving Mindat.org.

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