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Ko Jansen's mindat.org Home Page

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About Ko Jansen

Registered member since 13th Jan 2010

Ko Jansen has uploaded:
5387 Mineral Photos
2 Locality Photos
10 Other Photos
 
Ko does not yet have a home page article.

Messaging Statistics

Total messages posted:156
New threads started:80
First message posted:5th Dec 2013
Latest message posted:29th Mar 2020

My Latest Discussions and Replies

Oct 2019Gasparite-(Ce) - Mt. Cervandone area, Devero Alp, Baceno, Devero Valley, Antigorio Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, ItalyPosted by Ko Jansen. 2 replies in Photos.Sep 2019My Page and My Photos numbers indication , how to explain?Posted by Ko Jansen in General.Aug 2019Photo with remark " No Title " in projected surface.Posted by Ko Jansen. One reply in Photos.Aug 2019photo id 984387Posted by Ko Jansen. One reply in General.Jan 2019Photo Plattnerite with ID 932511Posted by Ko Jansen in General.Jul 2018Tetrahedrite - La Sanguinéde mine, Les Malines District, Saint-Laurent-le-Minier, Gard, Occitanie, FrancePosted by Ko Jansen. One reply in Photos.Jul 2018Sulphur - La Sanguinéde mine, Les Malines District, Saint-Laurent-le-Minier, Gard, Occitanie, FrancePosted by Ko Jansen. One reply in Photos.Apr 2018Aurichalcite material out Hilarion mine 50 , may 1997 David NietoPosted by Ko Jansen. 2 replies in Techniques for Collectors.Mar 2018Missing, Mineral and photo icons in Ochsenhütte listPosted by Ko Jansen. One reply in Improving Mindat.org.Mar 2018missing mineral and photo icons Ochsenhütte Goslar HartzPosted by Ko Jansen. One reply in Improving Mindat.org.Feb 2018Perite - Passa Limani Cove slag locality, Passa Limani area, Lavrion District slag localities, Lavrion District, Attikí Prefecture, GreecePosted by Ko Jansen. 2 replies in Photos.Nov 2017Acanthite - Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, GermanyPosted by Ko Jansen. 4 replies in Photos.Oct 2017Hopeite crystals "Sitio do Castelo mine "Folgosinho Port.Posted by Ko Jansen. 3 replies in Identity Help.Sep 2017Tungstibite ClsaraPosted by Ko Jansen. 4 replies in Improving Mindat.org.Sep 2017Photo indication after approval "Public Galleries "Posted by Ko Jansen. 3 replies in Improving Mindat.org.Sep 2017Photo icon not activated after approval Photo.Posted by Ko Jansen. 9 replies in Improving Mindat.org.Jul 2017Gaspéite - Km-3 Mine, Lavrion, Lavrion District Mines, Lavrion District, Attikí Prefecture, GreecePosted by Ko Jansen. 4 replies in Photos.Jun 2017On a certain moment all my Photo's lost the indication CopyrightPosted by Ko Jansen. 2 replies in General.Jun 2017Billietite - Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, GermanyPosted by Ko Jansen. 2 replies in Photos.Dec 2016Duftite - Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, GermanyPosted by Ko Jansen. 2 replies in Photos.

 
 
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