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Graeserite, Calcite


Graeserite, Calcite

Photo Copyright © Sterling Hill Mining Museum, Ogdensburg, NJ  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Passaic Pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
The world's largest Graeserite crystal and the one and only specimen of this species from the Franklin District (Ref.: Verbeek, E. et al (2006) Mineral News: 22(9): 8-9). The Crystal is black, lustrous, and tabular. It is 3.8 x 3.7 x 0.3 cm in size and is in a matrix of calcite, some of which is salmon-orange in colour. Associated species include black tourmaline group material. Photo by Earl Verbeek, Resident Geologist, SHMM. Thank you SHMM!!

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Photo added: 3rd Aug 2007



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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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