unknown specimen from Randolph township NJ

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Rock that when broken resembles a breccia of black mineral. Perhaps Hornblende or other pyroxene/amphibole. The gray mineral in between the black fluoresces a weak green in short wave weak to moderate with red specks.

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Photo added: 8th Nov 2008

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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.
Current server date and time: 16th Feb 2012 00:25:38