Singel crystal masses, ofthan showing hexagonal cross section in polished samples.
Dark brown to yellowish, greasy luster
Quality of samples:
Poor for species, only of interest for locality collectors. (#)
Rarity at site:
Dunn,P.J., Peacor, D.R., Valley, J.W. and Randall, C.W. (1985): Ganomalite from Franklin, New Jersey, and Jakobsberg, Sweden: New Chemical and Crystallographic Data. Mineralogical Magazine. 49: 579-582; Kjell Gatedal