Arsenopyrite from
Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA

Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA
© 2011 Peter Cristofono

Description
Comments:	Crystals commonly show the forms m(110), q(011), e(101), k(021), t(013). "Certain crystals ...recently acquired by the Harvard Museum, are somewhat complex and show, in addition to the above, the forms: g(111), o(112), i(312), n(012), Φ(023), τ(031), x(321), B(514)." (Hitchen, 1935)
Habit:	massive and in crystals (see comments)
Colour:	gray
Quality of samples:	not specified / average specimens
Rarity at site:	Common
Confirmation
Validity:	Believed Valid
References
References:	Hitchen, C. S. (1935): The Pegmatites of Fitchburg, Massachusetts (American Mineralogist 20:1-24).
Data
Mineral Data:	Click here to view Arsenopyrite data
Locality Data:	Click here to view Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA
Photo Gallery	View Gallery (3 photos)

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